Instructables: exploring - technology - electronics - featured http://www.instructables.com Mon, 27 Apr 2015 10:09:17 PDT BLOX v1.01 20 watt stereo amplifier-simple and very cheap http://www.instructables.com/id/20-watt-stereo-amplifier-simple-and-very-cheap/
20 watt stereo amplifier-simple and very cheap - More DIY How To Projects]]> http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SQUARE2.jpg http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SQUARE.jpg http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SMALL.jpg Prabhat Tiwari want to listen to your favourite music loudly,but dont have any powerfull amplifier??want to have self made music system???are you getting bored of nasty and useless mono sound from tv,music player,dvd??want to have a self made cool and rich sound stereo amplifier but dont wanna spend alot???then y...
By: Prabhat Tiwari

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Sun, 19 Apr 2015 22:49:53 PDT
Water Gun Alarm Clock http://www.instructables.com/id/Water-Gun-Alarm-Clock/
Water Gun Alarm Clock - More DIY How To Projects]]> http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SQUARE2.jpg http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SQUARE.jpg http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SMALL.jpg LCLogan5 I don't know about you, but I have trouble waking up...just about every day. The one thing that helps me actually wake up and get moving in the morning is a nice shower. But...what if you could be woken up by the water?!?!That is what I attempted to build here. I have wanted to build this for a long...
By: LCLogan5

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Sun, 19 Apr 2015 19:18:18 PDT
battery clip LED tester. http://www.instructables.com/id/battery-clip-LED-tester/
battery clip LED tester. - More DIY How To Projects]]> http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE2.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SMALL.jpg louisc2 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: louisc2

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Sun, 19 Apr 2015 06:09:38 PDT
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/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SQUARE2.jpg http://cdn.instructables.com/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SQUARE.jpg http://cdn.instructables.com/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SMALL.jpg Mjhobby As part of my solar powered home, I have a portable 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 ...
By: Mjhobby

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Sat, 18 Apr 2015 13:16:55 PDT
Basic Electronic Amplifier 9v To 12v Cigar Box Closed Guitar Amp http://www.instructables.com/id/Basic-Electronic-Amplifier-9v-To-12v-Cigar-Box-Clo/
Basic Electronic Amplifier 9v To 12v Cigar Box Closed Guitar Amp - More DIY How To Projects]]> http://cdn.instructables.com/FPQ/IGCJ/I8H6DSGV/FPQIGCJI8H6DSGV.SQUARE2.jpg http://cdn.instructables.com/FPQ/IGCJ/I8H6DSGV/FPQIGCJI8H6DSGV.SQUARE.jpg http://cdn.instructables.com/FPQ/IGCJ/I8H6DSGV/FPQIGCJI8H6DSGV.SMALL.jpg ️Roy Glen Gilliam Pick Out Your Cigar Box I'm using a vintage Stand-up Display Cigar Box. I bought this years ago, but I'm also using another box inside this one to seal it up. The box I'm using inside - I bought at a local cigar shop for $1. I'm also using an air filter from my work - when the ambulance is servi...
By: ️Roy Glen Gilliam

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Wed, 15 Apr 2015 20:33:07 PDT
Projects from an Old Casette Player http://www.instructables.com/id/Projects-from-an-Old-Casette-Player/
Projects from an Old Casette Player - More DIY How To Projects]]> http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE2.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SMALL.jpg Imetomi Hi! Did you ever thought that you can build many gagdets from an old electronic device? Yes, maybe. Now I'll show you that what can build from an old casette player/radio. I made an FM transmitter bug and a wind turbine battery charger. The most of the parts are from the casette player. I only neede...
By: Imetomi

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Wed, 15 Apr 2015 04:42:12 PDT
Solar powered air conditioning unit. http://www.instructables.com/id/Solar-powered-air-conditioning-unit/
Solar powered air conditioning unit. - More DIY How To Projects]]> http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SQUARE2.jpg http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SQUARE.jpg http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SMALL.jpg Mjhobby Most people would like to have their homes cooled by the strength of sunlight which ironically causes heat. How to achieve energy efficient cooling of your abode by harnessing sunlight? I have successfully implemented a solar powered air conditioning unit for my living room which has been working gr...
By: Mjhobby

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Tue, 14 Apr 2015 16:46:55 PDT
Hack a Drill - Powerful Gearmotor! http://www.instructables.com/id/Hack-a-Drill-Powerful-Gearmotor/
Hack a Drill - Powerful Gearmotor! - More DIY How To Projects]]> http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SQUARE2.jpg http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SQUARE.jpg http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SMALL.jpg simon.w.nordberg In this Instructable I will show you how to get a powerful gearmotor from a cordless drill!I found this cordless drill in the scrap bin at a second hand store. When I got home I discovered something odd (video...) Materials Cordless drill for hacking! Tools Philips head screwdriver Disassemb...
By: simon.w.nordberg

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Tue, 14 Apr 2015 15:56:51 PDT
Globe of persistence of vision http://www.instructables.com/id/Globe-of-persistence-of-vision/
Globe of persistence of vision - More DIY How To Projects]]> http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SQUARE2.jpg http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SQUARE.jpg http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SMALL.jpg NicolasD3 Hello everyone,This tutorial shows you how to build your own globe of persistence of vision.First, what is a globe of persistence of vision? The idea is to rotate a column of LEDs fast enough for giving the impression of an entire globe of pixels (typically more than 10 rounds per second). If we can...
By: NicolasD3

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Tue, 14 Apr 2015 05:08:41 PDT
Trip Wire Alarm - Clothespin Activated http://www.instructables.com/id/Trip-Wire-Alarm-Clothespin-Activated/
Trip Wire Alarm - Clothespin Activated - More DIY How To Projects]]> http://cdn.instructables.com/F5Q/SOOJ/I8BGI9T7/F5QSOOJI8BGI9T7.SQUARE2.jpg http://cdn.instructables.com/F5Q/SOOJ/I8BGI9T7/F5QSOOJI8BGI9T7.SQUARE.jpg http://cdn.instructables.com/F5Q/SOOJ/I8BGI9T7/F5QSOOJI8BGI9T7.SMALL.jpg jellis33 The basic idea here is to have a little fun. This device could come in handy if you're playing hide-and-seek, for example, you're hiding and you'd like to know where the seeker is - buzzzzzzzz! Now you know where the seeker is and can get to base. Or if you just wanted to stop people from going into...
By: jellis33

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Sun, 12 Apr 2015 18:25:15 PDT
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]]> http://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE2.jpg http://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE.jpg http://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 second pl...
By: Regax

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Tue, 31 Mar 2015 01:46:30 PDT
Variable ATX bench powersupply - FabLab edition http://www.instructables.com/id/Variable-ATX-bench-powersupply-FabLab-edition/
Variable ATX bench powersupply - FabLab edition - More DIY How To Projects]]> http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE2.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SMALL.jpg ThomasVDD A good power supply is very useful when working with electronics, but it can be pricey. However, you could have one laying around in the form of an ATX PSU (Power Supply Unit). They are the most commonly used power supplies for computers. In this instructable I'll show how I converted my ATX PSU in ...
By: ThomasVDD

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Mon, 13 Apr 2015 05:34:28 PDT
DIY Constant current load http://www.instructables.com/id/DIY-Constant-current-load/
DIY Constant current load - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE2.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SMALL.jpg GreatScottLab In this small project I will show you how to make a simple adjustable constant current load. Such a gadget is useful if you want to measure the capacity of chinese Li-Ion batteries. Or you can test how stable your power supply is with a certain load. Let's get started ! Watch the video! The video...
By: GreatScottLab

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Fri, 10 Apr 2015 07:50:09 PDT
Intro to Stepper Motors http://www.instructables.com/id/Intro-to-Stepper-Motors/
Intro to Stepper Motors - More DIY How To Projects]]> http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SQUARE2.jpg http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SQUARE.jpg http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SMALL.jpg Aleator777 If you've ever had the pleasure of dismantling an older printer to salvage electronic parts (I highly recommend this weekend activity if you haven't before!) you may have come across a slew of cylindrical mystery motors with 4 or more wires jutting out the side. Perhaps you've heard the characteris...
By: Aleator777

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Thu, 9 Apr 2015 13:44:29 PDT
Figuring out a Key Matrix (Scan Matrix) http://www.instructables.com/id/Figuring-out-a-Key-Matrix-Scan-Matrix/
Figuring out a Key Matrix (Scan Matrix) - More DIY How To Projects]]> http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SQUARE2.jpg http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SQUARE.jpg http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SMALL.jpg EvanKale This is a guide to figuring out how to interface with the cable ribbon of a key matrix.A thorough run-down of what a key matrix is and how it works can be found in this PCB Heaven article: http://pcbheaven.com/wikipages/How_Key_Matrices_Works/Here are a few hints to help you determine what keys map ...
By: EvanKale

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Thu, 9 Apr 2015 07:50:12 PDT
Etching PCBs with Press'n'Peel http://www.instructables.com/id/Etching-PCBs-with-PressnPeel/
Etching PCBs with Press'n'Peel - More DIY How To Projects]]> http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SQUARE2.jpg http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SQUARE.jpg http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SMALL.jpg clacktronics-uk These days to make PCB’s you don’t need tons of expensive exposing equipment and bubble tanks, it can be done quite simply on your kitchen floor or in a garage and on a tight budget. There are many instructables already about how to create PCB's with toner and glossy photo paper or magazine pages e...
By: clacktronics-uk

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Wed, 8 Apr 2015 14:16:34 PDT
FOAM CUTTING MACHINE http://www.instructables.com/id/FOAM-CUTTING-MACHINE/
FOAM CUTTING MACHINE - More DIY How To Projects]]> http://cdn.instructables.com/F7B/RLRP/I88LJAJ7/F7BRLRPI88LJAJ7.SQUARE2.jpg http://cdn.instructables.com/F7B/RLRP/I88LJAJ7/F7BRLRPI88LJAJ7.SQUARE.jpg http://cdn.instructables.com/F7B/RLRP/I88LJAJ7/F7BRLRPI88LJAJ7.SMALL.jpg TrầnB What do you use for cutting foam? Knife, scissor or ...BLADE ?How do you feel when using them ? With me, terrible ==!To save the tiny foams and to be comfortable, my team made an idea about FOAM CUTTING MACHINEI feel very cool about this and it make my house much more tidy by fresh cut ! Why don’t y...
By: TrầnB

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Wed, 8 Apr 2015 03:17:28 PDT
Wireless electricity transmission circuit http://www.instructables.com/id/Wireless-electricity-transmission-circuit/
Wireless electricity transmission circuit - More DIY How To Projects]]> http://cdn.instructables.com/FH0/0NES/I8766PEK/FH00NESI8766PEK.SQUARE2.jpg http://cdn.instructables.com/FH0/0NES/I8766PEK/FH00NESI8766PEK.SQUARE.jpg http://cdn.instructables.com/FH0/0NES/I8766PEK/FH00NESI8766PEK.SMALL.jpg argha halder This is a simple circuit that can power a light bulb without any wires, at a distance of almost 1 inch! This circuit acts as both, step up Voltage converter and also wireless electricity transmitter and receiver. This is a really easy project to do, and could be used in many ways if improved. So let...
By: argha halder

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Tue, 7 Apr 2015 19:53:49 PDT
Data Over Light: a Laser Modem Prototype http://www.instructables.com/id/Data-Over-Light-a-Laser-Modem-Prototype/
Data Over Light: a Laser Modem Prototype - More DIY How To Projects]]> http://cdn.instructables.com/F3V/U108/I88LJ257/F3VU108I88LJ257.SQUARE2.jpg http://cdn.instructables.com/F3V/U108/I88LJ257/F3VU108I88LJ257.SQUARE.jpg http://cdn.instructables.com/F3V/U108/I88LJ257/F3VU108I88LJ257.SMALL.jpg thiagohersan This project was motivated by a desire to analyze and discuss the shortcomings of our dependence on corporate communication networks.As we keep delegating more and more of our daily lives to fewer and fewer digital platforms, using wires and towers owned by a handful of telecommunication companies, ...
By: thiagohersan

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Wed, 8 Apr 2015 03:35:30 PDT
Digital timer from microwave oven timer http://www.instructables.com/id/Digital-timer-from-microwave-oven-timer/
Digital timer from microwave oven timer - More DIY How To Projects]]> http://cdn.instructables.com/F5H/JBQU/I86LSGMY/F5HJBQUI86LSGMY.SQUARE2.jpg http://cdn.instructables.com/F5H/JBQU/I86LSGMY/F5HJBQUI86LSGMY.SQUARE.jpg http://cdn.instructables.com/F5H/JBQU/I86LSGMY/F5HJBQUI86LSGMY.SMALL.jpg BJ Cuizon In this instructable, you will learn how to make a digital timer using the old parts of a defective microwave oven. All parts needed in this project can be salvaged from a defective microwave oven. The main thing you need in this project is the microwave oven's timer module. Gather parts and tools...
By: BJ Cuizon

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Mon, 6 Apr 2015 23:24:14 PDT
Electronics Components Salvage http://www.instructables.com/id/Electronics-Components-Salvage/
Electronics Components Salvage - More DIY How To Projects]]> http://cdn.instructables.com/FPE/2G44/I86LSOAM/FPE2G44I86LSOAM.SQUARE2.jpg http://cdn.instructables.com/FPE/2G44/I86LSOAM/FPE2G44I86LSOAM.SQUARE.jpg http://cdn.instructables.com/FPE/2G44/I86LSOAM/FPE2G44I86LSOAM.SMALL.jpg BJ Cuizon If electronic parts are not in your local electronics shop, you would probably salvage parts from old electronic appliances. I salvaged components mostly from old and damaged appliances because I don't want to destroy the working appliances.Warning: No power should be applied while dismantling the a...
By: BJ Cuizon

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Mon, 6 Apr 2015 23:40:38 PDT
Transform basic bathroom fan to advanced http://www.instructables.com/id/Transform-basic-bathroom-fan-to-advanced/
Transform basic bathroom fan to advanced - More DIY How To Projects]]> http://cdn.instructables.com/F7K/C0RK/I85QPP0E/F7KC0RKI85QPP0E.SQUARE2.jpg http://cdn.instructables.com/F7K/C0RK/I85QPP0E/F7KC0RKI85QPP0E.SQUARE.jpg http://cdn.instructables.com/F7K/C0RK/I85QPP0E/F7KC0RKI85QPP0E.SMALL.jpg neo_xnitro This is my first instructable !!After i moving with my girlfriend in our new rent house, our new bathroom was equipped of an fan evacuator with a PIR sensor to evacuate humidity, every time we power ON the light of the bathroom, the FAN power on and made a lot of noise !!I like every time my girlfir...
By: neo_xnitro

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Mon, 6 Apr 2015 12:49:13 PDT
BENCH POWER SUPPLY UNIT FROM SCRATCH http://www.instructables.com/id/BENCH-POWER-SUPPLY-UNIT-FROM-SCRATCH/
BENCH POWER SUPPLY UNIT FROM SCRATCH - More DIY How To Projects]]> http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SQUARE2.jpg http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SQUARE.jpg http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SMALL.jpg PaurushTheMaker In this instructable I am going to show you how to make a bench power supply. The bench power supply would consist of 6 fixed voltages and a variable voltage from 7v to 1v What is a bench power supply and why do I need it ? A bench power supply is a very important and useful tool in electronics. ...
By: PaurushTheMaker

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Mon, 6 Apr 2015 10:21:55 PDT
Super Capacitor Battery for Mouse http://www.instructables.com/id/Super-Capacitor-Battery-for-Mouse/
Super Capacitor Battery for Mouse - More DIY How To Projects]]> http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SQUARE2.jpg http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SQUARE.jpg http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SMALL.jpg nomierinies Let's make unlimited times and quickly chargeable Supercapacitor battery for mouse. What we need:Supercapacitor (I use 5.5v 1F but bigger is better)Wires & stuffVoltage regulator (In my case 1.5v 1A because my mouse work on one AAA battery)Power supply 5.5v (I use this adjustable from ebay) Sc...
By: nomierinies

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Mon, 6 Apr 2015 11:00:35 PDT
PCBs without a printer! http://www.instructables.com/id/PCBs-without-a-printer/
PCBs without a printer! - More DIY How To Projects]]> http://cdn.instructables.com/F03/DDYF/I84H034G/F03DDYFI84H034G.SQUARE2.jpg http://cdn.instructables.com/F03/DDYF/I84H034G/F03DDYFI84H034G.SQUARE.jpg http://cdn.instructables.com/F03/DDYF/I84H034G/F03DDYFI84H034G.SMALL.jpg holgerm.murk Ever felt tired of veroboard or perfboard and wanted to do your own PCBs?Here's where I was just recently, having failed numerous times with toner transfer and unable to find printable film, to do the photoresist trick.I came up with a solution and also made photos for this very instructable, while ...
By: holgerm.murk

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Sun, 5 Apr 2015 10:37:09 PDT
How To Make Electricity! http://www.instructables.com/id/How-to-Make-Electricity/
How To Make Electricity! - More DIY How To Projects]]> http://cdn.instructables.com/FAJ/JDXK/I834V8YN/FAJJDXKI834V8YN.SQUARE2.jpg http://cdn.instructables.com/FAJ/JDXK/I834V8YN/FAJJDXKI834V8YN.SQUARE.jpg http://cdn.instructables.com/FAJ/JDXK/I834V8YN/FAJJDXKI834V8YN.SMALL.jpg funtogether Quick! Turn back NOW!! It's a trick! It's not an Instructable! It's a science lesson!O.K. Not to be dramatic, but electricity, and all things electronic, have a lot to do with science, and although this tutorial will contain science, it will also have hands-on examples.Have fun learning how el...
By: funtogether

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Sat, 4 Apr 2015 16:32:43 PDT
Clothespin Trip Wire Alarm http://www.instructables.com/id/Clothespin-Trip-Wire-Alarm/
Clothespin Trip Wire Alarm - More DIY How To Projects]]> http://cdn.instructables.com/FO3/RP65/I800ZJDA/FO3RP65I800ZJDA.SQUARE2.jpg http://cdn.instructables.com/FO3/RP65/I800ZJDA/FO3RP65I800ZJDA.SQUARE.jpg http://cdn.instructables.com/FO3/RP65/I800ZJDA/FO3RP65I800ZJDA.SMALL.jpg robonerd Here is a fun little project that you can make quite easily.BACKGROUND - I recently went on a canoeing trip. I the middle of the night, some people happened upon my campsite and tried to steal my canoe. I caught them before they managed to make off with my only transportation. And now they have lear...
By: robonerd

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Thu, 2 Apr 2015 16:54:34 PDT
Photo sensing iron man face http://www.instructables.com/id/Photo-sensing-iron-man-face/
Photo sensing iron man face - More DIY How To Projects]]> http://cdn.instructables.com/FDR/7MOU/I6B1S33H/FDR7MOUI6B1S33H.SQUARE2.jpg http://cdn.instructables.com/FDR/7MOU/I6B1S33H/FDR7MOUI6B1S33H.SQUARE.jpg http://cdn.instructables.com/FDR/7MOU/I6B1S33H/FDR7MOUI6B1S33H.SMALL.jpg kushal kumar Makers : Harish and Kushal Location :Banjarapalya E4D Maker spaceWe made this project at Banjarapalya E4D Makerspace, For the Instructables Build Night On Circuit Scribe. We enjoy this build night so much and it's really cool.Materials:1. Conductive pen2. A4 sheets 3.Photo sensor4. NP N Transistor5....
By: kushal kumar

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Wed, 18 Feb 2015 23:26:27 PST
Emergency D Battery from 4 AA's http://www.instructables.com/id/Emergency-D-Battery-from-4-AAs/
Emergency D Battery from 4 AA's - More DIY How To Projects]]> http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SQUARE2.jpg http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SQUARE.jpg http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SMALL.jpg jimmypat If you ever needed to fit a square peg into a round hole on short notice, then this Instructable is for you!With my parents over for the weekend, and the hour of midnight rapidly approaching, we needed to blow up the ol' air mattress and get to bed. But, lo and behold, one of the D batteries inside ...
By: jimmypat

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Mon, 30 Mar 2015 15:15:42 PDT
NAND Gate Logic using Circuit Scribe http://www.instructables.com/id/NAND-Gate-Logic-using-Circuit-Scribe/
NAND Gate Logic using Circuit Scribe - More DIY How To Projects]]> http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SQUARE2.jpg http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SQUARE.jpg http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SMALL.jpg LadySith Electroninks shows us how to create AND Gate logic using CircuitScribe. I’d like to add to this with an Instructable replicating my favorite logic – NAND gates. These are by far my favorite logic circuits, simply for the fact that with enough NAND gates you can replicate any basic logic.All the part...
By: LadySith

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Mon, 30 Mar 2015 13:54:50 PDT
Emergency Lighting System http://www.instructables.com/id/Emergency-Lighting-System/
Emergency Lighting System - More DIY How To Projects]]> http://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE2.jpg http://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE.jpg http://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
Buzzing Mouse Prank http://www.instructables.com/id/Buzzing-Mouse-Prank/
Buzzing Mouse Prank - More DIY How To Projects]]> http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SQUARE2.jpg http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SQUARE.jpg http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SMALL.jpg AndyWilson One of my friends is a little nit-picky about his system setup and sometimes I like to play around with it. I found a dead magic mouse in my "Bin of old dead computer junk" and I had a vibrating motor. This is a play on the very old hand buzzers that would shake when you shook someone's hand, causin...
By: AndyWilson

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Sun, 29 Mar 2015 07:03:50 PDT
How to Protect any 18650 Cell http://www.instructables.com/id/How-to-Protect-any-18650-Cell/
How to Protect any 18650 Cell - More DIY How To Projects]]> http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE2.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SMALL.jpg Imetomi In this instructable I'll show you a very useful life hack that is used to protect any 18650 cell. You can make it only with an old cell phone battery and with some wires. The Lithium ion batteries that are used in phones have a build in protection circuit, that automatically turns off if the voltag...
By: Imetomi

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Thu, 26 Mar 2015 10:58:28 PDT
Home Energy Conservation and Automation with Z-Wave and Android http://www.instructables.com/id/Home-Energy-Conservation-and-Automation-with-Z-Wav/
Home Energy Conservation and Automation with Z-Wave and Android - More DIY How To Projects]]> http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SQUARE2.jpg http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SQUARE.jpg http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SMALL.jpg Darkblast47 Energy conservation is a big topic, there's lots of ways to save energy, from turning off your lights when you leave a room all the way to putting in weather stripping to ensure your not letting out the hot or cold air from your home. These are definitely helpful and should always be considered when...
By: Darkblast47

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Wed, 25 Mar 2015 18:54:30 PDT
Bubble Bobble Bartop Arcade Machine http://www.instructables.com/id/Bubble-Bobble-Bartop-Arcade-Machine/
Bubble Bobble Bartop Arcade Machine - More DIY How To Projects]]> http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SQUARE2.jpg http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SQUARE.jpg http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SMALL.jpg christopher.sadler.73 So about 14 years ago after finishing University and having been obsessed with playing MAME emulated games I discovered the magic of a SuperGun and the fact I could own actual Arcade boards. This resulted in me finding a guide on the internet and building my own Supergun. It wasn't perfect but I ...
By: christopher.sadler.73

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Tue, 24 Mar 2015 16:14:56 PDT
Breadboard Battleship http://www.instructables.com/id/Breadboard-Battleship/
Breadboard Battleship - More DIY How To Projects]]> http://cdn.instructables.com/FHW/U25K/I7D615NN/FHWU25KI7D615NN.SQUARE2.jpg http://cdn.instructables.com/FHW/U25K/I7D615NN/FHWU25KI7D615NN.SQUARE.jpg http://cdn.instructables.com/FHW/U25K/I7D615NN/FHWU25KI7D615NN.SMALL.jpg MITinventorbot This game is a fun and educational spin on the normal battleship game. Instead of using the "ocean" and ships, this game uses a breadboard and electrical components. It is a great way to teach kids about electrical engineering in a fun way, and is also an enjoyable game for adults. Materials For ...
By: MITinventorbot

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Wed, 18 Mar 2015 14:09:11 PDT
Trousers that charge your phone http://www.instructables.com/id/Trousers-that-charge-your-phone/
Trousers that charge your phone - More DIY How To Projects]]> http://cdn.instructables.com/F69/VSKC/I7HG6BMI/F69VSKCI7HG6BMI.SQUARE2.jpg http://cdn.instructables.com/F69/VSKC/I7HG6BMI/F69VSKCI7HG6BMI.SQUARE.jpg http://cdn.instructables.com/F69/VSKC/I7HG6BMI/F69VSKCI7HG6BMI.SMALL.jpg kousheekc So we take close to 1000 steps per day without counting my physical activities that i usually have and if you are a regular cyclists like me that too counts. So what if we could somehow harness that electricity to charge stuff. SO this is an instructable where i tried to do something of this sort. T...
By: kousheekc

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Fri, 20 Mar 2015 07:21:04 PDT
SLAYER EXCITERS & TESLA COILS everything you need to know to get started! http://www.instructables.com/id/SLAYER-EXCITERS-TESLA-COILS-everything-you-need-to/
SLAYER EXCITERS & TESLA COILS everything you need to know to get started! - More DIY How To Projects]]> http://cdn.instructables.com/FOA/AG4V/I7GRZAL2/FOAAG4VI7GRZAL2.SQUARE2.jpg http://cdn.instructables.com/FOA/AG4V/I7GRZAL2/FOAAG4VI7GRZAL2.SQUARE.jpg http://cdn.instructables.com/FOA/AG4V/I7GRZAL2/FOAAG4VI7GRZAL2.SMALL.jpg suchb Hello Instructables!I began writing an explination on tesla coils and slayer circuits and how they operate in a comment on YouTube, and somehow it turned into several hundred lines of deep explanation of the theory behind tesla coils and slayer circuits.I decided I spent way to much effort writing t...
By: suchb

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Thu, 19 Mar 2015 16:18:32 PDT
ATX Bench Power Supply Enclosure http://www.instructables.com/id/ATX-Bench-Power-Supply-Enclosure/
ATX Bench Power Supply Enclosure - More DIY How To Projects]]> http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SQUARE2.jpg http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SQUARE.jpg http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SMALL.jpg simon.w.nordberg Here's an enclosure I built a while back! Materials 1 ATX Power Supply Plexiglass 60x40cm (23.6x15.7 inches) A Few Pieces of Wood 1 On/Off Switch Wire Lugs 1 LED 1 Resistor 2 1m Wires (39.3 inches) 2 Crocodile Clips 3 Red Male Banana Plugs 3 Red Female Banana Plugs 1 Black Male Banan...
By: simon.w.nordberg

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Thu, 19 Mar 2015 08:53:11 PDT
eTextile wristband http://www.instructables.com/id/eTextile-wristband/
eTextile wristband - More DIY How To Projects]]> http://cdn.instructables.com/FTS/ATB6/I7D61D0E/FTSATB6I7D61D0E.SQUARE2.jpg http://cdn.instructables.com/FTS/ATB6/I7D61D0E/FTSATB6I7D61D0E.SQUARE.jpg http://cdn.instructables.com/FTS/ATB6/I7D61D0E/FTSATB6I7D61D0E.SMALL.jpg sdsdavies You will need:Base fabricTop fabricConductive fabric ('bondaweb' already attached) Conductive threadA sewable battery holderAn LED (use pliers to create sewable loops) STEP 1: Adding the fastening Preparing the velcro (no image).Cut the 'hook' side of 2cm wide conductive velcro into 2 (1cm) wide...
By: sdsdavies

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Wed, 18 Mar 2015 14:38:53 PDT
DIY Long battery life bicycle indicators http://www.instructables.com/id/Long-battery-life-bicycle-indicators/
DIY Long battery life bicycle indicators - More DIY How To Projects]]> http://cdn.instructables.com/F46/5SQM/I7CCEVPR/F465SQMI7CCEVPR.SQUARE2.jpg http://cdn.instructables.com/F46/5SQM/I7CCEVPR/F465SQMI7CCEVPR.SQUARE.jpg http://cdn.instructables.com/F46/5SQM/I7CCEVPR/F465SQMI7CCEVPR.SMALL.jpg tomheylen Features:LONG BATTERY LIFE. Circuit is completely turned off when not blinking. ULTRA BRIGHT LED's CHEAP, UNDER 20 BUCKS VERY SMALL CONTROLLER BOX AND WIRING WORKS ON A SINGLE 9V BATTERY Video Parts list 2 x LED's (I used car LED's working on 12v that I found in a car parts shop for u...
By: tomheylen

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Wed, 18 Mar 2015 01:34:04 PDT
'Arduino' Decision 'Box' BE (Attiny85) http://www.instructables.com/id/Arduino-Decision-Box-BE-Attiny85/
'Arduino' Decision 'Box' BE (Attiny85) - More DIY How To Projects]]> http://cdn.instructables.com/FE1/1AQD/I7CCBE55/FE11AQDI7CCBE55.SQUARE2.jpg http://cdn.instructables.com/FE1/1AQD/I7CCBE55/FE11AQDI7CCBE55.SQUARE.jpg http://cdn.instructables.com/FE1/1AQD/I7CCBE55/FE11AQDI7CCBE55.SMALL.jpg nqtronix Pleace notice: This project neither contains a box nor any Arduino* code. I stuck with this name because this project is a modifictaion of Victor8o5's "Arduino decision box 2.0 (Attiny85)" posted three days ago. I liked the way it looks and works, but I also knew there's still room for improvements ...
By: nqtronix

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Tue, 17 Mar 2015 08:06:56 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]]> http://cdn.instructables.com/FP1/V7FK/I7C80INS/FP1V7FKI7C80INS.SQUARE2.jpg http://cdn.instructables.com/FP1/V7FK/I7C80INS/FP1V7FKI7C80INS.SQUARE.jpg http://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
Bench Top Power Supply http://www.instructables.com/id/Bench-Top-Power-Supply/
Bench Top Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SQUARE2.jpg http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SQUARE.jpg http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SMALL.jpg joshmt2012 I finally found the time to make my own bench top power supply from and old computer power supply. This has been done many times before and this is my take on it. What you need Computer Power Supply Screw drivers Wire cutter/Strippers Ring terminals Soldering Iron (If your right terminals ...
By: joshmt2012

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Sat, 14 Mar 2015 16:37:24 PDT
Small Electronic Experiment Station http://www.instructables.com/id/Small-Electronic-Experiment-Station/
Small Electronic Experiment Station - More DIY How To Projects]]> http://cdn.instructables.com/F4J/QJU6/I77G9MHS/F4JQJU6I77G9MHS.SQUARE2.jpg http://cdn.instructables.com/F4J/QJU6/I77G9MHS/F4JQJU6I77G9MHS.SQUARE.jpg http://cdn.instructables.com/F4J/QJU6/I77G9MHS/F4JQJU6I77G9MHS.SMALL.jpg gizmologist I do a lot of electronic experimentation, with Arduino and discrete components, but I do a lot of other making also, so I'm always running out of space for my current projects. Sometimes my workbench is literally buried inches deep in projects!Breadboarded circuits are not noted for robustness, so k...
By: gizmologist

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Sat, 14 Mar 2015 03:29:38 PDT
DIY surround sound headset http://www.instructables.com/id/DIY-surround-sound-headset/
DIY surround sound headset - More DIY How To Projects]]> http://cdn.instructables.com/FEH/YQU5/I77G9CDW/FEHYQU5I77G9CDW.SQUARE2.jpg http://cdn.instructables.com/FEH/YQU5/I77G9CDW/FEHYQU5I77G9CDW.SQUARE.jpg http://cdn.instructables.com/FEH/YQU5/I77G9CDW/FEHYQU5I77G9CDW.SMALL.jpg dsuarez I've always liked the idea of having surround sound in a headset for making games feel more immersive. I've tried many different models over the years, both the virtual surround types and the ones with multiple drivers. None ever seemed to get surround sound quite right. I have heard people say t...
By: dsuarez

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Fri, 13 Mar 2015 22:58:45 PDT
1st 9v Battery that can be recharged from a USB Port http://www.instructables.com/id/1st-9v-Battery-that-can-be-recharged-from-a-USB-Po/
1st 9v Battery that can be recharged from a USB Port - More DIY How To Projects]]> http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SQUARE2.jpg http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SQUARE.jpg http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SMALL.jpg Imetomi The 9v batteries are very often used in electronics, example: programmable circuits, robots and etc... But they have a very huge problem, theirs capacity is low and the rechargeable 9v batteries needs at least 9.5v to charge them up. I thought much time about this project because would be an importa...
By: Imetomi

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Tue, 10 Mar 2015 07:32:50 PDT
Proximity IR Switch http://www.instructables.com/id/Proiximity-IR-Switch/
Proximity IR Switch - More DIY How To Projects]]> http://cdn.instructables.com/FJB/QFOL/I735UQJJ/FJBQFOLI735UQJJ.SQUARE2.jpg http://cdn.instructables.com/FJB/QFOL/I735UQJJ/FJBQFOLI735UQJJ.SQUARE.jpg http://cdn.instructables.com/FJB/QFOL/I735UQJJ/FJBQFOLI735UQJJ.SMALL.jpg ptabone A switch activated by distance. This example shows the activation of an LED strip.An understanding of electronics (and soldering if using a veroboard) is required to complete this project. A multimeter would be helpful for testing. Parts you will need A power supply from AC to 12V DC A voltage r...
By: ptabone

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Tue, 10 Mar 2015 09:45:33 PDT
DIY Car Cooling Fan http://www.instructables.com/id/DIY-Car-Cooling-Fan/
DIY Car Cooling Fan - More DIY How To Projects]]> http://cdn.instructables.com/FCL/YLFQ/I71QGZX5/FCLYLFQI71QGZX5.SQUARE2.jpg http://cdn.instructables.com/FCL/YLFQ/I71QGZX5/FCLYLFQI71QGZX5.SQUARE.jpg http://cdn.instructables.com/FCL/YLFQ/I71QGZX5/FCLYLFQI71QGZX5.SMALL.jpg BJ Cuizon Are your car's air conditioners not that cool? Or do you need to cool down your car after parking under the sun?Here is a simple and cheap way to make car cooling fans. You will only be needing your basic soldering skills. Gather the parts and tools needed. Parts:- Old ATX PSU (You can use a dama...
By: BJ Cuizon

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Tue, 10 Mar 2015 02:03:58 PDT
Learn Piano Keys with Makey Makey http://www.instructables.com/id/Learn-Piano-Keys-with-Makey-Makey/
Learn Piano Keys with Makey Makey - More DIY How To Projects]]> http://cdn.instructables.com/FLP/PQMW/I70B2V1J/FLPPQMWI70B2V1J.SQUARE2.jpg http://cdn.instructables.com/FLP/PQMW/I70B2V1J/FLPPQMWI70B2V1J.SQUARE.jpg http://cdn.instructables.com/FLP/PQMW/I70B2V1J/FLPPQMWI70B2V1J.SMALL.jpg blowe7 I built this for an Instuctables night at The Maker Station. This game helps you to learn where the notes are on a piano keyboard through play. Our group was invited to be part of a Maker Station Pavilion at an education expo. While talking to educators, we realized that building this project could ...
By: blowe7

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Sun, 8 Mar 2015 21:30:26 PDT