Instructables: exploring - technology - electronics - popular http://www.instructables.com Mon, 25 Sep 2017 14:21:40 PDT BLOX v1.01 12V NE555 PWM Controller Under $3 http://www.instructables.com/id/12V-NE555-PWM-Controller/
12V NE555 PWM Controller Under $3 - More DIY How To Projects]]> https://cdn.instructables.com/FNJ/QD2W/ISCAQLS4/FNJQD2WISCAQLS4.SQUARE2.jpg https://cdn.instructables.com/FNJ/QD2W/ISCAQLS4/FNJQD2WISCAQLS4.SQUARE.jpg https://cdn.instructables.com/FNJ/QD2W/ISCAQLS4/FNJQD2WISCAQLS4.SMALL.jpg baelza.bubba While making my mini table saw I bought a 12 V motor speed controller module from eBay. Fair enough, I thought ... that was an easier and straight forward solution. But then I decided to make my own.I did some hunting around on the interweb and found a pretty good starting point in Circuits Today, b...
By: baelza.bubba

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Sat, 27 Aug 2016 00:33:05 PDT
LEAD ACID BATTERY CHARGER http://www.instructables.com/id/LEAD-ACID-BATTERY-CHARGER/
LEAD ACID BATTERY CHARGER - More DIY How To Projects]]> https://cdn.instructables.com/FN8/45KJ/ILV81509/FN845KJILV81509.SQUARE2.jpg https://cdn.instructables.com/FN8/45KJ/ILV81509/FN845KJILV81509.SQUARE.jpg https://cdn.instructables.com/FN8/45KJ/ILV81509/FN845KJILV81509.SMALL.jpg gsantony LEAD ACID BATTERY CHARGERThis circuit be lead acid battery charger again interesting instructable, Because it can charger get both of 12V sizes and 6V. By change with switch only and this circuit charging with current about 1Amp. When see the circuit you will think us uses integrated number highly...
By: gsantony

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Thu, 17 Mar 2016 03:38:40 PDT
how to make a battery heated clothing http://www.instructables.com/id/how-to-make-a-battery-heated-clothing/
how to make a battery heated clothing - More DIY How To Projects]]> https://cdn.instructables.com/F6M/ZMMH/GZKG3QCQ/F6MZMMHGZKG3QCQ.SQUARE2.jpg https://cdn.instructables.com/F6M/ZMMH/GZKG3QCQ/F6MZMMHGZKG3QCQ.SQUARE.jpg https://cdn.instructables.com/F6M/ZMMH/GZKG3QCQ/F6MZMMHGZKG3QCQ.SMALL.jpg cathy36952 it is very cold in winter, so if we can make a battery heated clothing. the winter would not cold again. firstly , you need to prepare a heated pad, for the heated pad you can buy from the market, and than you can sew the heated pad to your jacket or vest. and than you need to buy a battery box. w...
By: cathy36952

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Thu, 8 Mar 2012 20:29:44 PST
Password Based Circuit Breaker http://www.instructables.com/id/Password-Based-Circuit-Breaker/
Password Based Circuit Breaker - More DIY How To Projects]]> https://cdn.instructables.com/FZM/WD5E/IIHRK43S/FZMWD5EIIHRK43S.SQUARE2.jpg https://cdn.instructables.com/FZM/WD5E/IIHRK43S/FZMWD5EIIHRK43S.SQUARE.jpg https://cdn.instructables.com/FZM/WD5E/IIHRK43S/FZMWD5EIIHRK43S.SMALL.jpg Rai Usman A circuit breaker isan automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike a fuse, which operates once and then must be replaced, a cir...
By: Rai Usman

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Wed, 23 Dec 2015 05:34:50 PST
How to Make 1.5V DC to 220V AC Inverter http://www.instructables.com/id/How-to-Make-15V-DC-to-220V-AC-Inverter/
How to Make 1.5V DC to 220V AC Inverter - More DIY How To Projects]]> https://cdn.instructables.com/F9K/PVCR/J3OPPFBG/F9KPVCRJ3OPPFBG.SQUARE2.jpg https://cdn.instructables.com/F9K/PVCR/J3OPPFBG/F9KPVCRJ3OPPFBG.SQUARE.jpg https://cdn.instructables.com/F9K/PVCR/J3OPPFBG/F9KPVCRJ3OPPFBG.SMALL.jpg JunezRiyaz Hello guys, In this Instructable I will instruct you to make your own 1.5v DC to 220v AC inverter with less number of components.Before going to start don't forget to vote this Instructable .Subscribe my youtube channel SubscribeInverters are often needed at places where it is not possible to get A...
By: JunezRiyaz

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Fri, 9 Jun 2017 05:22:20 PDT
12vDC to 220vAC 100watts inverter http://www.instructables.com/id/12vDC-to-220vAC-100watts-inverter/
12vDC to 220vAC 100watts inverter - More DIY How To Projects]]> https://cdn.instructables.com/F4V/TNE4/FU6LZOQE/F4VTNE4FU6LZOQE.SQUARE2.jpg https://cdn.instructables.com/F4V/TNE4/FU6LZOQE/F4VTNE4FU6LZOQE.SQUARE.jpg https://cdn.instructables.com/F4V/TNE4/FU6LZOQE/F4VTNE4FU6LZOQE.SMALL.gif Nick_Zouein Quick & Dirty all purpose DC to AC inverter --To see the original large image click on the [i] located on the upper left corner of each pic, once it opens click on the link :  [original file: (2040x1540) 50 KB] that is located underneath the pic. This will open the original big file.
By: Nick_Zouein

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Sat, 2 May 2009 14:00:48 PDT
Turn Your Entire Phone into a Touchscreen http://www.instructables.com/id/Turn-Your-Entire-Phone-into-a-Touchscreen/
Turn Your Entire Phone into a Touchscreen - More DIY How To Projects]]> https://cdn.instructables.com/FYT/SMVS/IDYPD6GI/FYTSMVSIDYPD6GI.SQUARE2.jpg https://cdn.instructables.com/FYT/SMVS/IDYPD6GI/FYTSMVSIDYPD6GI.SQUARE.jpg https://cdn.instructables.com/FYT/SMVS/IDYPD6GI/FYTSMVSIDYPD6GI.SMALL.jpg nodcah Through avid use of my smartphone, I found that while playing some games my hands were positioned awkwardly, making it challenging to reach some of the controls. I figured most of the phone's blank space could be put to use, so I came up with an idea: make a tape that transfers your touch to a diffe...
By: nodcah

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Sun, 30 Aug 2015 20:08:27 PDT
Internet Enabled Fridge: A First Foray into Internet of Things http://www.instructables.com/id/Internet-Enabled-Fridge-A-First-Foray-into-Interne/
Internet Enabled Fridge: A First Foray into Internet of Things - More DIY How To Projects]]> https://cdn.instructables.com/FCK/9PCW/IDLI1VKP/FCK9PCWIDLI1VKP.SQUARE2.jpg https://cdn.instructables.com/FCK/9PCW/IDLI1VKP/FCK9PCWIDLI1VKP.SQUARE.jpg https://cdn.instructables.com/FCK/9PCW/IDLI1VKP/FCK9PCWIDLI1VKP.SMALL.jpg pjensen Hello Everybody! I had an issue with the freezer in our house. Once in a while, the freezer would fail to close fully, either bouncing open or getting slightly propped open. This small gap was enough of a gap to allow hot, moist air inside of the freezer. The water would condense on the evaporator c...
By: pjensen

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Fri, 21 Aug 2015 10:34:06 PDT
MIDI-Controlled 88 Key Reed Organ With MIDI-Over-Bluetooth http://www.instructables.com/id/MIDI-Controlled-88-Key-Reed-Organ/
MIDI-Controlled 88 Key Reed Organ With MIDI-Over-Bluetooth - More DIY How To Projects]]> https://cdn.instructables.com/FST/AU32/J7AQT4GF/FSTAU32J7AQT4GF.SQUARE2.jpg https://cdn.instructables.com/FST/AU32/J7AQT4GF/FSTAU32J7AQT4GF.SQUARE.jpg https://cdn.instructables.com/FST/AU32/J7AQT4GF/FSTAU32J7AQT4GF.SMALL.jpg Hillier Productions First off, here's a playlist of videos of it in action. Have a song or MIDI file you want to see in that playlist? Suggest a song or upload your own MIDI file here: http://bit.ly/2wR3QUE---------------------------For my high-school senior project, I was going to convert an upright piano to be a MIDI...
By: Hillier Productions

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Sat, 9 Sep 2017 09:36:18 PDT
Stepper Motor Basics - 5 Wires Unipolar / Bipolar Motor http://www.instructables.com/id/Stepper-Motor-Basics-5-Wires-Unipolar-Bipolar-Moto/
Stepper Motor Basics - 5 Wires Unipolar / Bipolar Motor - More DIY How To Projects]]> https://cdn.instructables.com/FZ6/RFM7/IFMRO0E5/FZ6RFM7IFMRO0E5.SQUARE2.jpg https://cdn.instructables.com/FZ6/RFM7/IFMRO0E5/FZ6RFM7IFMRO0E5.SQUARE.jpg https://cdn.instructables.com/FZ6/RFM7/IFMRO0E5/FZ6RFM7IFMRO0E5.SMALL.jpg Chein STEPPER MOTOR BASICS - 5 WIRES UNIPOLAR / BIPOLAR MOTOR example.The basics on how stepper motor, stepper controller, and stepper driver work.NOTE: There are slight differences on how the different variant of stepper motors work (i.e. the 4 wires, 5 wires and 6 wires stepper motors). So do check out ...
By: Chein

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Mon, 12 Oct 2015 08:07:39 PDT
Tales From the Chip: LM386 Audio Amplifier http://www.instructables.com/id/Tales-From-the-Chip-LM386-Audio-Amplifier/
Tales From the Chip: LM386 Audio Amplifier - More DIY How To Projects]]> https://cdn.instructables.com/FLP/2IK2/J7GGQQF3/FLP2IK2J7GGQQF3.SQUARE2.jpg https://cdn.instructables.com/FLP/2IK2/J7GGQQF3/FLP2IK2J7GGQQF3.SQUARE.jpg https://cdn.instructables.com/FLP/2IK2/J7GGQQF3/FLP2IK2J7GGQQF3.SMALL.jpg abzza Audio is one of the most entertaining, time-consuming and (eventually) wallet-draining ways of learning about and falling in love with electronics. Reproducing, recording and amplifying audio gets you up close and personal with the electrons rocketing through your circuits.Which brings us to what is...
By: abzza

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Wed, 13 Sep 2017 08:52:12 PDT
HackerBoxes 0018: Circuit Circus http://www.instructables.com/id/HackerBoxes-0018-Circuit-Circus/
HackerBoxes 0018: Circuit Circus - More DIY How To Projects]]> https://cdn.instructables.com/FG0/L1O3/J20P28WX/FG0L1O3J20P28WX.SQUARE2.jpg https://cdn.instructables.com/FG0/L1O3/J20P28WX/FG0L1O3J20P28WX.SQUARE.jpg https://cdn.instructables.com/FG0/L1O3/J20P28WX/FG0L1O3J20P28WX.SMALL.jpg HackerBoxes Circuit Circus: This month, HackerBox Hackers are working with analog electronic circuits as well as techniques for circuit test and measurement. This Instructable contains information for working with HackerBoxes #0018. If you would like to receive a box like this rig...
By: HackerBoxes

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Thu, 27 Apr 2017 13:37:17 PDT
Introduction to the 555 timer http://www.instructables.com/id/Introduction-to-the-555-timer/
Introduction to the 555 timer - More DIY How To Projects]]> https://cdn.instructables.com/FDU/19AS/IFK0ZELS/FDU19ASIFK0ZELS.SQUARE2.jpg https://cdn.instructables.com/FDU/19AS/IFK0ZELS/FDU19ASIFK0ZELS.SQUARE.jpg https://cdn.instructables.com/FDU/19AS/IFK0ZELS/FDU19ASIFK0ZELS.SMALL.jpg JRV31 This instructable is the first step in my learning to use the 555 timer chip. It alternately blinks two LEDs, and you can change the frequency by changing either the resistance or the capacitance. The 555 is not programmable like an Arduino or an ATtiny. You have to change the values of the capacito...
By: JRV31

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Sat, 10 Oct 2015 07:14:48 PDT
Modular UV LED Exposure Unit http://www.instructables.com/id/Modular-UV-LED-Exposure-Unit/
Modular UV LED Exposure Unit - More DIY How To Projects]]> https://cdn.instructables.com/F39/D1ZB/J0COND0H/F39D1ZBJ0COND0H.SQUARE2.jpg https://cdn.instructables.com/F39/D1ZB/J0COND0H/F39D1ZBJ0COND0H.SQUARE.jpg https://cdn.instructables.com/F39/D1ZB/J0COND0H/F39D1ZBJ0COND0H.SMALL.jpg DIY Circuits In this instructable I will show you how I made a simple and expandable UV LED exposure unit. Exposure unit is a necessity for anyone who wants to make PCBs with the Photographic method. It will allow you to make high quality PCBs in no time. This is project is a great for beginners because of it's ...
By: DIY Circuits

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Sat, 18 Mar 2017 01:11:53 PDT
How to hack an Electric Hoist (AC motor) http://www.instructables.com/id/How-to-hack-an-Electric-Hoist-AC-motor/
How to hack an Electric Hoist (AC motor) - More DIY How To Projects]]> https://cdn.instructables.com/FP9/2DJ5/HCB8KDC9/FP92DJ5HCB8KDC9.SQUARE2.jpg https://cdn.instructables.com/FP9/2DJ5/HCB8KDC9/FP92DJ5HCB8KDC9.SQUARE.jpg https://cdn.instructables.com/FP9/2DJ5/HCB8KDC9/FP92DJ5HCB8KDC9.SMALL.jpg ameliechucky For this project we were hired to do a small hacking for a trade show. I worked on this with Molmol Kuo. Special thanks to Eric Rosenthal for the consultancy with the electronics and Zach for the support with the code.The Electric Hoist that we’re giving has a built-in motor controller, a capacitor,...
By: ameliechucky

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Thu, 24 Jan 2013 16:44:52 PST
Paper Clip Universal Phone Battery Charger http://www.instructables.com/id/Paper-Clip-Universal-Phone-Battery-Charger/
Paper Clip Universal Phone Battery Charger - More DIY How To Projects]]> https://cdn.instructables.com/FMR/GC59/HZ3YADY6/FMRGC59HZ3YADY6.SQUARE2.jpg https://cdn.instructables.com/FMR/GC59/HZ3YADY6/FMRGC59HZ3YADY6.SQUARE.jpg https://cdn.instructables.com/FMR/GC59/HZ3YADY6/FMRGC59HZ3YADY6.SMALL.jpg dNjeL Big thanks to the creator of this video ... I did my own version of this ^_^ ... So Let's start ! Materials 1. Cutter2.Paper Clip3-4. USB Travel Charger and USB Cable Preparing Usb Cable 1. Cut the one end of USB cable (as shown in the picture)2. Peel the cover of USB Cable 2-3 inch (RECOMMEND...
By: dNjeL

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Thu, 21 Aug 2014 02:33:48 PDT
GSM Based Fire Alarm System http://www.instructables.com/id/GSM-Based-Fire-Alarm-System/
GSM Based Fire Alarm System - More DIY How To Projects]]> https://cdn.instructables.com/FYG/QWC5/IANSIDNX/FYGQWC5IANSIDNX.SQUARE2.jpg https://cdn.instructables.com/FYG/QWC5/IANSIDNX/FYGQWC5IANSIDNX.SQUARE.jpg https://cdn.instructables.com/FYG/QWC5/IANSIDNX/FYGQWC5IANSIDNX.SMALL.jpg Komal Manoj Thakur GSM, Microcontroller Based Fire detection and SMS Alert system, it uses LM35 Temperature Sensor and MQ2 for Smoke sensing and 16x2 LCD is used to display temperature and Smoke Level, Over limit set points are set inside the program you can modify it as per your requirements, It Sends SMS when set li...
By: Komal Manoj Thakur

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Mon, 8 Jun 2015 10:18:23 PDT
Stub Tuning a CB Big Stick Antenna for 10 Meters - Ham Radio http://www.instructables.com/id/Stub-Tuning-a-CB-Big-Stick-Antenna-for-10-Meters-/
Stub Tuning a CB Big Stick Antenna for 10 Meters - Ham Radio - More DIY How To Projects]]> https://cdn.instructables.com/FRZ/UZ9H/H0A0LBA9/FRZUZ9HH0A0LBA9.SQUARE2.jpg https://cdn.instructables.com/FRZ/UZ9H/H0A0LBA9/FRZUZ9HH0A0LBA9.SQUARE.jpg https://cdn.instructables.com/FRZ/UZ9H/H0A0LBA9/FRZUZ9HH0A0LBA9.SMALL.jpg RangerJ Many long years ago, when I was just a pup, I purchased a Shakespeare 'Big Stick' CB antenna. You've seen them – they look like an eighteen foot long, white fiberglass fishing rod. Because of its long, skinny design, the antenna would fit anywhere, on the chimney, up a mast, or shoved among the br...
By: RangerJ

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Mon, 26 Mar 2012 17:42:12 PDT
Human Body Induction Alarm Based on Arduino with Arduino UNO, Infrared Sensor Module,Buzzer Module http://www.instructables.com/id/Human-Body-Induction-Alarm-Based-on-Arduino-with-A/
Human Body Induction Alarm Based on Arduino with Arduino UNO, Infrared Sensor Module,Buzzer Module - More DIY How To Projects]]> https://cdn.instructables.com/FKU/DQ0G/HU1RPXM2/FKUDQ0GHU1RPXM2.SQUARE2.jpg https://cdn.instructables.com/FKU/DQ0G/HU1RPXM2/FKUDQ0GHU1RPXM2.SQUARE.jpg https://cdn.instructables.com/FKU/DQ0G/HU1RPXM2/FKUDQ0GHU1RPXM2.SMALL.jpg ICStation ICStation team of research and development department have made this project about the human body induction alarm .It uses DC5V voltage to work. When someone is appearing in the inducing area of infrared sensor and the whole system will use both sound and light to alarm. The inducing distance is 7m....
By: ICStation

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Wed, 16 Apr 2014 01:38:12 PDT
Water Level Sensor http://www.instructables.com/id/Water-Level-Sensor/
Water Level Sensor - More DIY How To Projects]]> https://cdn.instructables.com/FE6/6CFR/GRTHSWSH/FE66CFRGRTHSWSH.SQUARE2.jpg https://cdn.instructables.com/FE6/6CFR/GRTHSWSH/FE66CFRGRTHSWSH.SQUARE.jpg https://cdn.instructables.com/FE6/6CFR/GRTHSWSH/FE66CFRGRTHSWSH.SMALL.jpg aessam1 The water cuts off sometimes where i live so we have a tank on the roof but sometimes the water cuts off for a long time and we use water but we don't know that it's from the tank and each time the water cuts off i have to get on the roof and  remove tank cover to know how much water left so i made ...
By: aessam1

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Sun, 28 Aug 2011 05:15:36 PDT
Playing with Voltage Regulators http://www.instructables.com/id/Playing-with-Voltage-Regulators/
Playing with Voltage Regulators - More DIY How To Projects]]> https://cdn.instructables.com/FUQ/VCFC/GZ0MME9L/FUQVCFCGZ0MME9L.SQUARE2.jpg https://cdn.instructables.com/FUQ/VCFC/GZ0MME9L/FUQVCFCGZ0MME9L.SQUARE.jpg https://cdn.instructables.com/FUQ/VCFC/GZ0MME9L/FUQVCFCGZ0MME9L.SMALL.jpg Geek07Boy Anyone that has played with these little workhorses of our world and wondered how they work, read on. The standard three terminal regulators like the 7805(5v) are what most people see and use without thinking too much about them. All voltage regulators work about the same. They find a reference volt...
By: Geek07Boy

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Tue, 28 Feb 2012 11:54:07 PST
Computer Control Box http://www.instructables.com/id/Computer-Control-Box/
Computer Control Box - More DIY How To Projects]]> https://cdn.instructables.com/FFT/R8NB/J7AQWDC4/FFTR8NBJ7AQWDC4.SQUARE2.jpg https://cdn.instructables.com/FFT/R8NB/J7AQWDC4/FFTR8NBJ7AQWDC4.SQUARE.jpg https://cdn.instructables.com/FFT/R8NB/J7AQWDC4/FFTR8NBJ7AQWDC4.SMALL.jpg Joebarteam Hello everybody !I made this box to "improve" my computer, with it you can switch the internet connection, audio output and microphone input. You can also turn on and off each fans of your computer case and control their speed even if they are not PWM-ready ! But that's not all !(PS: I'm french, I h...
By: Joebarteam

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Fri, 8 Sep 2017 12:05:43 PDT
How to Make a Professional Printed Circuit Board: the Complete Guide http://www.instructables.com/id/How-to-Make-a-Professional-Printed-Circuit-Board-t/
How to Make a Professional Printed Circuit Board: the Complete Guide - More DIY How To Projects]]> https://cdn.instructables.com/FIH/VF1R/J7AQSTCJ/FIHVF1RJ7AQSTCJ.SQUARE2.jpg https://cdn.instructables.com/FIH/VF1R/J7AQSTCJ/FIHVF1RJ7AQSTCJ.SQUARE.jpg https://cdn.instructables.com/FIH/VF1R/J7AQSTCJ/FIHVF1RJ7AQSTCJ.SMALL.jpg Joebarteam Hello everybody, today I will show you how to make professional PCB, to improve your electronic projects. Let's start ! What You Need to Buy Exposure boxPresensibilized epoxyTin solution (optional but recommended)NaOH (sodium hydroxide)FeCl3Acetone (you can find it in a supermarket)( Here is the ...
By: Joebarteam

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Fri, 8 Sep 2017 09:38:35 PDT
ATX Workbench Power Supply Project http://www.instructables.com/id/ATX-Workbench-Power-Supply-Project/
ATX Workbench Power Supply Project - More DIY How To Projects]]> https://cdn.instructables.com/FOV/A9Z6/IW6PQSVZ/FOVA9Z6IW6PQSVZ.SQUARE2.jpg https://cdn.instructables.com/FOV/A9Z6/IW6PQSVZ/FOVA9Z6IW6PQSVZ.SQUARE.jpg https://cdn.instructables.com/FOV/A9Z6/IW6PQSVZ/FOVA9Z6IW6PQSVZ.SMALL.jpg JeffM15 This instructable will show you how to make a professional looking bench power supply. A power supply that is fuse linked. A power supply that if and when the ATX power supply goes bad you can just unplug and replace it. Parts Needed Parts NeededPart Number Links Mouser576-03453LF1H530-111-0103-1...
By: JeffM15

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Mon, 5 Dec 2016 03:38:32 PST
Taking Apart A Microwave http://www.instructables.com/id/Taking-Apart-A-Microwave/
Taking Apart A Microwave - More DIY How To Projects]]> https://cdn.instructables.com/FHG/2ZL6/GKS0SM44/FHG2ZL6GKS0SM44.SQUARE2.jpg https://cdn.instructables.com/FHG/2ZL6/GKS0SM44/FHG2ZL6GKS0SM44.SQUARE.jpg https://cdn.instructables.com/FHG/2ZL6/GKS0SM44/FHG2ZL6GKS0SM44.SMALL.jpg dog digger Taking apart a microwave. Fairly simple. Fairly dangerous if you just plugged it in to "See if it works" and then start taking it apart.  it's also worth the very little effort. I've taken one apart to show you what you get. PS: I'm only thirteen so don't be too critical Things you should know ...
By: dog digger

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Wed, 9 Mar 2011 04:21:02 PST
Compact Component Storage System http://www.instructables.com/id/Compact-Component-Storage-System/
Compact Component Storage System - More DIY How To Projects]]> https://cdn.instructables.com/FNF/05TQ/IDK2M5D0/FNF05TQIDK2M5D0.SQUARE2.jpg https://cdn.instructables.com/FNF/05TQ/IDK2M5D0/FNF05TQIDK2M5D0.SQUARE.jpg https://cdn.instructables.com/FNF/05TQ/IDK2M5D0/FNF05TQIDK2M5D0.SMALL.jpg Pjtheman For a long time, I had a large amount of storage space and went along happily with the idea that the ideal way to store components was in a tray system.Unfortunately these tent to not only take up a large amount of space, they are cumbersome and unattractive to look at. A lot of space is wasted with...
By: Pjtheman

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Thu, 20 Aug 2015 14:24:51 PDT
DIY Solid State Relay http://www.instructables.com/id/DIY-Solid-State-Relay-1/
DIY Solid State Relay - More DIY How To Projects]]> https://cdn.instructables.com/FEN/3R58/IQ6WUTVS/FEN3R58IQ6WUTVS.SQUARE2.jpg https://cdn.instructables.com/FEN/3R58/IQ6WUTVS/FEN3R58IQ6WUTVS.SQUARE.jpg https://cdn.instructables.com/FEN/3R58/IQ6WUTVS/FEN3R58IQ6WUTVS.SMALL.jpg Tanishq Jaiswal Ever wanted to get rid of that tic-tac sound electromagnetic relays make? Electromagnetic relays require significant power to turn the electromagnet on/off and need a driver circuit for that, oh! wait! also they need a flyback diode to avoid the risk of inductive spiking which may not be suitable fo...
By: Tanishq Jaiswal

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Mon, 4 Jul 2016 04:43:19 PDT
Capacitor charger (60-400V) http://www.instructables.com/id/Capacitor-charger-60-400V/
Capacitor charger (60-400V) - More DIY How To Projects]]> https://cdn.instructables.com/F3E/CH3E/I60075KW/F3ECH3EI60075KW.SQUARE2.jpg https://cdn.instructables.com/F3E/CH3E/I60075KW/F3ECH3EI60075KW.SQUARE.jpg https://cdn.instructables.com/F3E/CH3E/I60075KW/F3ECH3EI60075KW.SMALL.jpg Victor805 This is intended to be a short instructable on how to build a capacitor charger since I'll be quite busy until I finish my classes, it might not have as many images as I would like to, but after getting some requests I've decided to take a pair of hours to make it. First of all, this instructable p...
By: Victor805

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Thu, 12 Feb 2015 16:30:48 PST
1-wire communication interface http://www.instructables.com/id/1-wire-communication-interface/
1-wire communication interface - More DIY How To Projects]]> https://cdn.instructables.com/FBR/ANFG/G8B8VUFO/FBRANFGG8B8VUFO.SQUARE2.jpg https://cdn.instructables.com/FBR/ANFG/G8B8VUFO/FBRANFGG8B8VUFO.SQUARE.jpg https://cdn.instructables.com/FBR/ANFG/G8B8VUFO/FBRANFGG8B8VUFO.SMALL.jpg dpenezic What is 1-Wire technology ? The basis of 1-Wire technology is a serial protocol using a single data line plus ground reference for communication. A 1-Wire master initiates and controls the communication with one or more 1-Wire slave devices on the 1-Wire bus. Each 1-Wire slave device has a unique, ...
By: dpenezic

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Wed, 28 Apr 2010 02:08:15 PDT
DIY Variable Power Supply With Adjustable Voltage and Current http://www.instructables.com/id/DIY-Variable-Power-Supply-With-Adjustable-Voltage-/
DIY Variable Power Supply With Adjustable Voltage and Current - More DIY How To Projects]]> https://cdn.instructables.com/FDC/G2R2/J70QPZVS/FDCG2R2J70QPZVS.SQUARE2.jpg https://cdn.instructables.com/FDC/G2R2/J70QPZVS/FDCG2R2J70QPZVS.SQUARE.jpg https://cdn.instructables.com/FDC/G2R2/J70QPZVS/FDCG2R2J70QPZVS.SMALL.jpg Surajit Majumdar Hey Guyz, This time I'm making a variable bench power supply.This is the most useful equipment for a hobbyist and DIY maker cause while making or testing circuits, it needs different values of voltage and current. That's why every DIY maker must have their own bench power supply. Now I'm going to sh...
By: Surajit Majumdar

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Fri, 1 Sep 2017 04:43:01 PDT
Electromagnetic Field (EMF) Detector with LM358 http://www.instructables.com/id/Electromagnetic-Field-EMF-Detector-With-LM358/
Electromagnetic Field (EMF) Detector with LM358 - More DIY How To Projects]]> https://cdn.instructables.com/FB0/7PT0/IQJGAXUA/FB07PT0IQJGAXUA.SQUARE2.jpg https://cdn.instructables.com/FB0/7PT0/IQJGAXUA/FB07PT0IQJGAXUA.SQUARE.jpg https://cdn.instructables.com/FB0/7PT0/IQJGAXUA/FB07PT0IQJGAXUA.SMALL.jpg DIY Circuits In this instructable I will show you how to make an Electromagnetic Field (EMF) detector with dual operational amplifier and 2 inductors.With this device you can hear for example your TV or phone working.The circuit is relatively simple. For me the hardest part was drilling the enclosure. Parts Li...
By: DIY Circuits

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Tue, 12 Jul 2016 07:47:39 PDT
RGB music controller with AGC http://www.instructables.com/id/RGB-music-controller-with-AGC/
RGB music controller with AGC - More DIY How To Projects]]> https://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SQUARE2.jpg https://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SQUARE.jpg https://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SMALL.jpg KristianF1 Here i will show you how to create a RGB music controller, which lights RGB leds to music. I also added an AGC(Automatic gain control), which keeps the voltage at the same level. This is very useful, because you often play music at different volumes, and without the AGC, the leds will be very bright...
By: KristianF1

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Thu, 21 May 2015 05:09:30 PDT
Make Your Own POV LED Globe http://www.instructables.com/id/Make-Your-Own-POV-LED-Globe/
Make Your Own POV LED Globe - More DIY How To Projects]]> https://cdn.instructables.com/F2N/6G0H/J6QQYY4Q/F2N6G0HJ6QQYY4Q.SQUARE2.jpg https://cdn.instructables.com/F2N/6G0H/J6QQYY4Q/F2N6G0HJ6QQYY4Q.SQUARE.jpg https://cdn.instructables.com/F2N/6G0H/J6QQYY4Q/F2N6G0HJ6QQYY4Q.SMALL.jpg GreatScottLab In this project I will show you how I combined a couple steel pieces with an Arduino, an APA102 LED Strip and a Hall effect sensor in order to create a POV (persistence of vision) RGB LED Globe. WIth it you can create all kinds of spherical pictures or even letters which is a definite eyecatcher. Le...
By: GreatScottLab

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Sun, 27 Aug 2017 07:51:21 PDT
PIR Motion Sensor Security Circuit - Duration Adjustable - Project#1 Electronics Learning Boar http://www.instructables.com/id/PIR-Motion-Sensor-Security-Circuit-Duration-Adju/
PIR Motion Sensor Security Circuit - Duration Adjustable - Project#1 Electronics Learning Boar - More DIY How To Projects]]> https://cdn.instructables.com/F3K/32SR/HKE9MHRD/F3K32SRHKE9MHRD.SQUARE2.jpg https://cdn.instructables.com/F3K/32SR/HKE9MHRD/F3K32SRHKE9MHRD.SQUARE.jpg https://cdn.instructables.com/F3K/32SR/HKE9MHRD/F3K32SRHKE9MHRD.SMALL.jpg EngineeringShock Hi Everyone! I've been working very hard to make electronic block tutorials for my youtube subscriberes, as well as potential buyers of my electronics learning board.  The board has many different blocks, and there are 11x tutorial videos that I have to show you how each of them work. Each tutorial ...
By: EngineeringShock

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Thu, 15 Aug 2013 12:24:42 PDT
Arduino UNO Based HUB75 LED DISPLAY DRIVER http://www.instructables.com/id/Arduino-UNO-Based-HUB75-LED-DISPLAY-DRIVER/
Arduino UNO Based HUB75 LED DISPLAY DRIVER - More DIY How To Projects]]> https://cdn.instructables.com/FVV/KY4Y/IN365VLH/FVVKY4YIN365VLH.SQUARE2.jpg https://cdn.instructables.com/FVV/KY4Y/IN365VLH/FVVKY4YIN365VLH.SQUARE.jpg https://cdn.instructables.com/FVV/KY4Y/IN365VLH/FVVKY4YIN365VLH.SMALL.jpg AlexanderS52 This is custom 5x5cm Arduino UNO board that allows simple connection to HUB75 interface LED displays.If you are not familiar with such displays you can buy one from Adafruit 16X32 RGB LED MATRIX PANEL, or from Aliexpress HUB75 interface LED displays usually comes with flat cable for data and power c...
By: AlexanderS52

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Tue, 26 Apr 2016 07:06:33 PDT
Make Your Own Crude Shaking Torch (Emergency Flashlight) http://www.instructables.com/id/Make-Your-Own-Crude-Shaking-Torch-Emergency-Flashl/
Make Your Own Crude Shaking Torch (Emergency Flashlight) - More DIY How To Projects]]> https://cdn.instructables.com/FM7/VXME/IQPHKQ8A/FM7VXMEIQPHKQ8A.SQUARE2.jpg https://cdn.instructables.com/FM7/VXME/IQPHKQ8A/FM7VXMEIQPHKQ8A.SQUARE.jpg https://cdn.instructables.com/FM7/VXME/IQPHKQ8A/FM7VXMEIQPHKQ8A.SMALL.jpg GreatScottLab In this project I will show you how I combined a joule thief circuit with a coil and a magnet in order to create a shaking torch which is an emergency flashlight that does not require batteries.Let's get started! Watch the video! The video gives you an overview on what is necessary to do to creat...
By: GreatScottLab

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Sun, 17 Jul 2016 07:52:01 PDT
DIY Power resistor http://www.instructables.com/id/DIY-Power-Resistor/
DIY Power resistor - More DIY How To Projects]]> https://cdn.instructables.com/FOQ/Q3XH/IJG22UO0/FOQQ3XHIJG22UO0.SQUARE2.jpg https://cdn.instructables.com/FOQ/Q3XH/IJG22UO0/FOQQ3XHIJG22UO0.SQUARE.jpg https://cdn.instructables.com/FOQ/Q3XH/IJG22UO0/FOQQ3XHIJG22UO0.SMALL.jpg kobyx First , hello , I am glad to be here on instructables.comThis is my first instructable.This is one simple way to create power resistor at home.I needed 0,33 ohm resistor with some larger wattage so I decide to create one, instead of buying one. I always say, creating is much more fun then buying. ...
By: kobyx

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Fri, 15 Jan 2016 13:39:31 PST
Rescue a vintage TV cabinet http://www.instructables.com/id/Rescue-a-vintage-TV-cabinet/
Rescue a vintage TV cabinet - More DIY How To Projects]]> https://cdn.instructables.com/F1A/7BYR/GNRSY008/F1A7BYRGNRSY008.SQUARE2.jpg https://cdn.instructables.com/F1A/7BYR/GNRSY008/F1A7BYRGNRSY008.SQUARE.jpg https://cdn.instructables.com/F1A/7BYR/GNRSY008/F1A7BYRGNRSY008.SMALL.jpg knife141 I picked up this old television at a flea market.  You have to be really careful with these ancient televisions.  These sets carry a lot of voltage, however  it's not necessarily  the voltage that kills you, but the brick wall that the shock throws you through!  ThisTV chassis was too old, rusty, an...
By: knife141

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Thu, 26 May 2011 15:27:25 PDT
pure sine wave inverter using pic microcontroller http://www.instructables.com/id/pure-sine-wave-inverter-using-pic-microcontroller-1/
pure sine wave inverter using pic microcontroller - More DIY How To Projects]]> https://cdn.instructables.com/FYE/I5GX/IBQCEN72/FYEI5GXIBQCEN72.SQUARE2.jpg https://cdn.instructables.com/FYE/I5GX/IBQCEN72/FYEI5GXIBQCEN72.SQUARE.jpg https://cdn.instructables.com/FYE/I5GX/IBQCEN72/FYEI5GXIBQCEN72.SMALL.jpg MicrocontrollerLab Pure sine wave inverter using pic microcontroller is designed in this project. Ferrite core or chopper based pure sine wave inverter is designed in this project. There are two main parts of this project1.DC to DC converter using push pull topolgy which converts 12 volt dc from battery to 311v DC whi...
By: MicrocontrollerLab

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Fri, 3 Jul 2015 06:41:31 PDT
An easy way to create professional looking labeled project panels http://www.instructables.com/id/An-easy-way-to-create-professional-looking-labeled/
An easy way to create professional looking labeled project panels - More DIY How To Projects]]> https://cdn.instructables.com/F6V/ZYSO/HHS9QJKR/F6VZYSOHHS9QJKR.SQUARE2.jpg https://cdn.instructables.com/F6V/ZYSO/HHS9QJKR/F6VZYSOHHS9QJKR.SQUARE.jpg https://cdn.instructables.com/F6V/ZYSO/HHS9QJKR/F6VZYSOHHS9QJKR.SMALL.jpg abizar Many of my homemade electronics projects have hand lettered labels. For a variable power supply, I decided to make a better looking set of labels. Popular approaches were using rub on letters, transferring ink jet printed text/graphics to a solid surface with glue, transferring laser printed text/gr...
By: abizar

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Wed, 12 Jun 2013 18:32:41 PDT
Microwave Transformer Electromagnet http://www.instructables.com/id/Microwave-Electromagnet/
Microwave Transformer Electromagnet - More DIY How To Projects]]> https://cdn.instructables.com/FRF/UO7G/IY4QDQEO/FRFUO7GIY4QDQEO.SQUARE2.jpg https://cdn.instructables.com/FRF/UO7G/IY4QDQEO/FRFUO7GIY4QDQEO.SQUARE.jpg https://cdn.instructables.com/FRF/UO7G/IY4QDQEO/FRFUO7GIY4QDQEO.SMALL.jpg scegbert These instructions will guide you in creating an electromagnet capable of lifting over 50 lbs when powered by a single AA battery. This provides a great introduction to electricity and magnetism as well as an opportunity to learn about microwave ovens. It is also a much cheaper alternative to buying...
By: scegbert

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Sat, 21 Jan 2017 20:11:27 PST
E-Paper Weather Display With Photon and IFTTT http://www.instructables.com/id/E-Paper-Weather-Display-With-Photon-and-IFTTT/
E-Paper Weather Display With Photon and IFTTT - More DIY How To Projects]]> https://cdn.instructables.com/FIM/7JX7/J6FYUOG0/FIM7JX7J6FYUOG0.SQUARE2.jpg https://cdn.instructables.com/FIM/7JX7/J6FYUOG0/FIM7JX7J6FYUOG0.SQUARE.jpg https://cdn.instructables.com/FIM/7JX7/J6FYUOG0/FIM7JX7J6FYUOG0.SMALL.jpg AlexFW If you have an E-Reader such as a Barnes & Noble NOOK or an Amazon Kindle then you're already familiar with e-paper. The e-paper display on your e-reader is what allows you to read it in direct sunlight without any glare. However, you also know that the e-paper screen takes a really long time to upd...
By: AlexFW

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Thu, 17 Aug 2017 09:15:54 PDT
SPI to 4 x UART Bridge (MULTIUART) http://www.instructables.com/id/SPI-to-4-x-UART-Bridge-MULTIUART/
SPI to 4 x UART Bridge (MULTIUART) - More DIY How To Projects]]> https://cdn.instructables.com/FND/IMSS/IEX4YY66/FNDIMSSIEX4YY66.SQUARE2.jpg https://cdn.instructables.com/FND/IMSS/IEX4YY66/FNDIMSSIEX4YY66.SQUARE.jpg https://cdn.instructables.com/FND/IMSS/IEX4YY66/FNDIMSSIEX4YY66.SMALL.jpg assasinsareus If your a fan of electronics then you like me will often find it annoying on the lack of hardware serial ports on modern devices. Many modules like the Wifi ESP8266 and the Bluetooth HC-06 are available for peanuts but they each require a UART based serial peripheral on your controller to work effec...
By: assasinsareus

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Fri, 25 Sep 2015 05:33:03 PDT
Simple Stepper Motor Driver For Arduino CNC Projects http://www.instructables.com/id/Simple-Stepper-Motor-Driver-For-CNC-Projects/
Simple Stepper Motor Driver For Arduino CNC Projects - More DIY How To Projects]]> https://cdn.instructables.com/F1O/RPDY/HS9YBXBE/F1ORPDYHS9YBXBE.SQUARE2.jpg https://cdn.instructables.com/F1O/RPDY/HS9YBXBE/F1ORPDYHS9YBXBE.SQUARE.jpg https://cdn.instructables.com/F1O/RPDY/HS9YBXBE/F1ORPDYHS9YBXBE.SMALL.jpg rjkorn This is a simple dual H-Bridge drive I made some time ago using some chips I got off eBay. It uses a Pic micro-controller to handle the step direction inputs to coil drive logic. I used the cheapest pics I had around which were the 12c50/509's. There is no enable input but that could be added by u...
By: rjkorn

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Fri, 21 Mar 2014 23:37:15 PDT
Build a Power Bank in $2 http://www.instructables.com/id/Build-a-Power-Bank-in-2/
Build a Power Bank in $2 - More DIY How To Projects]]> https://cdn.instructables.com/FX6/DCXU/J67WDO8A/FX6DCXUJ67WDO8A.SQUARE2.jpg https://cdn.instructables.com/FX6/DCXU/J67WDO8A/FX6DCXUJ67WDO8A.SQUARE.jpg https://cdn.instructables.com/FX6/DCXU/J67WDO8A/FX6DCXUJ67WDO8A.SMALL.jpg Steve Willson Kujur Hey! everyone My name is Steve.Today I'm going to show you How to make a Power Bank in just $2 not believing?Follow me and you'll get it Click Here to See The VideoLet's Start Features Power Input 5v 2A via a micro USB Power Output 5v 1A And 5v 2A Dual USB Capacity It depends on how muc...
By: Steve Willson Kujur

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Fri, 11 Aug 2017 10:01:55 PDT
Make a Capacitor with stuff you already have (how it works+calculations) http://www.instructables.com/id/Make-a-Capacitor-and-how-it-works-with-stuff-you-a/
Make a Capacitor with stuff you already have (how it works+calculations) - More DIY How To Projects]]> https://cdn.instructables.com/F3X/6H2D/HS0D95IA/F3X6H2DHS0D95IA.SQUARE2.jpg https://cdn.instructables.com/F3X/6H2D/HS0D95IA/F3X6H2DHS0D95IA.SQUARE.jpg https://cdn.instructables.com/F3X/6H2D/HS0D95IA/F3X6H2DHS0D95IA.SMALL.jpg assemblyrequired Capacitors are in electronics all around us. As a result, it is important to understand how they work, especially the simplest: the parallel plate capacitor. In this Instructable, I will be showing you how to make your own, and I will also show you how they work, along with the calculations. Include...
By: assemblyrequired

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Sun, 23 Feb 2014 14:17:56 PST
DIY Emergency resistor - an electronic circuit component http://www.instructables.com/id/DIY-Emergency-resistor-an-electronic-circuit-com/
DIY Emergency resistor - an electronic circuit component - More DIY How To Projects]]> https://cdn.instructables.com/FJW/3STD/HCJOCZW7/FJW3STDHCJOCZW7.SQUARE2.jpg https://cdn.instructables.com/FJW/3STD/HCJOCZW7/FJW3STDHCJOCZW7.SQUARE.jpg https://cdn.instructables.com/FJW/3STD/HCJOCZW7/FJW3STDHCJOCZW7.SMALL.jpg bull.steve Your in a cabin in the woods, your circuit is due tomorrow and the parts store is closed. You need is a few resistors now! Gather the materials To make resistors you need a volt-ohm meter, some paper clips, slips of paper and a graphite pencil. I prefer a No. 2 pencil as a No. 1 is harder to find...
By: bull.steve

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Thu, 31 Jan 2013 21:51:43 PST
How to make a password hacker on a USB! http://www.instructables.com/id/How-to-make-a-password-hacker-on-a-USB/
How to make a password hacker on a USB! - More DIY How To Projects]]> https://cdn.instructables.com/FL1/V9V7/IAGMKJ5A/FL1V9V7IAGMKJ5A.SQUARE2.jpg https://cdn.instructables.com/FL1/V9V7/IAGMKJ5A/FL1V9V7IAGMKJ5A.SQUARE.jpg https://cdn.instructables.com/FL1/V9V7/IAGMKJ5A/FL1V9V7IAGMKJ5A.SMALL.jpg tomweath This guide will tell you how to use virus-free software to run on your computer (wink wink) to recover network passwords and other passwords that have been saved on "your" browser. It will also show you how to install a key-logger. This is not intended for any illegal purposes and I do not have any ...
By: tomweath

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Mon, 1 Jun 2015 14:23:35 PDT
Netgear modem/router overheating (for DG834G and similar) http://www.instructables.com/id/Netgear-modemrouter-overheating-for-DG834G-and-s/
Netgear modem/router overheating (for DG834G and similar) - More DIY How To Projects]]> https://cdn.instructables.com/F78/LFEJ/GFMCD2D5/F78LFEJGFMCD2D5.SQUARE2.jpg https://cdn.instructables.com/F78/LFEJ/GFMCD2D5/F78LFEJGFMCD2D5.SQUARE.jpg https://cdn.instructables.com/F78/LFEJ/GFMCD2D5/F78LFEJGFMCD2D5.SMALL.jpg belpha Do you own a Netgear modem/router? Do you loose connection or is it very slow? Is it so hot that you can cook eggs on it? OK, maybe is a overheating problem. Follow this instructables and probably you will fix it without buy a new one. NOTE: I have a DG834G, but you can use this guide for the ot...
By: belpha

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Mon, 25 Oct 2010 08:32:34 PDT
NIXIE TUBE DRIVER MODULES - Part II http://www.instructables.com/id/NIXIE-TUBE-DRIVER-MODULES-Part-II/
NIXIE TUBE DRIVER MODULES - Part II - More DIY How To Projects]]> https://cdn.instructables.com/FDP/92NT/FJ4VI9MF/FDP92NTFJ4VI9MF.SQUARE2.jpg https://cdn.instructables.com/FDP/92NT/FJ4VI9MF/FDP92NTFJ4VI9MF.SQUARE.jpg https://cdn.instructables.com/FDP/92NT/FJ4VI9MF/FDP92NTFJ4VI9MF.SMALL.jpg gluplug This Instructable is a follow-up to the nixie tube driver module (Part I) that I posted here.The nixie driver board is designed to receive serial input from an external microcontroller (Arduino, etc.) and output decimal information and route power to one pair of nixie tubes. The pair of nixie tubes...
By: gluplug

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Tue, 5 Aug 2008 00:58:15 PDT