Instructables: exploring - technology - signal - featured http://www.instructables.com Wed, 22 Oct 2014 09:01:29 PDT BLOX v1.01 Invisible Signally Beacon (Infrared LED Throwie) http://www.instructables.com/id/Invisible-Signally-Beacon-Infrared-LED-Throwie/
Invisible Signally Beacon (Infrared LED Throwie) - More DIY How To Projects]]> http://cdn.instructables.com/FXN/02JI/HSKV05D5/FXN02JIHSKV05D5.SQUARE2.jpg http://cdn.instructables.com/FXN/02JI/HSKV05D5/FXN02JIHSKV05D5.SQUARE.jpg http://cdn.instructables.com/FXN/02JI/HSKV05D5/FXN02JIHSKV05D5.SMALL.jpg DIY Hacks and How Tos Spies need ways to secretly communicate with their partners. This can be a simple signal like a chalk mark on a wall or a newspaper left on a park bench. But the best kind of signal is completely invisible. In this project, I am going to show you how to make a simple invisible beacon that you ca...
By: DIY Hacks and How Tos

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Mon, 10 Mar 2014 06:01:21 PDT
USB Oscilloscope with Signal generator http://www.instructables.com/id/USB-Oscilloscope-with-Signal-generator/
USB Oscilloscope with Signal generator - More DIY How To Projects]]> http://cdn.instructables.com/FI4/J2AF/HN81Z5NQ/FI4J2AFHN81Z5NQ.SQUARE2.jpg http://cdn.instructables.com/FI4/J2AF/HN81Z5NQ/FI4J2AFHN81Z5NQ.SQUARE.jpg http://cdn.instructables.com/FI4/J2AF/HN81Z5NQ/FI4J2AFHN81Z5NQ.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to make an easy and cheap USB Oscilloscope. Specifications: Price: 20$ Frequency: 2-20000HZ Resolution: 16 Bit Voltage range:  +-7V / with probe +-70V Channels: 2 X-Y Mode Signal generator: Sine, Square, Triangular and Sawtooth 0-20000Hz Material list...
By: Jan_Henrik

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Tue, 29 Oct 2013 12:11:32 PDT
littleBits of Romance http://www.instructables.com/id/littleBits-of-Romance/
littleBits of Romance - More DIY How To Projects]]> http://cdn.instructables.com/FKJ/13U8/HRGNS29E/FKJ13U8HRGNS29E.SQUARE2.jpg http://cdn.instructables.com/FKJ/13U8/HRGNS29E/FKJ13U8HRGNS29E.SQUARE.jpg http://cdn.instructables.com/FKJ/13U8/HRGNS29E/FKJ13U8HRGNS29E.SMALL.jpg tofu911 I just got my littleBits in but I love them because they are a lot of fun to tinker with. Valentine's Day kind of confines love to only one day but I really think it should be celebrated daily. And if you want to make it special, then this is the perfect way to enhance the romantic mood. This inst...
By: tofu911

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Mon, 10 Feb 2014 11:32:00 PST
Bike Turn Signal & Brake Light Handlebars http://www.instructables.com/id/Bike-Turn-Signal-Brake-Light-Handlebars/
Bike Turn Signal & Brake Light Handlebars - More DIY How To Projects]]> http://cdn.instructables.com/FSW/55ZG/HHS9RYIT/FSW55ZGHHS9RYIT.SQUARE2.jpg http://cdn.instructables.com/FSW/55ZG/HHS9RYIT/FSW55ZGHHS9RYIT.SQUARE.jpg http://cdn.instructables.com/FSW/55ZG/HHS9RYIT/FSW55ZGHHS9RYIT.SMALL.jpg Mizchief100 This project was inspired by a very cool kickstarter called Helios Bars. Essentially what this project does, is put an arduino, LEDs, and buttons into your bike handlebars. The LEDs can be used as turn signals, brake lights, or display ambient colors while riding. It's fun, cheap, and a good introdu...
By: Mizchief100

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Fri, 28 Jun 2013 13:23:25 PDT
Traffic Signal / Stop Light Wiring with Arduino Controller http://www.instructables.com/id/Traffic-Signal-Stop-Light-Wiring-with-Arduino-Co/
Traffic Signal / Stop Light Wiring with Arduino Controller - More DIY How To Projects]]> http://cdn.instructables.com/F6W/7HL5/HDOW6U2M/F6W7HL5HDOW6U2M.SQUARE2.jpg http://cdn.instructables.com/F6W/7HL5/HDOW6U2M/F6W7HL5HDOW6U2M.SQUARE.jpg http://cdn.instructables.com/F6W/7HL5/HDOW6U2M/F6W7HL5HDOW6U2M.SMALL.jpg fzumrk I always wanted an old traffic signal and finally got one recently.  However, it was very simply wired so that all the lights were fixed on.  What fun is that?  I also wanted to try out an Arduino controller and thought this would be a nice simple project to incorporate it into.  This Instructable ...
By: fzumrk

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Sun, 3 Mar 2013 19:37:30 PST
Arduino Audio Input http://www.instructables.com/id/Arduino-Audio-Input/
Arduino Audio Input - More DIY How To Projects]]> http://cdn.instructables.com/FK4/T20G/H742PPP8/FK4T20GH742PPP8.SQUARE2.jpg http://cdn.instructables.com/FK4/T20G/H742PPP8/FK4T20GH742PPP8.SQUARE.jpg http://cdn.instructables.com/FK4/T20G/H742PPP8/FK4T20GH742PPP8.SMALL.jpg amandaghassaei Send sound into your Arduino.  This Instructable will show you how to prepare audio so that it can be sampled and processed by an Arduino to make sound responsive projects and audio effects.  (This article is a companion to another Instructable I've written about building an audio output circuit for...
By: amandaghassaei

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Tue, 2 Oct 2012 01:26:49 PDT
Digital Frequency Counter http://www.instructables.com/id/Digital-Frequency-Counter/
Digital Frequency Counter - More DIY How To Projects]]> http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE2.jpg http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE.jpg http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SMALL.jpg laserjocky First of all, if you like this project, please vote for me in the Hurricane Laser Competition and the LED Contest! Have you ever needed to find out how quickly something is oscillating? For things like hamster wheels and ocean waves, this is easy. You just count how many times the wheel goes ar...
By: laserjocky

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Thu, 23 Aug 2012 21:37:45 PDT
Bike LED Turn Signals http://www.instructables.com/id/Bike-LED-Turn-Signals/
Bike LED Turn Signals - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FQK/1DPK/H4VQL5X8/FQK1DPKH4VQL5X8.SQUARE2.jpg http://www.instructables.com/files/deriv/FQK/1DPK/H4VQL5X8/FQK1DPKH4VQL5X8.SQUARE.jpg http://www.instructables.com/files/deriv/FQK/1DPK/H4VQL5X8/FQK1DPKH4VQL5X8.SMALL.jpg Adambowker98 I was re-published on TreeHugger!!! http://www.treehugger.com/slideshows/gadgets/how-make-led-turn-signals-your-bike/ Turns out the guys at CleanTechnica and WonderHowTo blogged about this without telling me first. Not sure if I should be upset or happy, haha. Check it out: http://cleantechnica.com...
By: Adambowker98

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Wed, 1 Aug 2012 17:41:17 PDT
Arduino Waveform Generator http://www.instructables.com/id/Arduino-Waveform-Generator/
Arduino Waveform Generator - More DIY How To Projects]]> http://cdn.instructables.com/F3W/JXSF/H4VQNVIY/F3WJXSFH4VQNVIY.SQUARE2.jpg http://cdn.instructables.com/F3W/JXSF/H4VQNVIY/F3WJXSFH4VQNVIY.SQUARE.jpg http://cdn.instructables.com/F3W/JXSF/H4VQNVIY/F3WJXSFH4VQNVIY.SMALL.jpg amandaghassaei Waveform generators (also called function generators) are useful for testing and debugging circuits.  I often use them to test the frequency response of electronics components like op amp and sensors.  This waveform generator is powered by an Arduino.  It outputs four waveshapes: sine, triangle, pul...
By: amandaghassaei

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Wed, 25 Jul 2012 13:12:51 PDT
DPScope SE - the simplest real oscilloscope/logic analyzer on the planet http://www.instructables.com/id/DPScope-SE-the-simplest-real-oscilloscopelogic-/
DPScope SE - the simplest real oscilloscope/logic analyzer on the planet - More DIY How To Projects]]> http://cdn.instructables.com/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SQUARE2.jpg http://cdn.instructables.com/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SQUARE.jpg http://cdn.instructables.com/FL4/UPY4/H1JUEBFI/FL4UPY4H1JUEBFI.SMALL.jpg womai The DPScope SE is the result of a challenge I set for myself – to build a practically usable oscilloscope with a minimum amount of components and for minimum cost. The practical benefit is of course that this is an instrument that I hope will be interesting to many teachers, students and hobbyists l...
By: womai

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Mon, 30 Apr 2012 16:21:54 PDT
Analog Function Generator http://www.instructables.com/id/Function-Generator/
Analog Function Generator - More DIY How To Projects]]> http://cdn.instructables.com/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SQUARE2.jpg http://cdn.instructables.com/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SQUARE.jpg http://cdn.instructables.com/FB2/JIEQ/GZISQOLN/FB2JIEQGZISQOLN.SMALL.jpg laserjocky Are you sick of 555 timers? I sure am. That's why I decided to build a semi-decent function generator as my term project in my analog electronics course. This design is capable of producing a square, triangle, and approximate sine wave reliably up to a frequency of around 300kHz. Make It Real Chall...
By: laserjocky

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Sat, 10 Mar 2012 11:45:55 PST
How to make up your own lengths of Coaxial Cables for Cell Phone booster systems without crimping tools - LMR400 or 9913 cable/Type-N connectors http://www.instructables.com/id/How-to-make-up-your-own-lengths-of-Coaxial-Cables/
How to make up your own lengths of Coaxial Cables for Cell Phone booster systems without crimping tools - LMR400 or 9913 cable/Type-N connectors - More DIY How To Projects]]> http://cdn.instructables.com/F9S/JCQF/GXL5UY2N/F9SJCQFGXL5UY2N.SQUARE2.jpg http://cdn.instructables.com/F9S/JCQF/GXL5UY2N/F9SJCQFGXL5UY2N.SQUARE.jpg http://cdn.instructables.com/F9S/JCQF/GXL5UY2N/F9SJCQFGXL5UY2N.SMALL.jpg skipsta This instructable shows you how to make up coaxial cables to your specific lengths by using *clamp type* Type-N connectors at the ends of your cables, which requires using only simple tools.  This procedure is specific to LMR400 or Belden 9913 ultra low-loss cable types, but these techniques may be ...
By: skipsta

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Wed, 8 Feb 2012 19:07:31 PST
Wifi Signal Strainer (WokFi) Long Distance http://www.instructables.com/id/Wifi-Signal-Strainer-WokFi/
Wifi Signal Strainer (WokFi) Long Distance - More DIY How To Projects]]> http://cdn.instructables.com/FDJ/RFZP/F0HPZCGH/FDJRFZPF0HPZCGH.SQUARE2.jpg http://cdn.instructables.com/FDJ/RFZP/F0HPZCGH/FDJRFZPF0HPZCGH.SQUARE.jpg http://cdn.instructables.com/FDJ/RFZP/F0HPZCGH/FDJRFZPF0HPZCGH.SMALL.jpg danfolkes In this instructable I make a common WiFi Thumbdrive into a beefy wifi extender!'The parabolic Asian cooking(dumpling) strainer is the perfect candidate for this project.I was able to pick up 20 more access points in the city and connect to a network a few blocks away! This is BY-FAR the most simpl...
By: danfolkes

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Sun, 15 Apr 2007 01:35:44 PDT