Instructables: exploring - technology - electronics - led - popular Wed, 26 Nov 2014 07:13:18 PST BLOX v1.01 Junk Mail Hack
Junk Mail Hack - More DIY How To Projects]]> Volthaus Electronics Laboratory I received some junk mail the other day and it had a little plastic box sticky gummed to a large postcard-like piece of mail. Supposedly I could pull the plastic strip from the box and it would display my winning number to get a discount on buying a car. I don't own a car (by design) so I wasn't int...
By: Volthaus Electronics Laboratory

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Tue, 18 Nov 2014 20:47:24 PST
Computer aided plant care system
Computer aided plant care system - More DIY How To Projects]]> Akin Yildiz hello everybody,UPDATE 10/25/2014: Planterbot-The-Plant-Monitoring-Robot/ ( big thanks to appleman123987 !!! ).this is an update to my previous post, "easy & cheap auto-grow system" - which didn't have the computer on it yet (please read as well to get up to speed) this instructabl...
By: Akin Yildiz

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Sun, 19 Oct 2014 09:45:57 PDT
Solar Science Station
Solar Science Station - More DIY How To Projects]]> JoshuaZimmerman Solar activities are interesting to learn about and explore, but are often seen as a tad dull and lifeless. Wind Turbines move, hydro-electric plants have gushing water, hand crank generators require muscle, and solar just... kind of sits there. Like a cat in a beam of sunlight, generating solar e...
By: JoshuaZimmerman

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Tue, 7 Oct 2014 13:17:03 PDT
Projector led lamp 100w
Projector led lamp 100w - More DIY How To Projects]]> moromete Convert a projector in my case (Sanyo PLV-Z1) from classical lamp to LED lamp Replacing the original lamp ballast with LED power source Source for 100w led matrix and led matrix itself I ordered them from ebay. Original lamp ballast and power source for LED are about the same size in my project...
By: moromete

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Fri, 12 Sep 2014 07:10:35 PDT
All You Need to Know About LEDs
All You Need to Know About LEDs - More DIY How To Projects]]> Jonathanrjpereira IMAGES: LEDs.A Light Emitting Diode is an electronic device that emits light when current is passed through it. LEDs are small, extremely efficient, bright, cheap, electronic components. People think that LEDs are just common light emitting components & tend to overlook the Interesting Facts & Featu...
By: Jonathanrjpereira

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Mon, 18 Aug 2014 05:30:18 PDT
Simple Led driver/Constant-current source 20 mA
Simple Led driver/Constant-current source 20 mA - More DIY How To Projects]]> Jan_Henrik Hello, in this project i want to show you how to make a constant-current source which gives 20mA at the output. Its also known as LEd driver, because many leds need 20 mA to light up. The input of the constant-current source can be between 5V and 15V DC, what is realy usefull for variable voltage so...
By: Jan_Henrik

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Tue, 12 Nov 2013 10:15:25 PST
Easy Under-Cabinet Lighting
Easy Under-Cabinet Lighting - More DIY How To Projects]]> brmarcum My apartment has terrible lighting in the kitchen. There is one big fluorescent light on the ceiling and then the two lights over the stove from the vent hood. The problem is that there is a big dead space on the counter near the sink where there isn't any good light. So I made an under-cabinet ligh...
By: brmarcum

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Fri, 20 Jun 2014 02:28:12 PDT
DIY SOLAR FLASHLIGHT - More DIY How To Projects]]> kris754a I built this flashlight so i would have one that used sunlight and didn't require any batteries. When fully charged it can stay lit in approx 30 minutes. What you will need The circuit Putting on the solar panel Add the capacitors Mounting the switch Mounting the LED's Conn...
By: kris754a

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Wed, 18 Jun 2014 05:42:18 PDT
Voltage doubler for wind generators
Voltage doubler for wind generators - More DIY How To Projects]]> florlayamp I built this circuit in hopes that the wind generator i'm working on will have less rpm's to spin to get the voltage I need to charge batteries or run lights on wind that blows. It's a really simple circuit that has only a few components, mainly a rectifier to convert the a/c voltage my stepper mo...
By: florlayamp

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Mon, 16 Jun 2014 22:43:32 PDT
Window to the Night (Night Vision) mackintoshlinessless The idea of having a night vision device as a child was unthinkable! Only a few years ago, instructions came out on the internet to make this child-hood fantasy a reality. I decided to make my own! This instructable below won't go into detail on the makings (there are numerous sources and dedicated ...
By: mackintoshlinessless

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Sun, 1 Jun 2014 20:37:19 PDT
Rainbow Ring Wall Clock
Rainbow Ring Wall Clock - More DIY How To Projects]]> Greeegification I don't know what it is about clocks and watches, but it seems that every second projects is one form of the two. This project follows along in the footsteps too. I have made smaller clocks before, but nothing of the scale of a typical wall clock. This is due mainly to the high price of fabricatin...
By: Greeegification

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Sun, 4 May 2014 08:42:25 PDT
Wake Up Light 10+ Watt LED
Wake Up Light 10+ Watt LED - More DIY How To Projects]]> The Freak This instructables is an extention of the Sunrise Alarm Clock by Credits for the original idea and circuit go to that member. I merely adapted it to my needs and materials at hand. The ...
By: The Freak

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Tue, 8 Apr 2014 17:01:53 PDT
Let's learn about Super Capacitors! (A Practical Guide To Super Capacitors)
Let's learn about Super Capacitors! (A Practical Guide To Super Capacitors) - More DIY How To Projects]]> EngineeringShock Hi Instructables Community!   CHECK OUT OUR SUPER CAPACITOR FLASHLIGHT KICKSTARTER CAMPAIGN:                                                     LET'S TALK ABOUT SUPER CAPACITORS! Thanks for l...
By: EngineeringShock

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Fri, 24 Jun 2011 14:15:02 PDT
Reverse Engineering
Reverse Engineering - More DIY How To Projects]]> Josehf Murchison Many of the members here at Instructables ask about datasheets or pin outs of a device or display in answers, unfortunately you cant always get a datasheet and schematics, in these cases you only have one choice reverse engineering. Reverse engineering is a skill that is not taught in college or un...
By: Josehf Murchison

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Sat, 22 Feb 2014 22:36:31 PST
LED Paper Flower
LED Paper Flower - More DIY How To Projects]]> gitterbug23 A simple paper flower with LED center.  This single flower can be duplicated to make a whole bouquet of LED flowers! Materials I used things I found around my workshop.  Nothing too fancy, as I was only trying to test the design.  But now that I know it works, I'd really branch out and use some t...
By: gitterbug23

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Wed, 5 Feb 2014 19:59:24 PST
DIY littleBits
DIY littleBits - More DIY How To Projects]]> JackANDJude Let's make DIY littleBits! For original circuits, visit Thanks for visiting! Sept, 2014: Vote for modules I submitted to littleBits by visiting I will be adding more steps to this instructable every time I manage to make another DIY littleBit. So come back oft...
By: JackANDJude

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Fri, 31 Jan 2014 10:20:43 PST
Balloonacy! - An Interactive Balloon Immersion
Balloonacy! - An Interactive Balloon Immersion - More DIY How To Projects]]> zisiadis Balloonacy! is the concept for an interactive balloon immersion. Thousands of Balloons + Motion Sensitive LEDS = Lots of Fun. It was an experience I created in San Francisco in May 2012 along with collaborators Isaac Shivvers and Will Skinner. It was funded through a $1,000 grant from the Awesome ...
By: zisiadis

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Tue, 21 Jan 2014 13:18:00 PST
4×4×4 Led Cube
4×4×4 Led Cube - More DIY How To Projects]]> pbajusz I hope, this project will help you to make something interesting. Tools: -Sprint Layout 6.0 (circuit designer) -Iron -Copper clad circuit board -Printer -Thermal heat transfer paper -Hydrochloric acid -Hydrogen peroxide -Drilling machine -Laser printer Cube tools: -64 Leds -2 status leds -Max232, ...
By: pbajusz

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Wed, 15 Jan 2014 05:29:01 PST
Piezoelectric Energy Harvester
Piezoelectric Energy Harvester - More DIY How To Projects]]> rtingley **Patent Pending - United States 61928067** Introduction What is piezoelectric energy harvesting? Piezoelectricity translates to “electricity from pressure.”  The prefix piezo in Greek means to press or squeeze.  Piezoelectric materials exhibit the piezoelectric effect.  This allows a mechanical f...
By: rtingley

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Sun, 9 Jun 2013 21:20:08 PDT
Scales for analphabetic people
Scales for analphabetic people - More DIY How To Projects]]> janw For my dayjob, I work with people who have physical and mental disabilities. Some of these people are also analphabetic and that can sometimes cause problems for the work they have to do. One of the jobs they do is repackaging sweets. The problem is that repackaging sweets is always based on weight ...
By: janw

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Mon, 16 Dec 2013 13:41:59 PST
4X4X4 LED Cube w/ Arduino Uno
4X4X4 LED Cube w/ Arduino Uno - More DIY How To Projects]]> laurenk As someone who is very new to digital electronics this LED cube was fun to make, challenging and a great lesson in soldering. If you have some patience (64 LED's to solder!) and steady hands, this project will be well worth it in the end! Materials & Tools Materials: -64 LED's ( I used 3mm one...
By: laurenk

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Fri, 13 Dec 2013 23:25:54 PST
Meditation Mandala
Meditation Mandala - More DIY How To Projects]]> eliz_julia Hi! We are Eliz and Julia. We are both graduate students in Products of Design at the School of Visual Arts. Being a student in NYC can sometimes be stressful. We needed to remind ourselves to breathe so we created a mediation mandala lamp that's powered by breath. The light changes colors as you in...
By: eliz_julia

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Mon, 9 Dec 2013 12:12:33 PST
Convert Square LED Arcade Buttons to RGB
Convert Square LED Arcade Buttons to RGB - More DIY How To Projects]]> drewmutt So, I see you sitting there saying to yourself: "Self, I sure would like me some nice and clicky buttons. But (with expensive exceptions) they all seem to be just one stinkin' color!"  Well, that's until now! Parts I made this with a button I got from Adafruit, but I would imagine the concep...
By: drewmutt

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Wed, 27 Nov 2013 18:04:45 PST
Blinking LEDs to the Frequency of Music
Blinking LEDs to the Frequency of Music - More DIY How To Projects]]> dwang4 Hey guys, in this tutorial I will be showing you exactly how I set up my Arduino board to take a standard audio input and then flash a set of LEDs based on the frequency of the music playing. Here's a short video of it in action: YouTube Materials Needed Here's a list of what materials you nee...
By: dwang4

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Sun, 17 Nov 2013 10:26:49 PST
RGB LED Strip Controller
RGB LED Strip Controller - More DIY How To Projects]]> Antzy Carmasaic This is a remote-controlled multicolour LED-Strip controller box I made for a friend. We planned to install subtle lighting inside his car for which we got a tiny controller box + remote with the multicolour LED Strips. Unluckily, we couldn't open the door panels for wiring and had to take aid fr...
By: Antzy Carmasaic

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Sat, 9 Nov 2013 08:08:07 PST
Fun circuits with conductive paint
Fun circuits with conductive paint - More DIY How To Projects]]> Paulbacca This instructable will show you how to make simple fun electronic circuits. However my objective here is mostly to demonstrate how kids can have fun making and learning about electronics at the same time. I will be using a new product from a company called Bare Conductive that have recently release...
By: Paulbacca

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Tue, 29 Oct 2013 11:03:24 PDT
Thankful donation jar taipeihackerspace This instructable is part of the August Build Night with Jameco at the Taipei Hackerspace. During that event we were making circuits around the 555 timer IC, one basic and fun element of the electronics hacker repertoire, that have a lot of uses and very valuable to know its operation in general. W...
By: taipeihackerspace

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Wed, 21 Aug 2013 20:07:50 PDT
Shake it like a Tic-Tac!!/
Shake it like a Tic-Tac! - More DIY How To Projects]]> MrMunki Rechargeable led flashlight powered by magnets housed in the obligatory mints container. Parts PARTS: 150 ft. 30 gauge enamel-coated magnet wire 4 1/8" rare earth magnets 4 rectifier diodes (IN4007 MIC) Resistor (22 ohm) White led Switch Some sort of small rechargeable batteries Ballpoint pen ...
By: MrMunki

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Sat, 30 Sep 2006 21:42:00 PDT
My First Circuit: A Blinking LED
My First Circuit: A Blinking LED - More DIY How To Projects]]> DragonDon I am really thankful for Instructables and JameCo for the opportunity to learn an be part of such an awesome community! When I received my bag of goodies, I had no idea what to do with them. I did know that LEDs would be involved add there were quite a few of them. I also learned a little bit about...
By: DragonDon

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Thu, 29 Aug 2013 06:40:36 PDT
Stop Time with an LED Stroboscope!
Stop Time with an LED Stroboscope! - More DIY How To Projects]]> LargeMouthBass A stroboscope is a tool which uses a bright flashing light to allow a user to view objects which are rapidly moving in a periodic manner. When the frequency of the flashing light is matched to the speed of the object, the object can appear to be stationary. Stroboscopes are commonly used to examine...
By: LargeMouthBass

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Thu, 29 Sep 2011 09:48:33 PDT
DIY portable LED strobe
DIY portable LED strobe - More DIY How To Projects]]> DOT. I and my friends like to have fun in summer. We like to fool around with music when we are camping. To make those parties more likely to professional ones I have made portable 9V LED strobe. For my surprise it really gives a big effect. I hope you will like it! Lights! Camera! Action! Too...
By: DOT.

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Mon, 22 Jul 2013 14:49:56 PDT
Upgrade your switch to LED
Upgrade your switch to LED - More DIY How To Projects]]> kondzio29 Light up your switch with LED! Replace the lightbulb inside with LED and use it with 3V  circuits! There is also a plenty of benefits of using LED in the switch. Go and check first step! Parts you'll need to convert your switch and why do you want to do it. Why do you want to use LED instead of ...
By: kondzio29

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Fri, 12 Jul 2013 11:19:04 PDT
Solar Powered Owl Blinky LED Pendant Jewelry
Solar Powered Owl Blinky LED Pendant Jewelry - More DIY How To Projects]]> lumenjewelry This instructable is for solar powered Owl with amber LEDs for eyes.  It measures about 2" by 1.25", including the USB tab.  It has one hole through the top of the board, making hanging easy.  Wear it as a necklace, earrings, bond on a pin, or hang it in a window.  The possibilities are up to you, a...
By: lumenjewelry

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Wed, 15 May 2013 19:41:04 PDT
PowerTube Vr. 1 for bicycle headlight
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> frapedia Recently purchased one of those bicycle lights using the XML T6 LED x3. Came with a 18650 8.4v 6400mAh Battery Pack and a Pouch with Velcro. The headlight has a voltage status function via a multi color LED but to be honest i am not satisfy with what function so i decided to add a voltage meter....
By: frapedia

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Sat, 11 May 2013 15:43:09 PDT
Semi Conducting - A Guide
Semi Conducting - A Guide - More DIY How To Projects]]> Inducktion WORD OF WARNING, THIS IS LONG. --------------------------------------------------------------------------------------------------------------------------------- Anyway, Electronics, as stated before by many of my comrades around the globe, have all become the most important things in our daily live...
By: Inducktion

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Wed, 13 Apr 2011 14:01:06 PDT
How to use a breadboard
How to use a breadboard - More DIY How To Projects]]> shams A breadboard also known as protoboard is a type of solderless electronic circuit building.You can build a electronic circuit on a breadboard without any soldering ! Best of all it is reusable. It was designed by Ronald J Portugal of EI Instruments Inc. in 1971. Building or prototyping circuits on a...
By: shams

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Fri, 10 Feb 2012 04:19:20 PST
Small Joule Thief bananagirl I saw a tiny joule thief here:  I wanted to replicate the size, but leave the application open for use in different projects.  By following this excellent instructable: I was able to fit my circuit inside a 5x5 sq...
By: bananagirl

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Sun, 31 Mar 2013 10:19:41 PDT
Controlling a SaikoLED myki (or Arduino Leonardo) with a Simple Button Box -- using the ICSP header
Controlling a SaikoLED myki (or Arduino Leonardo) with a Simple Button Box -- using the ICSP header - More DIY How To Projects]]> dmt Welcome! Today we're going to explain how to build a controller with 3 buttons that connects directly to an Arduino Leonardo-compatible board--in this case, the myki light from SaikoLED. More information on the Leonardo is available here and in this Instructable. You will need the following tools: ...
By: dmt

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Wed, 20 Mar 2013 06:29:26 PDT
PICAXE - Music Responsive, Fog Producing, LED Light Show and Audio Amplifier all in one
PICAXE - Music Responsive, Fog Producing, LED Light Show and Audio Amplifier all in one - More DIY How To Projects]]> Maundy In this instructable I explain and carry out processes such as cutting and using various equipment, by imitating any of the processes in this instructable you do so at your own risk and make sure you follow any safety information for any equipment used and be careful. I am the type of person who lo...
By: Maundy

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Mon, 28 Jan 2013 08:33:16 PST
Wall Sconces with Hidden Weather Display and Tangible User Interface AdielFernandez Videos of project in action below!!! Disclaimer: This is an abbreviated description of the project since I did not have time to do a full step-by-step instructable in time for a contest. However, I will gladly make a step-by-step 'ible if there is enough interest. If you like it, please take a mome...
By: AdielFernandez

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Sun, 27 Jan 2013 20:54:45 PST
How to Make Batteries From Spare Change
How to Make Batteries From Spare Change - More DIY How To Projects]]> The King of Random See The Video! What's a penny worth these days?  Not much, but could there be some free energy hidden inside your spare pennies? You'd be surprised! Watch the video to learn how you can put together stacks of pennies to form makeshift batteries that can drive small-current devices like LEDs a...
By: The King of Random

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Sat, 5 Jan 2013 16:07:15 PST
Create an Interactive Living Wall
Create an Interactive Living Wall - More DIY How To Projects]]> lnorooz This instructable was made as part of the final project requirement in the CS graduate course "Tangible Interactive Computing" at the University of Maryland, College Park taught by Professor Jon Froehlich. The course focused on exploring the materiality of interactive computing and, in the words of ...
By: lnorooz

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Tue, 18 Dec 2012 21:03:42 PST
PWM and Frequency Controller (for lasers and diodes)
PWM and Frequency Controller (for lasers and diodes) - More DIY How To Projects]]> 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
Battery voltage monitor
Battery voltage monitor - More DIY How To Projects]]> chunkyhampton This voltage monitor has been designed to remotely display battery voltage so that people monitor and maintain their batteries easily. It was designed for use on off-grid reneable energy systems (such as my solar PV system), but it would also be useful to anyone who has a lead-acid battery, such as ...
By: chunkyhampton

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Wed, 14 Nov 2012 03:43:59 PST
Electric Generator Powering LEDs
Electric Generator Powering LEDs - More DIY How To Projects]]> EGRobotics Introduction The Electric Generator is designed to help students understand how electricity is generated by actually allowing them to generate their own electricity. This generator is created using mostly household items. Follow the instructions below for optimal power generation. Have fun!   Vide...
By: EGRobotics

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Fri, 9 Nov 2012 16:03:10 PST
Soldering a LED to the 'Wrong' Side of a PCB AndyGadget Why would you want to mount LEDs on the copper side of a single sided board?  How about if you want to mount a board directly behind a front panel with the LEDs showing through holes in the panel.  You can't put them on the usual side because the other components would stop the board fitting flush t...
By: AndyGadget

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Mon, 20 Aug 2012 12:56:41 PDT
Sound reactive 2.1 audio amplifier (flashy ipod dock)
Sound reactive 2.1 audio amplifier (flashy ipod dock) - More DIY How To Projects]]> woody2k This is my version of the LED boxs that i have seen on this site. This formed the final part of my degree course as a trainee Secondary Design Technology Teacher. Its pretty simple. I took the flashing circuit for an led box and built it into a ready made 2.1 system, then made a new housing for it....
By: woody2k

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Sat, 19 May 2012 09:11:43 PDT
Simple Light Switch
Simple Light Switch - More DIY How To Projects]]> randofo In building Simple Bots, we are going to use a series of photo-coupled devices called modules. But, before we can do this, we need a good photo-couple to use as a light-activated switch. To make one of these switches, we will be using a special OSRAM-brand photo transistor and any standard NPN trans...
By: randofo

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Mon, 30 Apr 2012 16:05:46 PDT
How-To: Diodes
How-To: Diodes - More DIY How To Projects]]> audreyobscura If you have embarked upon electronics projects in the past, there is a good chance you have already encountered this common component and soldered into your circuit without second thought. Diodes are valuable in electronics and serve a variety of purposes, which will be highlighted in upcoming steps...
By: audreyobscura

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Mon, 5 Mar 2012 10:36:20 PST
Basic Electronics
Basic Electronics - More DIY How To Projects]]> randofo Getting started with basic electronics is easier than you might think. This Instructable will hopefully demystify the basics of electronics so that anyone with an interest in building circuits can hit the ground running. This is a quick overview into practical electronics and it is not my goal to de...
By: randofo

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Thu, 22 Dec 2011 18:10:37 PST