Instructables: exploring - technology - pwm - popular http://www.instructables.com Sun, 26 Jun 2016 06:32:51 PDT BLOX v1.01 A Simple Introduction to Transistors and PWM (Pulse-Width Modulation) http://www.instructables.com/id/A-Simple-Introduction-to-Transistors-and-PWM-Puls/
A Simple Introduction to Transistors and PWM (Pulse-Width Modulation) - More DIY How To Projects]]> http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SQUARE2.jpg http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SQUARE.jpg http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SMALL.jpg CalcProgrammer1 The silicon transistor was invented in 1954 and has been considered one of the greatest inventions in the history of technology. Its invention practically spawned the field of electronics and contributed to all of our modern computers, iPods, phones, etc. If you've ever asked what a transistor is ...
By: CalcProgrammer1

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Sun, 20 Sep 2009 16:44:02 PDT
RaspberryPi Pulse Width Modulation Demonstration http://www.instructables.com/id/RaspberryPi-Pulse-Width-Modulation-Demonstration/
RaspberryPi Pulse Width Modulation Demonstration - More DIY How To Projects]]> http://cdn.instructables.com/F92/MJQ7/I2RGY1H0/F92MJQ7I2RGY1H0.SQUARE2.jpg http://cdn.instructables.com/F92/MJQ7/I2RGY1H0/F92MJQ7I2RGY1H0.SQUARE.jpg http://cdn.instructables.com/F92/MJQ7/I2RGY1H0/F92MJQ7I2RGY1H0.SMALL.jpg JRV31 This instructable is a demonstration of the settings used to control the hardware Pulse Width Modulation (PWM) on a RaspberryPi. If you are just fading an LED the default settings are good enough, but if you are trying to control a servo, a stepping motor, or anything critical you will want to chan...
By: JRV31

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Fri, 21 Nov 2014 12:47:58 PST
Yet Another Simple Pot-controlled 555 PWM generator http://www.instructables.com/id/Yet-Another-Simple-Pot-controlled-555-PWM-generato/
Yet Another Simple Pot-controlled 555 PWM generator - More DIY How To Projects]]> http://cdn.instructables.com/F3G/EGVL/GBF5KOJ4/F3GEGVLGBF5KOJ4.SQUARE2.jpg http://cdn.instructables.com/F3G/EGVL/GBF5KOJ4/F3GEGVLGBF5KOJ4.SQUARE.jpg http://cdn.instructables.com/F3G/EGVL/GBF5KOJ4/F3GEGVLGBF5KOJ4.SMALL.jpg MrCruz Something that a project that I'm working on has me doing is using a serial to parallel IC (think 74HC595) to control leds. However, rather than drive the leds directly from the pins, I opted for the use of transistors. After testing this out, it became apparent to me that perhaps the leds might be ...
By: MrCruz

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Sat, 10 Jul 2010 15:13:23 PDT
LED Rainbow - RGB LED PWM Controller Construction - Easy To Build http://www.instructables.com/id/LED-Rainbow-RGB-LED-PWM-Controller-Construction-/
LED Rainbow - RGB LED PWM Controller Construction - Easy To Build - More DIY How To Projects]]> http://cdn.instructables.com/FBM/HMWM/FPQLC0WW/FBMHMWMFPQLC0WW.SQUARE2.jpg http://cdn.instructables.com/FBM/HMWM/FPQLC0WW/FBMHMWMFPQLC0WW.SQUARE.jpg http://cdn.instructables.com/FBM/HMWM/FPQLC0WW/FBMHMWMFPQLC0WW.SMALL.jpg john.kerr Step-by-step, easy to follow instructions on the building of a LED Rainbow RGB LED PWM Controller. Only a minimal amount of parts are needed, along with a PIC processor, and you can construct one of the most amazing LED controllers available. The system is capable of driving either RGB LEDs, or ind...
By: john.kerr

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Mon, 12 Jan 2009 16:30:19 PST
Make A PWM Motor Speed Controller http://www.instructables.com/id/Make-A-PWM-Motor-Speed-Controller/
Make A PWM Motor Speed Controller - More DIY How To Projects]]> http://cdn.instructables.com/FYD/1SRB/IDFW80OY/FYD1SRBIDFW80OY.SQUARE2.jpg http://cdn.instructables.com/FYD/1SRB/IDFW80OY/FYD1SRBIDFW80OY.SQUARE.jpg http://cdn.instructables.com/FYD/1SRB/IDFW80OY/FYD1SRBIDFW80OY.SMALL.jpg DylanD581 Microcontrollers such as Arduinos are a great way to control your custom electronics projects. Unfortunately the digital pins have a max output of 40mA, and this isn’t enough to power most motors. This is where a motor controller shield can come in handy. But these are expensive to buy, and only let...
By: DylanD581

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Mon, 17 Aug 2015 09:30:38 PDT
Motor Driver BTS7960 43A http://www.instructables.com/id/Motor-Driver-BTS7960-43A/
Motor Driver BTS7960 43A - More DIY How To Projects]]> http://cdn.instructables.com/FRV/794B/HUL8W14L/FRV794BHUL8W14L.SQUARE2.jpg http://cdn.instructables.com/FRV/794B/HUL8W14L/FRV794BHUL8W14L.SQUARE.jpg http://cdn.instructables.com/FRV/794B/HUL8W14L/FRV794BHUL8W14L.SMALL.jpg Mohannad Rawashdeh When you Build Your project , Sometimes you faced some issue with Motor driving Control , Specially if you want to control High Power Motor , I want to write about a nice Motor driver Module , it's BTS7960 half bridge motor controller . The BTS 7960 is a fully integrated high current half , bridge ...
By: Mohannad Rawashdeh

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Tue, 29 Apr 2014 11:42:38 PDT
Component Tester - Test almost anything !! http://www.instructables.com/id/Component-Tester-Test-Almost-Anything-/
Component Tester - Test almost anything !! - More DIY How To Projects]]> http://cdn.instructables.com/FZT/WTME/IJRHRPK9/FZTWTMEIJRHRPK9.SQUARE2.jpg http://cdn.instructables.com/FZT/WTME/IJRHRPK9/FZTWTMEIJRHRPK9.SQUARE.jpg http://cdn.instructables.com/FZT/WTME/IJRHRPK9/FZTWTMEIJRHRPK9.SMALL.jpg baweja_akshay Being an Electronics student or hobbyist, you may have thought of getting a tester that could test almost anything "THE ELECTRONICS COMPONENTS, OBVIOUSLY!!"Now what if I tell you that you can have one and that too made by yourself under INR 600 only (USD 10).Coming upon COMPONENT TESTER so it can te...
By: baweja_akshay

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Sun, 24 Jan 2016 07:23:31 PST
Dimming an LED lamp with an Arduino http://www.instructables.com/id/Dimming-an-LED-lamp-with-an-Arduino/
Dimming an LED lamp with an Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FBS/J4TI/I0UTQCIV/FBSJ4TII0UTQCIV.SQUARE2.jpg http://cdn.instructables.com/FBS/J4TI/I0UTQCIV/FBSJ4TII0UTQCIV.SQUARE.jpg http://cdn.instructables.com/FBS/J4TI/I0UTQCIV/FBSJ4TII0UTQCIV.SMALL.jpg rotormind So I've been happy with these inexpensive 12V LED bulbs from Cree available at amazon.com. At 9 watts, they are as bright as a 35 watt halogen, cheap, and relatively good color. Also they are easy to take apart and hack! Here's an easy hack that lets you dim them smoothly andfully. Though you can d...
By: rotormind

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Sun, 5 Oct 2014 17:25:28 PDT
RF Control System For R/C Vehicle Based On Arduino And nRF24L01 http://www.instructables.com/id/RF-Control-System-For-RC-Vehicle-Based-On-Arduino-/
RF Control System For R/C Vehicle Based On Arduino And nRF24L01 - More DIY How To Projects]]> http://cdn.instructables.com/FHG/6Z3E/HW8T6VBY/FHG6Z3EHW8T6VBY.SQUARE2.jpg http://cdn.instructables.com/FHG/6Z3E/HW8T6VBY/FHG6Z3EHW8T6VBY.SQUARE.jpg http://cdn.instructables.com/FHG/6Z3E/HW8T6VBY/FHG6Z3EHW8T6VBY.SMALL.jpg mujahed1987 The aim of this project is to build a transmitter and a receiver by using a cheap and easy to use component such as Arduino UNO, Arduino Nano, and nRF24L01 transceiver. This project is a simple and easy to implement and can be a good start point for beginners. ​What you will need: 1x Arduino Un...
By: mujahed1987

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Sat, 28 Jun 2014 10:27:07 PDT
64 pixel RGB LED Display - Another Arduino Clone http://www.instructables.com/id/64-pixel-RGB-LED-Display-Another-Arduino-Clone/
64 pixel RGB LED Display - Another Arduino Clone - More DIY How To Projects]]> http://cdn.instructables.com/FPU/5A82/FUI0SVDC/FPU5A82FUI0SVDC.SQUARE2.jpg http://cdn.instructables.com/FPU/5A82/FUI0SVDC/FPU5A82FUI0SVDC.SQUARE.jpg http://cdn.instructables.com/FPU/5A82/FUI0SVDC/FPU5A82FUI0SVDC.SMALL.jpg madworm This display is based on an 8x8 RGB LED Matrix. For testing purposes it was connected to a standard Arduino board (Diecimila) using 4 shift registers. After getting it to work I permatized it on a fabbed PCB. The shift registers are 8-bit wide and are easily interfaced with the SPI protocol. Pulse w...
By: madworm

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Mon, 18 May 2009 06:14:55 PDT
Control Arduino Board Wirelessly With iPhone, iPad or iPod Using iArduino App and Ethernet Shield http://www.instructables.com/id/Control-Arduino-Board-Wirelessly-With-iPhone-iPad/
Control Arduino Board Wirelessly With iPhone, iPad or iPod Using iArduino App and Ethernet Shield - More DIY How To Projects]]> http://cdn.instructables.com/FKM/R9ET/H9T4CK38/FKMR9ETH9T4CK38.SQUARE2.jpg http://cdn.instructables.com/FKM/R9ET/H9T4CK38/FKMR9ETH9T4CK38.SQUARE.jpg http://cdn.instructables.com/FKM/R9ET/H9T4CK38/FKMR9ETH9T4CK38.SMALL.jpg DjTronix This tutorial will guide you with how to make whole setup to control your Arduino Board with iArduino application.For understanding, we will use Led and we will switch it On and Off  with the help of iArduino app.From this you will get the idea about how to setup iArduino to control your Arduino boa...
By: DjTronix

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Sun, 25 Nov 2012 23:08:33 PST
Analog Output - Convert PWM to Voltage http://www.instructables.com/id/Analog-Output-Convert-PWM-to-Voltage/
Analog Output - Convert PWM to Voltage - More DIY How To Projects]]> http://cdn.instructables.com/FYH/QDUB/H5TUA4NK/FYHQDUBH5TUA4NK.SQUARE2.jpg http://cdn.instructables.com/FYH/QDUB/H5TUA4NK/FYHQDUBH5TUA4NK.SQUARE.jpg http://cdn.instructables.com/FYH/QDUB/H5TUA4NK/FYHQDUBH5TUA4NK.SMALL.jpg ProvideYourOwn Arduino's and other microcontrollers provide analog to digital (ADC) conversion to convert an input voltage to a digital value. You might think that they also provide the converse which is digital to analog (DAC) conversion. This is not the case. Instead they provide pulse-width modulated (PWM) outp...
By: ProvideYourOwn

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Thu, 16 Aug 2012 09:52:04 PDT
Simple (and dirty) Pulse Width Modulation (PWM) With 555 Timer http://www.instructables.com/id/Simple-and-dirty-Pulse-Width-Modulation-PWM-Wi/
Simple (and dirty) Pulse Width Modulation (PWM) With 555 Timer - More DIY How To Projects]]> http://cdn.instructables.com/FU7/2YT9/FHTAIQJQ/FU72YT9FHTAIQJQ.SQUARE2.jpg http://cdn.instructables.com/FU7/2YT9/FHTAIQJQ/FU72YT9FHTAIQJQ.SQUARE.jpg http://cdn.instructables.com/FU7/2YT9/FHTAIQJQ/FU72YT9FHTAIQJQ.SMALL.jpg Chein Simple circuit for DC Motor speed control (fan speed control, light / LED dimming and etc) using the 555 timer.Also a good starting point for novices wanting to get their hands dirty with the 555 timer IC. Some would argue that this is not the most efficient approach, but hey (read the title), it's ...
By: Chein

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Mon, 23 Jun 2008 20:06:28 PDT
Control electronics by sliding your phone http://www.instructables.com/id/Control-electronics-by-moving-your-phone/
Control electronics by sliding your phone - More DIY How To Projects]]> http://cdn.instructables.com/FLV/QZN3/ID0PU79H/FLVQZN3ID0PU79H.SQUARE2.jpg http://cdn.instructables.com/FLV/QZN3/ID0PU79H/FLVQZN3ID0PU79H.SQUARE.jpg http://cdn.instructables.com/FLV/QZN3/ID0PU79H/FLVQZN3ID0PU79H.SMALL.jpg Tanishq Jaiswal This instructable will take you to through the fun when power of RF, android smartphone and arduino are combined.To adjust the brightness of your table lamp/lights in studio if you are a photographer, speed of ceiling fan, adjust the volume of your home theater, or to control the speed of motor, you...
By: Tanishq Jaiswal

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Fri, 7 Aug 2015 13:36:39 PDT
RGB LED Strip Circuit with Arduino http://www.instructables.com/id/PWM-an-RGB-LED-Strip-with-Arduino/
RGB LED Strip Circuit with Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FLJ/G09M/HDOW3LT5/FLJG09MHDOW3LT5.SQUARE2.jpg http://cdn.instructables.com/FLJ/G09M/HDOW3LT5/FLJG09MHDOW3LT5.SQUARE.jpg http://cdn.instructables.com/FLJ/G09M/HDOW3LT5/FLJG09MHDOW3LT5.SMALL.jpg thelostspore This Instructable covers the assembly of a circuit capable of PWM-ing (pulse width modulating) a 9-12v RGB LED strip and programming an Arduino to cycle through a range of colors. I will discuss how to mount a transistor to a heatsink & assemble the circuit but won't get into soldering as some RGB L...
By: thelostspore

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Sat, 2 Mar 2013 11:16:17 PST
safe and simple AC PWM Dimmer for arduino / Raspberry pi http://www.instructables.com/id/safe-and-simple-AC-PWM-Dimmer-for-arduino-Raspberr/
safe and simple AC PWM Dimmer for arduino / Raspberry pi - More DIY How To Projects]]> http://cdn.instructables.com/FUW/VXZ5/HOHYE3MY/FUWVXZ5HOHYE3MY.SQUARE2.jpg http://cdn.instructables.com/FUW/VXZ5/HOHYE3MY/FUWVXZ5HOHYE3MY.SQUARE.jpg http://cdn.instructables.com/FUW/VXZ5/HOHYE3MY/FUWVXZ5HOHYE3MY.SMALL.jpg Jestin_Cubetech Dimmer With  MOSFET This circuit shows that dimmers intended for use at mains voltage do not always have to contain a triac. Here, a MOSFET (BUZ41A, 500 V/4.5A) in a diode bridge is used to control the voltage across an incandescent bulb with pulse-width modulation (PWM). The power supply voltage f...
By: Jestin_Cubetech

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Sat, 16 Nov 2013 22:44:24 PST
Solar powered water pump with speed control via computer. http://www.instructables.com/id/Solar-powered-water-pump-with-speed-control-via-co/
Solar powered water pump with speed control via computer. - More DIY How To Projects]]> http://cdn.instructables.com/FTC/2796/IANRRPIT/FTC2796IANRRPIT.SQUARE2.jpg http://cdn.instructables.com/FTC/2796/IANRRPIT/FTC2796IANRRPIT.SQUARE.jpg http://cdn.instructables.com/FTC/2796/IANRRPIT/FTC2796IANRRPIT.SMALL.jpg Mjtrinihobby As part of my solar powered home, I have a potable water pump to provide water when our water utility is not available. I also implemented speed control of the pump to adjust the flow to allow energy efficient pump operation depending of the battery bank voltage. Before we continue, take a read of m...
By: Mjtrinihobby

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Sat, 18 Apr 2015 13:16:55 PDT
Foam RC Plane Building Guide http://www.instructables.com/id/Foam-RC-Plane-Building-Guide/
Foam RC Plane Building Guide - More DIY How To Projects]]> http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SQUARE2.jpg http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SQUARE.jpg http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SMALL.jpg Dhipak Bala **All of my RC and robotics projects can be found here: https://projectinkerer.wordpress.com/**At this project's inception, I was inspired to design and build an inexpensive RC plane that I could fly for enjoyment and perhaps in the future stick a camera on. As an aspiring engineer, the idea of buil...
By: Dhipak Bala

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Thu, 9 Apr 2015 20:27:33 PDT
LaserOscope http://www.instructables.com/id/LaserOscope/
LaserOscope - More DIY How To Projects]]> http://cdn.instructables.com/F22/JXCF/I88LKPBR/F22JXCFI88LKPBR.SQUARE2.jpg http://cdn.instructables.com/F22/JXCF/I88LKPBR/F22JXCFI88LKPBR.SQUARE.jpg http://cdn.instructables.com/F22/JXCF/I88LKPBR/F22JXCFI88LKPBR.SMALL.jpg KRA5H Build a laser oscilloscope using Lego, littleBits, Erector set, and the Kano Computer. In honor of The International Year of Light I’ll demonstrate how use the Kano computer to drive a littleBits motor with an optical coupler, or optocoupler. An optocoupler, according to Wikipedia, "is a component t...
By: KRA5H

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Wed, 8 Apr 2015 11:42:54 PDT
Simple Arduino Sunrise Lamp http://www.instructables.com/id/Simple-Arduino-Sunrise-Lamp/
Simple Arduino Sunrise Lamp - More DIY How To Projects]]> http://cdn.instructables.com/FY4/HEK0/GKAYXVZY/FY4HEK0GKAYXVZY.SQUARE2.jpg http://cdn.instructables.com/FY4/HEK0/GKAYXVZY/FY4HEK0GKAYXVZY.SQUARE.jpg http://cdn.instructables.com/FY4/HEK0/GKAYXVZY/FY4HEK0GKAYXVZY.SMALL.jpg PKM Hate waking up in the dark? Me too.  I found a cheap 24 LED lamp and thought it would be fairly easy to make it turn on slowly using my Arduino, which should help banish some of those "waking up in the dark" winter blues. You'll need: - a "camping" LED lamp- I used one like this one - an Arduino or...
By: PKM

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Sat, 19 Feb 2011 14:16:42 PST
ARDUINO SOLAR CHARGE CONTROLLER ( Version 2.0) http://www.instructables.com/id/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
ARDUINO SOLAR CHARGE CONTROLLER ( Version 2.0) - More DIY How To Projects]]> http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SQUARE2.jpg http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SQUARE.jpg http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SMALL.jpg deba168 [ Play Video ]One year ago, I began building my own solar system to provide power for my village house.Initially I made a LM317 based charge controller and an Energy meter for monitoring the system.Finally I made PWM charge controller.In April-2014 I posted my PWM solar charge controller designs on ...
By: deba168

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Sun, 26 Oct 2014 05:35:43 PDT
Simple 2-way motor control for the arduino http://www.instructables.com/id/Simple-2-way-motor-control-for-the-arduino/
Simple 2-way motor control for the arduino - More DIY How To Projects]]> http://cdn.instructables.com/FWH/F88U/G0SD2ZKW/FWHF88UG0SD2ZKW.SQUARE2.jpg http://cdn.instructables.com/FWH/F88U/G0SD2ZKW/FWHF88UG0SD2ZKW.SQUARE.jpg http://cdn.instructables.com/FWH/F88U/G0SD2ZKW/FWHF88UG0SD2ZKW.SMALL.jpg computergeek WARNING: This is not a safe way to control a motor. Each I/O pin can only handle 40 mA of current. I would recommend using a H-Bridge or something along those lines.When I say simple, I don't mean use a speed control. But control the motor directly without any external circuitry. Here's how:How this...
By: computergeek

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Sat, 31 Oct 2009 16:34:42 PDT
DMX LED Strips http://www.instructables.com/id/DMX-LED-Strips/
DMX LED Strips - More DIY How To Projects]]> http://cdn.instructables.com/F7M/115O/I169803J/F7M115OI169803J.SQUARE2.jpg http://cdn.instructables.com/F7M/115O/I169803J/F7M115OI169803J.SQUARE.jpg http://cdn.instructables.com/F7M/115O/I169803J/F7M115OI169803J.SMALL.jpg mtongnz Around the perimeter of our Circus ring we have 17 fences, decorated using RGB LED strips. I wanted to control them with the rest of our lighting using DMX.DMX is an industry standard for communicating with lighting equipment. Wiki DMXSearching for a device that would handle this, I found most devic...
By: mtongnz

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Sun, 12 Oct 2014 18:24:29 PDT
Stay cool this summer: PC Fan Mod http://www.instructables.com/id/Stay-cool-this-summer-PC-Fan-Mod/
Stay cool this summer: PC Fan Mod - More DIY How To Projects]]> http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SQUARE2.jpg http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SQUARE.jpg http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SMALL.jpg GreatScottLab Who does not have a dozen of those PC Fans laying around? In this build I will show you how to use those fans to produce a nice adjustable breeze during hot summer days. And it runs at least 4 hours with an ordinary 9V battery. Watch the video! The video gives you a pretty nice overview on how t...
By: GreatScottLab

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Wed, 23 Jul 2014 02:20:18 PDT
Controlling Motors with a Cell Phone http://www.instructables.com/id/Controlling-Motors-with-a-Cell-Phone/
Controlling Motors with a Cell Phone - More DIY How To Projects]]> http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SQUARE2.jpg http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SQUARE.jpg http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SMALL.jpg thiagohersan I’m working on a project where I want to drive two motors based on signals coming from a cell phone. Something simple. Something that activates every time I get a text message on my phone. There are many ways to do this, I’ll outline the ones I tried and why they did or did not work for me. 99 pro...
By: thiagohersan

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Mon, 9 Jun 2014 16:43:58 PDT
Attiny25/45/85 PWM generator and Servo tester! Updated Code! http://www.instructables.com/id/Attiny254585-PWM-generator-and-Servo-tester/
Attiny25/45/85 PWM generator and Servo tester! Updated Code! - More DIY How To Projects]]> http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SQUARE2.jpg http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SQUARE.jpg http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to build a PWM generator with a Attiny processor. It is very easy to build and a nice project for starters as also for professionals. You will need some electronic knowledge and some knowledge about Arduino. It wont be to hard, because i already wrote a ...
By: Jan_Henrik

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Mon, 14 Apr 2014 10:51:47 PDT
Attiny25/45/85 Police Light, with Arduino! http://www.instructables.com/id/Attiny254585-Police-Light-with-Arduino/
Attiny25/45/85 Police Light, with Arduino! - More DIY How To Projects]]> http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE2.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to build a multi functional Police Light with a Attiny25/45/85 . It will have serval animations , which can be changed with a button on the circuit board, it has 2 channels, which can be controlled with PWM. That allows us to add serval animations or po...
By: Jan_Henrik

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Sat, 19 Apr 2014 07:19:46 PDT
Wiring the MOSFET transistor http://www.instructables.com/id/Wiring-the-MOSFET-transistor-for-beginners/
Wiring the MOSFET transistor - More DIY How To Projects]]> http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SQUARE2.jpg http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SQUARE.jpg http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SMALL.jpg blackfire4116 The MOSFET transistor is an easy way to allow your Arduino or other micro-controller to handle voltages larger than the 5 volts available for each pin. It's really helpful knowledge if your ever wanting to drive something that requires significant more power than a micro-controller can provide. I'm ...
By: blackfire4116

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Sat, 12 Apr 2014 17:27:45 PDT
Periodic Table Glowing Radioactive Eggs http://www.instructables.com/id/Periodic-Table-Glowing-Radioactive-Eggs/
Periodic Table Glowing Radioactive Eggs - More DIY How To Projects]]> http://cdn.instructables.com/FL4/C789/HTUFCFW3/FL4C789HTUFCFW3.SQUARE2.jpg http://cdn.instructables.com/FL4/C789/HTUFCFW3/FL4C789HTUFCFW3.SQUARE.jpg http://cdn.instructables.com/FL4/C789/HTUFCFW3/FL4C789HTUFCFW3.SMALL.jpg caitlinsdad Hear about the one that laid the golden egg? Well, this is a batch of organic(not hatched at least) glowing radioactive eggs. A fine sample of radioactive elements is presented here. Look, there's Polonium, favored by our friends at the KGB. For breakfast, let your kids pick their...wait Great for ...
By: caitlinsdad

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Thu, 10 Apr 2014 22:17:00 PDT
ARDUINO SOLAR CHARGE CONTROLLER (Version-1) http://www.instructables.com/id/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
ARDUINO SOLAR CHARGE CONTROLLER (Version-1) - More DIY How To Projects]]> http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SQUARE2.jpg http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SQUARE.jpg http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SMALL.jpg deba168 [ Play Video ] In my previous instructables I described the details of energy monitoring of a off grid solar system.I have also won the 123D circuits competition for that.You can see this ARDUINO ENERGY METER.Finally I post my new version-3 charge controller.The new version is more efficient and wo...
By: deba168

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Wed, 9 Apr 2014 01:49:18 PDT
Use a Treadmill DC Drive Motor and PWM Speed Controller for powering tools http://www.instructables.com/id/Use-a-Treadmill-DC-Drive-Motor-and-PWM-Speed-Contr/
Use a Treadmill DC Drive Motor and PWM Speed Controller for powering tools - More DIY How To Projects]]> http://cdn.instructables.com/FIV/S4CD/FJPYEVHM/FIVS4CDFJPYEVHM.SQUARE2.jpg http://cdn.instructables.com/FIV/S4CD/FJPYEVHM/FIVS4CDFJPYEVHM.SQUARE.jpg http://cdn.instructables.com/FIV/S4CD/FJPYEVHM/FIVS4CDFJPYEVHM.SMALL.jpg rjeblogue Power tools such as Metal cutting mills and lathes, Drill presses, bandsaws, sanders and more may require .5HP to 2HP motors with the ability to fine tune the speed while maintaining torque.Coincidentally most Treadmills use a 80-260 VDC motor with a suitable HP rating and a PWM motor speed controll...
By: rjeblogue

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Wed, 13 Aug 2008 04:35:34 PDT
Variable speed magnetic stirrer from a PC power supply http://www.instructables.com/id/Variable-speed-magnetic-stirrer-from-a-PC-power-su/
Variable speed magnetic stirrer from a PC power supply - More DIY How To Projects]]> http://cdn.instructables.com/F0I/PG2W/HQS4Y44F/F0IPG2WHQS4Y44F.SQUARE2.jpg http://cdn.instructables.com/F0I/PG2W/HQS4Y44F/F0IPG2WHQS4Y44F.SQUARE.jpg http://cdn.instructables.com/F0I/PG2W/HQS4Y44F/F0IPG2WHQS4Y44F.SMALL.jpg M Allahkarami I found quite lot of simple designs proposed by hobbyists on the web for turning a PC fan to a magnetic stirrer and some projects to build a bench top power supply from and old computer power supply. I think the power supply can act as base for the magnetic stirrer project! Let’s combine the two and...
By: M Allahkarami

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Thu, 23 Jan 2014 15:08:21 PST
Build the Ultimate Larson Scanner! http://www.instructables.com/id/Build-the-Ultimate-Larson-Scanner/
Build the Ultimate Larson Scanner! - More DIY How To Projects]]> http://cdn.instructables.com/FQP/NNB4/HQ4QH67J/FQPNNB4HQ4QH67J.SQUARE2.jpg http://cdn.instructables.com/FQP/NNB4/HQ4QH67J/FQPNNB4HQ4QH67J.SQUARE.jpg http://cdn.instructables.com/FQP/NNB4/HQ4QH67J/FQPNNB4HQ4QH67J.SMALL.jpg DJJules I have watched the availability of high power (10W) LED's jump over the past year or so and... drop in price.  I came across some very inexpensive 10W white LED's from Deal Extreme that were in the $3 dollar range and put out 900lumens, which is more than a 60W incandescent bulb. I immediately thoug...
By: DJJules

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Mon, 6 Jan 2014 22:58:47 PST
silent fan with thermal controller http://www.instructables.com/id/silent-fan-with-thermal-controller/
silent fan with thermal controller - More DIY How To Projects]]> http://cdn.instructables.com/FC6/QLK7/HM7PBN9P/FC6QLK7HM7PBN9P.SQUARE2.jpg http://cdn.instructables.com/FC6/QLK7/HM7PBN9P/FC6QLK7HM7PBN9P.SQUARE.jpg http://cdn.instructables.com/FC6/QLK7/HM7PBN9P/FC6QLK7HM7PBN9P.SMALL.jpg andrea biffi Although I don't need an air conditioner to live in my apartment in Milan, temperature in Summer reaches 30°C and more, so some of electronic devices in my living-room suffer for the absence of ventilation. Specially the hi-fi amplifier and the XBox360 are in a low cabinet in front of television. To...
By: andrea biffi

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Tue, 1 Oct 2013 03:05:54 PDT
PWM dimmer using NE555 and MOSFET with DIY aluminium case. http://www.instructables.com/id/PWM-dimmer-using-NE555-and-MOSFET-with-DIY-alumini/
PWM dimmer using NE555 and MOSFET with DIY aluminium case. - More DIY How To Projects]]> http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SQUARE2.jpg http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SQUARE.jpg http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SMALL.jpg Jestin_Cubetech  a low cost PWM dimmer  using  NE555 and MOSFET  with DIY aluminium case. aluminum case from Aluminum Square Tube. aluminum case  has dual role. first one is            protection cover. and second is    heat sink for MOSFET. Drilling holes POT fixing on aluminum case. MOSFET fixing. ...
By: Jestin_Cubetech

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Fri, 13 Sep 2013 04:31:25 PDT
Arduino-Pneumatic Flight Simulator http://www.instructables.com/id/Arduino-Pneumatic-Flight-Simulator/
Arduino-Pneumatic Flight Simulator - More DIY How To Projects]]> http://cdn.instructables.com/FFC/HORV/HK6XMQ3F/FFCHORVHK6XMQ3F.SQUARE2.jpg http://cdn.instructables.com/FFC/HORV/HK6XMQ3F/FFCHORVHK6XMQ3F.SQUARE.jpg http://cdn.instructables.com/FFC/HORV/HK6XMQ3F/FFCHORVHK6XMQ3F.SMALL.jpg dnicky2288 Hello, my name is Dominick Lee. I am a senior in high school who is also a programmer and inventor. I created the  "LifeBeam Flight Simulator" (name of my project) because I wanted to challenge myself and utilize my software and hardware skills. I was able to successfully plan, build, and run my Fli...
By: dnicky2288

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Wed, 21 Aug 2013 20:08:10 PDT
Very simple PWM with 555...Modulate every thing http://www.instructables.com/id/Very-simple-PWM-with-555Modulate-every-thing/
Very simple PWM with 555...Modulate every thing - More DIY How To Projects]]> http://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SQUARE2.jpg http://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SQUARE.jpg http://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SMALL.jpg shams Note:Any one can ask me for help.Don't comment me on my spelling and grammar.......Because my mother language isn't english.OK LETS GO and also plz plz rate my instructable well Hi every one.Today i'll show you how to make a PWM(pulse width modulat...
By: shams

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Fri, 12 Dec 2008 22:44:15 PST
Rainbow Jar - RGB Pixel Strip Controlled via Arduino http://www.instructables.com/id/Rainbow-Jar-RGB-Pixel-Strip-Controlled-via-Ardui/
Rainbow Jar - RGB Pixel Strip Controlled via Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FEP/PL6S/HJKC5UT2/FEPPL6SHJKC5UT2.SQUARE2.jpg http://cdn.instructables.com/FEP/PL6S/HJKC5UT2/FEPPL6SHJKC5UT2.SQUARE.jpg http://cdn.instructables.com/FEP/PL6S/HJKC5UT2/FEPPL6SHJKC5UT2.SMALL.jpg phenoptix Our most popular item on our display at Maker Faires is always the Rainbow Jar. One customer has already replicated it so we thought we'd share how we made it so you can make your own! https://vine.co/v/hqxpVgdFQ9z (tried embedding this vine but it breaks instructables!) Getting Started - What ...
By: phenoptix

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Fri, 2 Aug 2013 06:23:13 PDT
Turn a Normal Pipette Dispenser to an Automatic Repeater http://www.instructables.com/id/Turn-a-Normal-Pipette-Dispenser-to-an-Automatic-Re/
Turn a Normal Pipette Dispenser to an Automatic Repeater - More DIY How To Projects]]> http://cdn.instructables.com/F2I/58YJ/HH2W3NJC/F2I58YJHH2W3NJC.SQUARE2.jpg http://cdn.instructables.com/F2I/58YJ/HH2W3NJC/F2I58YJHH2W3NJC.SQUARE.jpg http://cdn.instructables.com/F2I/58YJ/HH2W3NJC/F2I58YJHH2W3NJC.SMALL.jpg bbsbb The challenge: Recently, my coworker asked me to design a kit that can transfer a normal pipette dispenser to an automatic repeater. In cell culturing, he needs to use a pipette dispenser to create a water jet in the cell suspension to break the cells into individual cell after harvesting the ce...
By: bbsbb

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Sun, 2 Jun 2013 00:07:53 PDT
Simple Buck LED Driver with PWM Input http://www.instructables.com/id/Poormans-Buck/
Simple Buck LED Driver with PWM Input - More DIY How To Projects]]> http://cdn.instructables.com/FMG/5YET/H1YONIU3/FMG5YETH1YONIU3.SQUARE2.jpg http://cdn.instructables.com/FMG/5YET/H1YONIU3/FMG5YETH1YONIU3.SQUARE.jpg http://cdn.instructables.com/FMG/5YET/H1YONIU3/FMG5YETH1YONIU3.SMALL.jpg ledartist High-power LEDs over 1W are now quite inexpensive. I'm sure many of you are incorporating LEDs as light sources in your projects. However I realize that the finding and configuring the power supply is still not as simple as it can be; commercially available LED drivers are convenient, but often over...
By: ledartist

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Sun, 20 May 2012 10:26:30 PDT
PWM and Frequency Controller (for lasers and diodes) http://www.instructables.com/id/PWM-and-Frequency-Controller-for-lasers-and-diode/
PWM and Frequency Controller (for lasers and diodes) - More DIY How To Projects]]> http://cdn.instructables.com/FPI/ZX6Y/HABC52VX/FPIZX6YHABC52VX.SQUARE2.jpg http://cdn.instructables.com/FPI/ZX6Y/HABC52VX/FPIZX6YHABC52VX.SQUARE.jpg http://cdn.instructables.com/FPI/ZX6Y/HABC52VX/FPIZX6YHABC52VX.SMALL.jpg Electo4fun Today I will show you how to create a driver for lasers and LED that has independent pots for frequency modulation and duty cycle modulation. The main component of the driver is the 555 Timer IC. View the video to see this driver working. Between pauses I adjust the dials and I used a poor camera so...
By: Electo4fun

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Tue, 4 Dec 2012 17:12:21 PST
My hat, it's full of stars! http://www.instructables.com/id/My-hat-its-full-of-stars/
My hat, it's full of stars! - More DIY How To Projects]]> http://cdn.instructables.com/FK8/QUW5/H82U2BK5/FK8QUW5H82U2BK5.SQUARE2.jpg http://cdn.instructables.com/FK8/QUW5/H82U2BK5/FK8QUW5H82U2BK5.SQUARE.jpg http://cdn.instructables.com/FK8/QUW5/H82U2BK5/FK8QUW5H82U2BK5.SMALL.jpg ChrisKnight Top hats are cool; just like bow ties.  Not only are they stylish, but they give you a lot of room for incorporating techno goodness.  I recently had cause to buy a tuxedo, which necessitated a kilt, and then a top hat.  You know how it goes.  To the tux I added silver buttons, the kilt was exemplar...
By: ChrisKnight

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Sat, 13 Oct 2012 19:17:08 PDT
Aurora 48 - 48 RGB LED Sequencer http://www.instructables.com/id/Aurora-48/
Aurora 48 - 48 RGB LED Sequencer - More DIY How To Projects]]> http://cdn.instructables.com/F1N/5T5Z/H7A8PEET/F1N5T5ZH7A8PEET.SQUARE2.jpg http://cdn.instructables.com/F1N/5T5Z/H7A8PEET/F1N5T5ZH7A8PEET.SQUARE.jpg http://cdn.instructables.com/F1N/5T5Z/H7A8PEET/F1N5T5ZH7A8PEET.SMALL.jpg ledartist Aurora 48 is a compact and thin profile full-color LED sequencer. It's built entirely with surface mount components, so the profile is nice and clean.  Features Capable of individually controlling 48 Full color LEDs. Each LED can be faded in 7 bit per channel - 2,097,152 colors. ...
By: ledartist

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Sun, 23 Sep 2012 20:46:37 PDT
Sexy 6 AXIS ROBOTIC ARM http://www.instructables.com/id/6-AXIS-ROBOTIC-ARM/
Sexy 6 AXIS ROBOTIC ARM - More DIY How To Projects]]> http://cdn.instructables.com/FTE/CH0T/H5ZJKY1N/FTECH0TH5ZJKY1N.SQUARE2.jpg http://cdn.instructables.com/FTE/CH0T/H5ZJKY1N/FTECH0TH5ZJKY1N.SQUARE.jpg http://cdn.instructables.com/FTE/CH0T/H5ZJKY1N/FTECH0TH5ZJKY1N.SMALL.jpg sparten11 Well I finally did it. I finally pulled the trigger and started to build a 5/6 axis robotic arm. This is an ongoing project so please check back from time to time to look at the progress and offer any ideas you might have who knows I just might include the changes. I have alot done so far. I will t...
By: sparten11

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Thu, 23 Aug 2012 07:59:14 PDT
250 to 5000 watts PWM DC/AC 220V Power Inverter http://www.instructables.com/id/250-to-5000-watts-PWM-DCAC-220V-Power-Inverter/
250 to 5000 watts PWM DC/AC 220V Power Inverter - More DIY How To Projects]]> http://cdn.instructables.com/FO9/6LEC/IKRNJ3MY/FO96LECIKRNJ3MY.SQUARE2.jpg http://cdn.instructables.com/FO9/6LEC/IKRNJ3MY/FO96LECIKRNJ3MY.SQUARE.jpg http://cdn.instructables.com/FO9/6LEC/IKRNJ3MY/FO96LECIKRNJ3MY.SMALL.jpg Nick_Zouein This is a heavy duty design of a Pulse Width Modulator DC/AC inverter using the chip SG3524 . I've been using it as a backup to power up all my house when outages occur since aprox. 6 years non stop. If you like the work and intend to build the circuit don't forget to click on the "I made it" butto...
By: Nick_Zouein

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Tue, 7 Apr 2009 16:34:43 PDT
Visual / Aural Guitar Tuner "The Tune Trainer" http://www.instructables.com/id/Visual--Aural-Guitar-Tuner-The-Tune-Trainer/
Visual / Aural Guitar Tuner "The Tune Trainer" - More DIY How To Projects]]> http://cdn.instructables.com/FO5/TXQ2/F3MHS7DW/FO5TXQ2F3MHS7DW.SQUARE2.jpg http://cdn.instructables.com/FO5/TXQ2/F3MHS7DW/FO5TXQ2F3MHS7DW.SQUARE.jpg http://cdn.instructables.com/FO5/TXQ2/F3MHS7DW/FO5TXQ2F3MHS7DW.SMALL.jpg gschoppe Build a strobe tuner with an integrated tone generator to teach tuning by ear.-=Background=-I have always dabbled in instruments. Over the course of my life, I've attempted (with varying success) Piano, Guitar, Banjo, Penny Whistle, Ocarina, Panpipes, Great Highland Bagpipes, Smallpipes, and Didger...
By: gschoppe

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Mon, 2 Jul 2007 01:24:34 PDT
Aurora 18x18 - the Big Brother of Aurora 9x18 http://www.instructables.com/id/Aurora-18x18/
Aurora 18x18 - the Big Brother of Aurora 9x18 - More DIY How To Projects]]> http://cdn.instructables.com/F94/7ZZR/H0AR6Y6X/F947ZZRH0AR6Y6X.SQUARE2.jpg http://cdn.instructables.com/F94/7ZZR/H0AR6Y6X/F947ZZRH0AR6Y6X.SQUARE.jpg http://cdn.instructables.com/F94/7ZZR/H0AR6Y6X/F947ZZRH0AR6Y6X.SMALL.jpg ledartist There are some things that you can never stop. After building Aurora 9x18, I just could not shake off wondering, what if I made it bigger... So I finally broke down and made a bigger version of Aurora 9x18, Aurora 18x18. Just as the name implies, it has twice the number of LEDs. The overall dimensi...
By: ledartist

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Sat, 31 Mar 2012 10:08:26 PDT
Aurora 9 bar - The Essence of Aurora http://www.instructables.com/id/Aurora-9-bar-The-Essence-of-Aurora/
Aurora 9 bar - The Essence of Aurora - More DIY How To Projects]]> http://cdn.instructables.com/FMS/YKUW/GQ5QCG0O/FMSYKUWGQ5QCG0O.SQUARE2.jpg http://cdn.instructables.com/FMS/YKUW/GQ5QCG0O/FMSYKUWGQ5QCG0O.SQUARE.jpg http://cdn.instructables.com/FMS/YKUW/GQ5QCG0O/FMSYKUWGQ5QCG0O.SMALL.jpg ledartist Since the introduction of Aurora 9x18, I received many requests for the kits and PCBs. I'm still quite undecided about making those available for a few reasons. However I really want other LED lovers (ok that might sound too much :) to be able to build one themselves. So I came up with Aurora 9 bar...
By: ledartist

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Fri, 22 Jul 2011 15:57:36 PDT
Aurora 9x18 RGB LED art http://www.instructables.com/id/Aurora-9x18-RGB-LED-art/
Aurora 9x18 RGB LED art - More DIY How To Projects]]> http://cdn.instructables.com/FU1/O041/GOW3YC37/FU1O041GOW3YC37.SQUARE2.jpg http://cdn.instructables.com/FU1/O041/GOW3YC37/FU1O041GOW3YC37.SQUARE.jpg http://cdn.instructables.com/FU1/O041/GOW3YC37/FU1O041GOW3YC37.SMALL.jpg ledartist *** Check out my blog for updated version of this project and more! *** My obsession of LEDs has led me to this. Aurora 9x18 is a thing of beauty (if I can say so myself) - has 162 RGB-LEDs in a circular configuration. The color of each circle is controlled by a microcontroller using a twisted form...
By: ledartist

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Tue, 14 Jun 2011 20:49:14 PDT
Time Lapse Dolly http://www.instructables.com/id/Time-Lapse-Dolly/
Time Lapse Dolly - More DIY How To Projects]]> http://cdn.instructables.com/FR7/OBQI/GMON6AI1/FR7OBQIGMON6AI1.SQUARE2.jpg http://cdn.instructables.com/FR7/OBQI/GMON6AI1/FR7OBQIGMON6AI1.SQUARE.jpg http://cdn.instructables.com/FR7/OBQI/GMON6AI1/FR7OBQIGMON6AI1.SMALL.jpg DerekMellott This is how I built my time lapse dolly, it was made with a whole bunch of trial and error, hopefully this will help you build yours. A lot of the stuff I used I had on hand, don't know where I got it, or have no idea what it worth but I'll do my best at giving you a complete list of what I used ...
By: DerekMellott

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Wed, 27 Apr 2011 16:41:01 PDT