Instructables: exploring - technology - electronics - diy - easy - featured http://www.instructables.com Sat, 1 Aug 2015 07:10:28 PDT BLOX v1.01 Simple External Telephone Ringer http://www.instructables.com/id/Simple-External-Telephone-Ringer/
Simple External Telephone Ringer - More DIY How To Projects]]> http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SQUARE2.jpg http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SQUARE.jpg http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SMALL.jpg fletcherjeremiah This is a simple external ringer for a landline telephone. Have you ever missed an important call because you didn't hear the phone? Or maybe you'd rather not wait by the phone for that special someone? Then this is exactly what you need! This ringer will allow you to hear incoming calls throughout ...
By: fletcherjeremiah

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Thu, 7 May 2015 14:19:20 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
PowerTube Vr. 1 for bicycle headlight http://www.instructables.com/id/PowerTube-Vr-1/
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE2.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SMALL.jpg 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
Wake-up light (no arduino) http://www.instructables.com/id/Wake-up-light-no-arduino/
Wake-up light (no arduino) - More DIY How To Projects]]> http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SQUARE2.jpg http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SQUARE.jpg http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SMALL.jpg Giedow Hello instructables people, Every morning when my alarm rings I have trouble getting out of bed. (so I am always late) To help me wake up I wanted to buy a wake-up light, it's supposed to help you wake up by giving the impression of a sunrise by getting brighter every minute after the alarm goes. Un...
By: Giedow

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Sat, 13 Oct 2012 14:10:23 PDT
How to use a breadboard http://www.instructables.com/id/How-to-use-a-breadboard/
How to use a breadboard - More DIY How To Projects]]> http://cdn.instructables.com/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SQUARE2.jpg http://cdn.instructables.com/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SQUARE.jpg http://cdn.instructables.com/FU0/11AZ/GYGF8IV4/FU011AZGYGF8IV4.SMALL.jpg 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
How To Build An Optical Theremin http://www.instructables.com/id/How-To-Build-An-Optical-Theremin/
How To Build An Optical Theremin - More DIY How To Projects]]> http://cdn.instructables.com/F0T/JA38/FBU0WYNO/F0TJA38FBU0WYNO.SQUARE2.jpg http://cdn.instructables.com/F0T/JA38/FBU0WYNO/F0TJA38FBU0WYNO.SQUARE.jpg http://cdn.instructables.com/F0T/JA38/FBU0WYNO/F0TJA38FBU0WYNO.SMALL.jpg sacred What is a theremin? It is an instrument that can be played without being touched. Traditional theremins use antennas and oscillators to sense a person's hand and generate a tone. Ours will use light instead of this, it is not an actual theremin, it just uses similar principles. As a side note, this ...
By: sacred

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Thu, 24 Jan 2008 18:31:02 PST
Small fan http://www.instructables.com/id/Small-fan/
Small fan - More DIY How To Projects]]> http://cdn.instructables.com/FD4/X9O5/9HAEWIJLMD8/FD4X9O59HAEWIJLMD8.SQUARE2.jpg http://cdn.instructables.com/FD4/X9O5/9HAEWIJLMD8/FD4X9O59HAEWIJLMD8.SQUARE.jpg http://cdn.instructables.com/FD4/X9O5/9HAEWIJLMD8/FD4X9O59HAEWIJLMD8.SMALL.jpg Modeo Small electric fan from spare parts. Parts What you will need: - small electrical motor and its power supply (I used a 12v old typewriter motor) - switch - bridge (4diodes in case you have an AC power source) - wire coat hanger - 2 hose clamps - bit of rubber tubing to fit over coat hanger wire -...
By: Modeo

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Fri, 5 Jan 2007 18:09:36 PST