Instructables: exploring - technology - electronics - led - popular http://www.instructables.com Wed, 28 Sep 2016 19:02:45 PDT BLOX v1.01 Identifying LED pins http://www.instructables.com/id/Identifying-LED-pins/
Identifying LED pins - More DIY How To Projects]]> https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SQUARE2.jpg https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SQUARE.jpg https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SMALL.jpg pussiedoctor I have three simple ways to remember which way round an LED goes in a circuit.  1,  Looking down from the top of the LED there is usually a flattened edge, this identifies the negative pin of the LED.  2,  If the LED is new, there will be one lead longer than the other. The long lead is the positi...
By: pussiedoctor

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Mon, 9 Jul 2012 07:56:22 PDT
How to make a Joule Thief http://www.instructables.com/id/How-to-Make-a-Joule-Thief-1/
How to make a Joule Thief - More DIY How To Projects]]> https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SQUARE2.jpg https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SQUARE.jpg https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SMALL.jpg Srpska Nauka In this post I will show you how to make a Jouel Thief Components that you will need Any NPN transistor, in my case 2N2222Toroid Core1K (1 kilo ohm) resistorabout 20-30cm of coper wire LED in my case WHITE LED 3,3V 0,5W or any otherLittle bit solderBattery 1,5v Assembly and Connecting Coil...
By: Srpska Nauka

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Sun, 28 Aug 2016 13:35:46 PDT
Li - Ion battery level indicator http://www.instructables.com/id/Li-Ion-battery-level-indicator/
Li - Ion battery level indicator - More DIY How To Projects]]> https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SMALL.jpg Osvaldas Are you looking for a simple circuit to measure your Lithium Ion single cell charging and discharging level? Here is one chip circuit, powered up from the same Lithium Ion battery you want to measure.This circuit is design to measure 3.7V rechargeable batteries level. 4.2V - 100%; 4V - 80%; 3.8V - ...
By: Osvaldas

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Tue, 21 Oct 2014 13:28:44 PDT
Fix Your QuadCopter http://www.instructables.com/id/Fix-Your-Drone/
Fix Your QuadCopter - More DIY How To Projects]]> https://cdn.instructables.com/FPN/EEOQ/IJ6CD76T/FPNEEOQIJ6CD76T.SQUARE2.jpg https://cdn.instructables.com/FPN/EEOQ/IJ6CD76T/FPNEEOQIJ6CD76T.SQUARE.jpg https://cdn.instructables.com/FPN/EEOQ/IJ6CD76T/FPNEEOQIJ6CD76T.SMALL.jpg Just4Fun Media One of the hot toys this Christmas was quadcopter drones. They are an awful lot of fun for a great price, and are a lot more fun to learn to fly than larger (more expensive to crash) models. Due to their inexpensive construction and very inexperienced pilots, there are bound to be some breakdowns. I...
By: Just4Fun Media

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Sat, 9 Jan 2016 10:35:32 PST
74HC595 Shift register http://www.instructables.com/id/74HC595-Shift-register/
74HC595 Shift register - More DIY How To Projects]]> https://cdn.instructables.com/FG5/L3YO/H5TUB0CK/FG5L3YOH5TUB0CK.SQUARE2.jpg https://cdn.instructables.com/FG5/L3YO/H5TUB0CK/FG5L3YOH5TUB0CK.SQUARE.jpg https://cdn.instructables.com/FG5/L3YO/H5TUB0CK/FG5L3YOH5TUB0CK.SMALL.jpg BooRan This will be a quick start guide to the 74HC595 Shift register.   The shift register operates in a fairly simple way, but can be modified to become very complicated but very useful. The basic concept is you have 8 output pins from the 74HC595.  For this example lets just say these are sent through...
By: BooRan

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Sat, 18 Aug 2012 12:50:39 PDT
The Musixel BoomBox http://www.instructables.com/id/The-Musixel-BoomBox/
The Musixel BoomBox - More DIY How To Projects]]> https://cdn.instructables.com/FOB/OJ33/INT6D9EJ/FOBOJ33INT6D9EJ.SQUARE2.jpg https://cdn.instructables.com/FOB/OJ33/INT6D9EJ/FOBOJ33INT6D9EJ.SQUARE.jpg https://cdn.instructables.com/FOB/OJ33/INT6D9EJ/FOBOJ33INT6D9EJ.SMALL.jpg andy.spikenzielabs The Musixel is a board designed to interpret the frequencies in music or sounds and generate a light-show on up to 64 addressable LEDs. The Musixel has a few modes built-in, one of them is a 'Graphic Equalizer' styled visualizer that is more than just a little cool. In this project it runs an 8x8 ma...
By: andy.spikenzielabs

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Wed, 4 May 2016 14:47:42 PDT
Shake Flashlight http://www.instructables.com/id/Shake-Flashlight-1/
Shake Flashlight - More DIY How To Projects]]> https://cdn.instructables.com/FAS/SO5J/IECNEGNX/FASSO5JIECNEGNX.SQUARE2.jpg https://cdn.instructables.com/FAS/SO5J/IECNEGNX/FASSO5JIECNEGNX.SQUARE.jpg https://cdn.instructables.com/FAS/SO5J/IECNEGNX/FASSO5JIECNEGNX.SMALL.jpg KJMagnetics How can you generate electricity without batteries? With magnets of course! In this Instructable, we will show how a magnet and some electrical components can make a simple shake flashlight that never needs batteries! This type of flashlight is great for hiking, camping, or emergency situations. Tak...
By: KJMagnetics

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Wed, 9 Sep 2015 10:23:36 PDT
Flip flop LED circuit http://www.instructables.com/id/Flip-flop-LED-circuit/
Flip flop LED circuit - More DIY How To Projects]]> https://cdn.instructables.com/FHD/HB0P/GOOP5VLB/FHDHB0PGOOP5VLB.SQUARE2.jpg https://cdn.instructables.com/FHD/HB0P/GOOP5VLB/FHDHB0PGOOP5VLB.SQUARE.jpg https://cdn.instructables.com/FHD/HB0P/GOOP5VLB/FHDHB0PGOOP5VLB.SMALL.jpg sooraj619 This is a simple circuit based on transistor 2N 2222A and some resistors, there are 2 LED s and when one is on other will be off and this will be repeated in equal intervals of time   parts list 2 x  2N2222 transistor 2 x 10k resistor (brown black orange) 2 x 390 ohm resistor( orange white brow...
By: sooraj619

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Sat, 11 Jun 2011 04:13:28 PDT
12 Easy, Helpful Uses for Heat Shrink Tubing http://www.instructables.com/id/10-Easy-Helpful-Uses-for-Heat-Shrink-Tubing/
12 Easy, Helpful Uses for Heat Shrink Tubing - More DIY How To Projects]]> https://cdn.instructables.com/FCB/51YT/HCV91HIX/FCB51YTHCV91HIX.SQUARE2.jpg https://cdn.instructables.com/FCB/51YT/HCV91HIX/FCB51YTHCV91HIX.SQUARE.jpg https://cdn.instructables.com/FCB/51YT/HCV91HIX/FCB51YTHCV91HIX.SMALL.jpg HavocRC I just bought a heat gun and shrink wrap from Harbor Freight, and I was totally blasted with the usefulness of shrink wrap. Here are just a few projects I came up with as far as my electronics workbench goes! I thought of a billion others, but they weren't necessarily relevant to my electronics revo...
By: HavocRC

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Thu, 7 Feb 2013 09:54:29 PST
Auotmatic Street lights control using LDR and Arduino http://www.instructables.com/id/Auotmatic-Street-lights-control-using-LDR-and-Ardu/
Auotmatic Street lights control using LDR and Arduino - More DIY How To Projects]]> https://cdn.instructables.com/FKA/9V8B/IDCXJQAS/FKA9V8BIDCXJQAS.SQUARE2.jpg https://cdn.instructables.com/FKA/9V8B/IDCXJQAS/FKA9V8BIDCXJQAS.SQUARE.jpg https://cdn.instructables.com/FKA/9V8B/IDCXJQAS/FKA9V8BIDCXJQAS.SMALL.jpg TechPonder Automatic street light control is used to control the street lights(Turn on and off based on the light).Here we make use of LDR(Light Dependent Resistor) and LED(Light Emitting diode) and arduino.Hard Ware Components Required:1) LDR2)LED3)4.7k Resistor4)Bread Board5)Connecting wires6)ArduinoLDR is u...
By: TechPonder

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Sun, 16 Aug 2015 05:55:20 PDT
DC motor as a generator http://www.instructables.com/id/DC-motor-as-a-generator/
DC motor as a generator - More DIY How To Projects]]> https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SQUARE2.jpg https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SQUARE.jpg https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SMALL.jpg Husham Samir The DC motor is a ready made generator that will generate electricity. All that you have to do is turn the Axle of the generator using a mechanical outside source of energy . To show that I dismantled a damaged HP printer and take  the  DC motor that responsible for paper out shown in pictures and ...
By: Husham Samir

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Tue, 10 Jul 2012 09:10:03 PDT
Make Your Own LED Sign VU Meter http://www.instructables.com/id/Make-Your-Own-LED-Sign-VU-Meter/
Make Your Own LED Sign VU Meter - More DIY How To Projects]]> https://cdn.instructables.com/FNO/FGQW/INXGQIKR/FNOFGQWINXGQIKR.SQUARE2.jpg https://cdn.instructables.com/FNO/FGQW/INXGQIKR/FNOFGQWINXGQIKR.SQUARE.jpg https://cdn.instructables.com/FNO/FGQW/INXGQIKR/FNOFGQWINXGQIKR.SMALL.jpg GreatScottLab In this project I will show you how to create a custom LED sign that reacts to the loudness of your music, just like a VU meter does. Let's get started! Watch the video! The video gives you all information you need to build this project. But in the next steps you can find a parts list, schematic ...
By: GreatScottLab

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Sun, 8 May 2016 07:54:11 PDT
Basic 555 Timer LED Flasher Circuit http://www.instructables.com/id/Basic-555-Timer-LED-Flasher-Circuit/
Basic 555 Timer LED Flasher Circuit - More DIY How To Projects]]> https://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SQUARE2.jpg https://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SQUARE.jpg https://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SMALL.jpg concoctory From our build night sponsored by Jameco, this is a fairly basic and common 555 LED Flasher Circuit. Component values may be different but the basic function of a 555 IC is as an oscillator. Required Componenets 1 - 555 Timer IC 2 - 1kohm Resistors 1 - 470kohm Resistor 1 - LED of ...
By: concoctory

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Thu, 12 Sep 2013 20:59:21 PDT
High-Range Wireless Power http://www.instructables.com/id/High-Range-Wireless-Power/
High-Range Wireless Power - More DIY How To Projects]]> https://cdn.instructables.com/FSP/W7IW/IMRYHDAG/FSPW7IWIMRYHDAG.SQUARE2.jpg https://cdn.instructables.com/FSP/W7IW/IMRYHDAG/FSPW7IWIMRYHDAG.SQUARE.jpg https://cdn.instructables.com/FSP/W7IW/IMRYHDAG/FSPW7IWIMRYHDAG.SMALL.jpg Mei-MeiC Build a Wireless Power Transmission system that can power a light bulb or charge a phone from up to 2 feet away! This uses a resonant coil system to send magnetic fields from a transmitting coil to a receiving coil. We used this as a demo during a sermon on Maxwell's Four Great Equations at our ch...
By: Mei-MeiC

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Sat, 9 Apr 2016 20:12:17 PDT
2 cent TTL Level Shifter - connect a 3.3V Pi to 5V TTL serial device or Arduino and more... http://www.instructables.com/id/Pi-Cubed-How-to-connect-a-33V-Raspberry-Pi-to-a-5V/
2 cent TTL Level Shifter - connect a 3.3V Pi to 5V TTL serial device or Arduino and more... - More DIY How To Projects]]> https://cdn.instructables.com/FC0/IPV6/HLFUZFV4/FC0IPV6HLFUZFV4.SQUARE2.jpg https://cdn.instructables.com/FC0/IPV6/HLFUZFV4/FC0IPV6HLFUZFV4.SQUARE.jpg https://cdn.instructables.com/FC0/IPV6/HLFUZFV4/FC0IPV6HLFUZFV4.SMALL.jpg SuperTech-IT I will start out by noting that this instructable pertains only to TTL serial, and not RS232. It should serve well for any 2 devices that you need to have serial communications between that have TTL serial capability. Almost all the popular prototyping boards have TTL serial, but unfortunately, they...
By: SuperTech-IT

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Thu, 12 Sep 2013 08:31:14 PDT
The Ultimate 1 $ Emergency Light http://www.instructables.com/id/How-to-Make-1-Pocket-Emergency-Light/
The Ultimate 1 $ Emergency Light - More DIY How To Projects]]> https://cdn.instructables.com/FMK/UOWW/ILV8027Y/FMKUOWWILV8027Y.SQUARE2.jpg https://cdn.instructables.com/FMK/UOWW/ILV8027Y/FMKUOWWILV8027Y.SQUARE.jpg https://cdn.instructables.com/FMK/UOWW/ILV8027Y/FMKUOWWILV8027Y.SMALL.jpg geekrex In India There are many villages where there is no light , children can't study at nights.and this is not just in India,Every developing country have the same issues.There are many available products for solving the problem ,but the light output vs price is not that economical for a poor man. In Ind...
By: geekrex

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Thu, 17 Mar 2016 07:34:11 PDT
LED fading with a 555 timer http://www.instructables.com/id/LED-fading-with-a-555-timer/
LED fading with a 555 timer - More DIY How To Projects]]> https://cdn.instructables.com/FDQ/LVYI/I1GIK7VQ/FDQLVYII1GIK7VQ.SQUARE2.jpg https://cdn.instructables.com/FDQ/LVYI/I1GIK7VQ/FDQLVYII1GIK7VQ.SQUARE.jpg https://cdn.instructables.com/FDQ/LVYI/I1GIK7VQ/FDQLVYII1GIK7VQ.SMALL.jpg Artkun The 555 timer is one of the most widely known and simple integrated circuits (IC) on the market. It can be used in many ways using different modes (monostable, astable, and bistable) with each mode used to produce a specific effect. For this project, we're going to focus on using the 555 timer in as...
By: Artkun

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Sun, 19 Oct 2014 13:49:44 PDT
Shake Generator http://www.instructables.com/id/Shake-Generator/
Shake Generator - More DIY How To Projects]]> https://cdn.instructables.com/F96/9V56/IJUCLGCL/F969V56IJUCLGCL.SQUARE2.jpg https://cdn.instructables.com/F96/9V56/IJUCLGCL/F969V56IJUCLGCL.SQUARE.jpg https://cdn.instructables.com/F96/9V56/IJUCLGCL/F969V56IJUCLGCL.SMALL.jpg The Oakland Toy Lab This takes some shake to make! Time to make some light with the original shake weight, the piston generator. No batteries needed! Just some good old fashioned human power. This is one of my favorites for an introduction to electro-magnetism, and works great in concert with showing that electricity c...
By: The Oakland Toy Lab

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Mon, 25 Jan 2016 17:07:54 PST
A Complete Guide To Basic Electronics. http://www.instructables.com/id/A-Complete-Guide-To-Basic-Electronics/
A Complete Guide To Basic Electronics. - More DIY How To Projects]]> https://cdn.instructables.com/FM9/8K6P/FRD80FA4/FM98K6PFRD80FA4.SQUARE2.jpg https://cdn.instructables.com/FM9/8K6P/FRD80FA4/FM98K6PFRD80FA4.SQUARE.jpg https://cdn.instructables.com/FM9/8K6P/FRD80FA4/FM98K6PFRD80FA4.SMALL.jpg Cew27 The aim of this instcutable is to give a crash course in high school physics, by explaining the basics of electronics hopefully it should make it alot easier for beginners to undertake instructables that they never thought they knew how to before. as a quick start you will need to know : voltage is ...
By: Cew27

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Sat, 21 Feb 2009 05:59:24 PST
Micro-usb 30F Supercapacitor Flashlight http://www.instructables.com/id/Micro-usb-30F-Supercapacitor-Flashlight/
Micro-usb 30F Supercapacitor Flashlight - More DIY How To Projects]]> https://cdn.instructables.com/FGH/AEL6/IJ7WPTZL/FGHAEL6IJ7WPTZL.SQUARE2.jpg https://cdn.instructables.com/FGH/AEL6/IJ7WPTZL/FGHAEL6IJ7WPTZL.SQUARE.jpg https://cdn.instructables.com/FGH/AEL6/IJ7WPTZL/FGHAEL6IJ7WPTZL.SMALL.jpg supercondensateur This is an example of a supercapacitor flashlight that can be charged with a standard 1A smartphone charger.French people can find the entire description here :http://www.supercondensateur.com/lampe-torche-a-supercondensateur-avec-recharge-micro-usb You will need - perfboard- micro-usb connector-...
By: supercondensateur

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Sun, 10 Jan 2016 07:47:16 PST
Itty bitty Joule Thief http://www.instructables.com/id/Itty-Bitty-Joule-Thief/
Itty bitty Joule Thief - More DIY How To Projects]]> https://cdn.instructables.com/FLQ/BRTK/IJ8Z7F4M/FLQBRTKIJ8Z7F4M.SQUARE2.jpg https://cdn.instructables.com/FLQ/BRTK/IJ8Z7F4M/FLQBRTKIJ8Z7F4M.SQUARE.jpg https://cdn.instructables.com/FLQ/BRTK/IJ8Z7F4M/FLQBRTKIJ8Z7F4M.SMALL.jpg Victor805 A Joule Thief is a simple circuit that takes advantage of the inductive kickback produced by an inductive element (a wound toroid in this case) to step up the voltage. This extra voltage at the output of the circuit can be used to power devices which would not work with the input voltage alone. In t...
By: Victor805

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Mon, 11 Jan 2016 09:13:03 PST
Complete Guide for Tech Beginners http://www.instructables.com/id/Complete-Guide-for-Tech-Beginners/
Complete Guide for Tech Beginners - More DIY How To Projects]]> https://cdn.instructables.com/FWQ/MYX2/IHZ6VNDK/FWQMYX2IHZ6VNDK.SQUARE2.jpg https://cdn.instructables.com/FWQ/MYX2/IHZ6VNDK/FWQMYX2IHZ6VNDK.SQUARE.jpg https://cdn.instructables.com/FWQ/MYX2/IHZ6VNDK/FWQMYX2IHZ6VNDK.SMALL.jpg taifur Every starting is heard but if you have the motivation and strong determination you will be successful. Most of the students especially of the students of engineering want to build and make something. Practical experience of making something makes our learning perfect and help us to understand the r...
By: taifur

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Thu, 10 Dec 2015 09:44:47 PST
Adjustable constant current source 4mA to 3A http://www.instructables.com/id/Adjustable-constant-current-source-4mA-to-3A/
Adjustable constant current source 4mA to 3A - More DIY How To Projects]]> https://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SQUARE2.jpg https://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SQUARE.jpg https://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SMALL.jpg Jan_Henrik Hello, in this project i want to show you aadjustable constand current source, wich maximal current is 3A by 39V. This is a very usefull circuit, to light up power LEDs or heater, also it is a very cheap and tiny circuit, which is easy to build. For the project you need basic soldering skills and ba...
By: Jan_Henrik

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Tue, 17 Dec 2013 11:13:48 PST
Power Supply unit for arduino power and breadboard http://www.instructables.com/id/Power-Supply-For-Arduino-power-and-breadboard/
Power Supply unit for arduino power and breadboard - More DIY How To Projects]]> https://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE2.jpg https://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE.jpg https://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SMALL.jpg Avadhut.Deshmukh how you can take a computer u hv old (power supply unit) and turn it into a power supply that will power your Arduino and give you all the amperage  you need as well as your standard 3.3 volts, 5 volts, and 12 volts for any accessories/electronics used on your breadboard And arduino power ,led 5v,12...
By: Avadhut.Deshmukh

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Mon, 16 Apr 2012 01:23:58 PDT
Water Level Indicator with Alarm http://www.instructables.com/id/Water-Level-Indicator-with-Alarm-1/
Water Level Indicator with Alarm - More DIY How To Projects]]> https://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SQUARE2.jpg https://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SQUARE.jpg https://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SMALL.jpg Er Varun Goyal Today I am going to talk about a very useful project that I had taken up. It is called the Water Level Indicator. Nowadays everybody has overhead tank at their homes. But everyone who has a water tank above knows the kind of problems that they face. Firstly there is no system to track the water in t...
By: Er Varun Goyal

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Thu, 26 Dec 2013 09:54:15 PST
Throbbing/Fading/Flashing LED with 555 Timer http://www.instructables.com/id/ThrobbingFading-LED-with-555-Timer/
Throbbing/Fading/Flashing LED with 555 Timer - More DIY How To Projects]]> https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SQUARE2.jpg https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SQUARE.jpg https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SMALL.jpg MrBeta This tiny circuit is a simple way to make a fading led without having to program chips or writing code. Just a few simple components and you're ready to fade all day. The end result is a constant fade up and fade down just like a Mac on standby. Try it! See how small you can build it. If you like it...
By: MrBeta

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Thu, 16 Jul 2009 18:47:50 PDT
DIY Laser Tag System (Revamped) http://www.instructables.com/id/DIY-Laser-tag-system-from-simple-to-complex/
DIY Laser Tag System (Revamped) - More DIY How To Projects]]> https://cdn.instructables.com/F11/N7EQ/GLK0TJB6/F11N7EQGLK0TJB6.SQUARE2.jpg https://cdn.instructables.com/F11/N7EQ/GLK0TJB6/F11N7EQGLK0TJB6.SQUARE.jpg https://cdn.instructables.com/F11/N7EQ/GLK0TJB6/F11N7EQGLK0TJB6.SMALL.jpg MacDynamo    Here's one of those classic games you probably played with your friends as a kid at birthday parties, mock-up military training, or just hanging out with your buds. You probably play this with your friends still, but it's a pain to keeping paying to get only a few minutes of shoot-em-up fun. Why ...
By: MacDynamo

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Thu, 15 Apr 2010 19:26:14 PDT
Simple Blinking LED Circuit http://www.instructables.com/id/Simple-Blinking-LED-Circuit/
Simple Blinking LED Circuit - More DIY How To Projects]]> https://cdn.instructables.com/FWD/8T8Z/I6NIEY3Z/FWD8T8ZI6NIEY3Z.SQUARE2.jpg https://cdn.instructables.com/FWD/8T8Z/I6NIEY3Z/FWD8T8ZI6NIEY3Z.SQUARE.jpg https://cdn.instructables.com/FWD/8T8Z/I6NIEY3Z/FWD8T8ZI6NIEY3Z.SMALL.jpg tmichlovitch A very simple circuit that you can build to blink or flash LEDs. The circuit is built using transistors, resistors, capacitors, and LEDs. Of course you will need a breadboard, wire jumpers, and a power source. The parts list includes: PNP Transistor, P/N 2907A, qty: 2 Resistor, value ...
By: tmichlovitch

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Sun, 1 Mar 2015 16:05:48 PST
LED Scolling Dot Matrix Font & Graphics Generator 5x8 5x7 8x8 http://www.instructables.com/id/LED-Scolling-Dot-Matrix-Font-Graphics-Generator-/
LED Scolling Dot Matrix Font & Graphics Generator 5x8 5x7 8x8 - More DIY How To Projects]]> https://cdn.instructables.com/FLN/05VC/G68HDRBT/FLN05VCG68HDRBT.SQUARE2.jpg https://cdn.instructables.com/FLN/05VC/G68HDRBT/FLN05VCG68HDRBT.SQUARE.jpg https://cdn.instructables.com/FLN/05VC/G68HDRBT/FLN05VCG68HDRBT.SMALL.jpg roznerd If you are into geeking it out with projects of the electronical kind, then you have likely wanted to create a dot matrix display or a POV. To do this you will need to have a font file or table to read the characters from. There are alot of ways to get this file. The common sizes of displays are ...
By: roznerd

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Tue, 9 Feb 2010 16:35:12 PST
Change led color on the Logitech G502 http://www.instructables.com/id/Change-led-color-on-the-Logitech-G502/
Change led color on the Logitech G502 - More DIY How To Projects]]> https://cdn.instructables.com/FMV/PBAQ/I1TR3X08/FMVPBAQI1TR3X08.SQUARE2.jpg https://cdn.instructables.com/FMV/PBAQ/I1TR3X08/FMVPBAQI1TR3X08.SQUARE.jpg https://cdn.instructables.com/FMV/PBAQ/I1TR3X08/FMVPBAQI1TR3X08.SMALL.jpg kondrez If you own the G502 from Logitech you know how good this mouse is. However it lacks the possibility to change led colors so that it matches your other stuff like keyboard,case lighting or gamepad lighting. If you are like me and want things to match then this is how to do it. What do you need • ...
By: kondrez

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Wed, 29 Oct 2014 16:50:10 PDT
41 LED Flasher Circuit using 555 IC http://www.instructables.com/id/41-LED-Flasher-Circuit-using-555-IC/
41 LED Flasher Circuit using 555 IC - More DIY How To Projects]]> https://cdn.instructables.com/FPK/54L2/CYTEPLK0EV4/FPK54L2CYTEPLK0EV4.SQUARE2.jpg https://cdn.instructables.com/FPK/54L2/CYTEPLK0EV4/FPK54L2CYTEPLK0EV4.SQUARE.jpg https://cdn.instructables.com/FPK/54L2/CYTEPLK0EV4/FPK54L2CYTEPLK0EV4.SMALL.jpg supes I made this as a quick project I made to use a lot of the LEDs I recently got. It basically connects via a 555 8 pin IC and allows for adjusting the time between the flashings by changing the resistor or capacitor values. It provides for a cool looking effect in a dark room. Use your favorite color ...
By: supes

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Sat, 15 Jul 2006 13:05:21 PDT
Dark Sensor ( light sensor / automatic street light ) http://www.instructables.com/id/Dark-Sensor-light-sensor-automatic-street-light-/
Dark Sensor ( light sensor / automatic street light ) - More DIY How To Projects]]> https://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE2.jpg https://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE.jpg https://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SMALL.jpg Er Varun Goyal Here is my new simple Electronics project about  Automatic Street Light Control System or Dark Sensor. it is a simple and powerful concept , which uses transistor ( BC 547 NPN) as a switch to switch ON and OFF the street light system automatically . It automatically switches ON lights when the sunl...
By: Er Varun Goyal

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Fri, 27 Dec 2013 07:48:26 PST
LUX - an external power button http://www.instructables.com/id/LUX-an-external-power-button/
LUX - an external power button - More DIY How To Projects]]> https://cdn.instructables.com/FWR/B5KD/ICM6ZM6C/FWRB5KDICM6ZM6C.SQUARE2.jpg https://cdn.instructables.com/FWR/B5KD/ICM6ZM6C/FWRB5KDICM6ZM6C.SQUARE.jpg https://cdn.instructables.com/FWR/B5KD/ICM6ZM6C/FWRB5KDICM6ZM6C.SMALL.jpg PerfectPixel It's a lazy afternoon, and you sit down to turn your computer on, you either: a) you have to bend down and press the power button, or b) you have a laptop - this isn't for you.Especially where my (desktop) computer is located; under my desk and out of sight; bending down to press that power button i...
By: PerfectPixel

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Mon, 27 Jul 2015 14:44:09 PDT
VU Meter Speakers http://www.instructables.com/id/VU-Meter-Speakers/
VU Meter Speakers - More DIY How To Projects]]> https://cdn.instructables.com/FBA/60M8/IC6IHKCG/FBA60M8IC6IHKCG.SQUARE2.jpg https://cdn.instructables.com/FBA/60M8/IC6IHKCG/FBA60M8IC6IHKCG.SQUARE.jpg https://cdn.instructables.com/FBA/60M8/IC6IHKCG/FBA60M8IC6IHKCG.SMALL.jpg IamTeknik A VU meter is a standard measuring instrument which measures volume in audio equipment. If you open up your recording devices on Windows, you can see a digital Volume Unit (VU) meter which shows the audio level. You get analog and digital displays and each level is typically marked off with a dB val...
By: IamTeknik

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Sat, 18 Jul 2015 20:34:42 PDT
Taking Basic Electronics to the Internet (IoT) http://www.instructables.com/id/Taking-Basic-Electronics-to-the-Internet-IoT/
Taking Basic Electronics to the Internet (IoT) - More DIY How To Projects]]> https://cdn.instructables.com/FR4/OT9O/ICBRWZ54/FR4OT9OICBRWZ54.SQUARE2.jpg https://cdn.instructables.com/FR4/OT9O/ICBRWZ54/FR4OT9OICBRWZ54.SQUARE.jpg https://cdn.instructables.com/FR4/OT9O/ICBRWZ54/FR4OT9OICBRWZ54.SMALL.jpg LightBug After experimenting and having fun with IoT using a Spark Core, I realized I could add a series of tutorials up on Instructables. So this instructable is the first of a series of instructables, in which I'm going to show you how to connect your everyday electronics to the internet. The micro-control...
By: LightBug

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Mon, 20 Jul 2015 06:27:43 PDT
Automatic LED night light (Using 555 timer) http://www.instructables.com/id/Automatic-LED-night-light-Using-555-timer/
Automatic LED night light (Using 555 timer) - More DIY How To Projects]]> https://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SQUARE2.jpg https://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SQUARE.jpg https://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SMALL.jpg Jayesh Jayesh Gently got power cut !And you finding your torch in the DARK !!! Ohh...No worry, here is the automatic dark detected led light. Parts You Need * 1M resistor* 1K resistor* 10 resistor* LDR (light dependant resistor)* Red led (2ma)* 1W white led* BC338 transistor* 555 timer IC* DC socketNote: Use d...
By: Jayesh Jayesh

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Wed, 10 Jun 2015 12:37:56 PDT
Make A Joule Thief Coil Without A Ferrite Toroid http://www.instructables.com/id/Make-A-Joule-Thief-Coil-Without-A-Ferrite-Toroid/
Make A Joule Thief Coil Without A Ferrite Toroid - More DIY How To Projects]]> https://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE2.jpg https://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE.jpg https://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SMALL.jpg El Mano There are many different articles and videos to be found online that will teach you how to build a Joule Thief circuit and power LEDs off of dead batteries. Most of them, however, call for some form of coil made using a ring, or toroid, made of ferrite. This can be rather daunting to newcomers to ...
By: El Mano

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Wed, 3 Jun 2015 16:06:41 PDT
LED Music Visualizer with Zybo Board http://www.instructables.com/id/LED-Music-Visualizer-with-Zybo-Board/
LED Music Visualizer with Zybo Board - More DIY How To Projects]]> https://cdn.instructables.com/F21/81XW/IAEJMNIR/F2181XWIAEJMNIR.SQUARE2.jpg https://cdn.instructables.com/F21/81XW/IAEJMNIR/F2181XWIAEJMNIR.SQUARE.jpg https://cdn.instructables.com/F21/81XW/IAEJMNIR/F2181XWIAEJMNIR.SMALL.jpg jtdykstra This tutorial will describe how to make an LED Music Visualizer using the Zybo Zynq 7000 Development board from Xilinx. The Zybo is pretty awesome because it has both an FPGA and an ARM Processor on the board. Because of this, custom hardware accelerators can be designed on the FPGA to aid the proce...
By: jtdykstra

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Mon, 1 Jun 2015 23:43:54 PDT
Arduino-Programmable LED Infinity Mirror http://www.instructables.com/id/Arduino-Programmable-LED-Infinity-Mirror/
Arduino-Programmable LED Infinity Mirror - More DIY How To Projects]]> https://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SQUARE2.jpg https://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SQUARE.jpg https://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SMALL.jpg jjahn3 Are you tired of looking at room elements that appear to have finite depth?Maybe you should consider building your own Arduino-Programmable LED Infinity Mirror!This optical illusion is an eye-catcher and offers lots of room for customization and cool programming. Additionally, at the end plans are i...
By: jjahn3

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Sat, 16 May 2015 00:01:53 PDT
How to use a potentiometer as a voltage divider. http://www.instructables.com/id/How-to-use-a-potentiometer-as-a-voltage-divider/
How to use a potentiometer as a voltage divider. - More DIY How To Projects]]> https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE2.jpg https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE.jpg https://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SMALL.jpg bweaver6 Hello and WelcomeThis Instructable is going to be short and sweet. I would like to share with you the power of potentiometers. A simple component that can be used as a voltage divider. You may be saying to yourself, "Duh, everyone knows that!" Well, unfortunately, this simple concept escaped many of...
By: bweaver6

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Thu, 14 May 2015 19:46:42 PDT
Build a Simple Circuit from a Pizza Box (No Soldering) http://www.instructables.com/id/Build-a-Simple-Circuit-from-a-Pizza-Box-No-Solder/
Build a Simple Circuit from a Pizza Box (No Soldering) - More DIY How To Projects]]> https://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SQUARE2.jpg https://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SQUARE.jpg https://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SMALL.jpg matt.e.jenkins I learn best through tactile teaching methods.  Teaching and learning basic circuits, electronics, and electricity from books is good, but why not build a simple circuit from scratch and learn from doing.  This is a great way to get hands on and teach/learn the basics of electricity.  With this proj...
By: matt.e.jenkins

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Tue, 6 Dec 2011 13:47:25 PST
Fading RGB Keyboard Light http://www.instructables.com/id/Fading-RGB-Keyboard-Light/
Fading RGB Keyboard Light - More DIY How To Projects]]> https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE2.jpg https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE.jpg https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SMALL.jpg PopsicleGhoul Old electronics are widely available and can usually be recycled into cool gadgets and incorporated into other projects. This Instructable will go through the process of using an old scanner to make a fading rainbow keyboard light. The inspiration for this project came when I was playing with the ...
By: PopsicleGhoul

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Fri, 1 May 2015 14:00:14 PDT
battery clip LED tester. http://www.instructables.com/id/battery-clip-LED-tester/
battery clip LED tester. - More DIY How To Projects]]> https://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE2.jpg https://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE.jpg https://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SMALL.jpg MakerBox have you ever put together a circuit and after finishing you find your LED doesn't work? well with this Instructable that will never happen again! I present to you the Battery clip LED tester. Components: Components: female header pins 1k resistorperfboard9v battery clipTools: soldering ironsolde...
By: MakerBox

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Sun, 19 Apr 2015 06:09:38 PDT
Emergency Lighting System http://www.instructables.com/id/Emergency-Lighting-System/
Emergency Lighting System - More DIY How To Projects]]> https://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE2.jpg https://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE.jpg https://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SMALL.jpg DIY Hacks and How Tos Many people keep a supply of candles and flashlights on hand for when the power goes out. But you still have to find your way around in the dark to get them. In situations like this, it might be helpful to have some kind of emergency lighting system that would automatically turn on when the power go...
By: DIY Hacks and How Tos

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Mon, 30 Mar 2015 12:29:13 PDT
LED Lamp With Sleep Timer http://www.instructables.com/id/LED-Lamp-With-Sleep-Timer/
LED Lamp With Sleep Timer - More DIY How To Projects]]> https://cdn.instructables.com/FP1/V7FK/I7C80INS/FP1V7FKI7C80INS.SQUARE2.jpg https://cdn.instructables.com/FP1/V7FK/I7C80INS/FP1V7FKI7C80INS.SQUARE.jpg https://cdn.instructables.com/FP1/V7FK/I7C80INS/FP1V7FKI7C80INS.SMALL.jpg DIY Hacks and How Tos Light plays an important role in sleep. Bright lights keep us awake and dim lights help us get to sleep. One of the best tricks for getting to sleep is to start turning off lights before you actually go to bed. By gradually reducing the amount of light, it helps you to more gently and easily fall as...
By: DIY Hacks and How Tos

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Mon, 16 Mar 2015 12:06:20 PDT
900 LED display http://www.instructables.com/id/900-LED-display/
900 LED display - More DIY How To Projects]]> https://cdn.instructables.com/FH5/FP12/I6W2SWWD/FH5FP12I6W2SWWD.SQUARE2.jpg https://cdn.instructables.com/FH5/FP12/I6W2SWWD/FH5FP12I6W2SWWD.SQUARE.jpg https://cdn.instructables.com/FH5/FP12/I6W2SWWD/FH5FP12I6W2SWWD.SMALL.jpg brmarcum It's very common for tech companies to have booths at trade shows to show off what they have and how their products can benefit your application, and Digilent is no exception. With the ECEDHA conference coming up, Digilent Marketing Director Larissa Swanland decided we needed something big and flash...
By: brmarcum

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Wed, 4 Mar 2015 16:27:07 PST
Solar Arc Reactor http://www.instructables.com/id/Solar-Arc-Reactor/
Solar Arc Reactor - More DIY How To Projects]]> https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SQUARE2.jpg https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SQUARE.jpg https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SMALL.jpg BlondeJamesDean The idea of Iron Man's infinite power Arc Reactor is awe-inspiring and led me to create the next best thing..a solar Arc Reactor night light! How it works The solar cell charges a lithium ion battery during the day and at night the LED Arc Reactor style ring switches on.The circuit uses a LDR esp...
By: BlondeJamesDean

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Sat, 14 Feb 2015 10:49:56 PST
Interactive LED Beer Pong Table 2.0 (BPT X5) http://www.instructables.com/id/Interactive-LED-Beer-Pong-Table-20/
Interactive LED Beer Pong Table 2.0 (BPT X5) - More DIY How To Projects]]> https://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE2.jpg https://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE.jpg https://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SMALL.jpg Regax Due to popular demand, I have created a new and improved version of my original Interactive LED Beer Pong Table! These tables are one-of-a-kind projects that are quite rewarding to create! The original table won the grand prize in the FSL Contest here on Instructables, it won a s...
By: Regax

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Tue, 31 Mar 2015 01:46:30 PDT
Non Soldering Solar Lantern http://www.instructables.com/id/Non-Soldering-Solar-Lantern/
Non Soldering Solar Lantern - More DIY How To Projects]]> https://cdn.instructables.com/F0I/FO1P/I5P7JERS/F0IFO1PI5P7JERS.SQUARE2.jpg https://cdn.instructables.com/F0I/FO1P/I5P7JERS/F0IFO1PI5P7JERS.SQUARE.jpg https://cdn.instructables.com/F0I/FO1P/I5P7JERS/F0IFO1PI5P7JERS.SMALL.gif BrownDogGadgets Outdoor solar lighting has become extremely popular in the past few years, yet how many people do you know that can explain how it works? Luckily solar is a super simple power source which we can use alongside some simple electrical tricks to make a fun project. This non soldering version is perfe...
By: BrownDogGadgets

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Tue, 3 Feb 2015 09:42:10 PST
Easy And Cheapest Way to Fix LCD TV Backlight. http://www.instructables.com/id/Easy-And-Cheapest-Way-to-Fix-LCD-TV-Backlight/
Easy And Cheapest Way to Fix LCD TV Backlight. - More DIY How To Projects]]> https://cdn.instructables.com/FGM/HR6S/I5JHQMW7/FGMHR6SI5JHQMW7.SQUARE2.jpg https://cdn.instructables.com/FGM/HR6S/I5JHQMW7/FGMHR6SI5JHQMW7.SQUARE.jpg https://cdn.instructables.com/FGM/HR6S/I5JHQMW7/FGMHR6SI5JHQMW7.SMALL.jpg J_K_Official Requirement_LCD TVTools to disassemble LCDSMD LED Non-Waterproof Flexible Strips 5050 DC12VWires,Powder & Soldering Iron Disassemble LCD TV Full disassemble LCD TV To Replace Backlight Using Tools. Work With SMD LED 5050 12v Divide As your requirement !Here i am using 22" LCD Display which Req...
By: J_K_Official

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Sun, 25 Jan 2015 06:48:15 PST