http://www.instructables.com Wed, 19 Jun 2013 03:00:37 PDT BLOX v1.01 http://www.instructables.com/id/Guitar-to-AV-Receiver-Interface/
Guitar to AV Receiver Interface - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F51/XZGY/HHMI9AH9/F51XZGYHHMI9AH9.SQUARE2.jpg http://www.instructables.com/files/deriv/F51/XZGY/HHMI9AH9/F51XZGYHHMI9AH9.SQUARE.jpg http://www.instructables.com/files/deriv/F51/XZGY/HHMI9AH9/F51XZGYHHMI9AH9.SMALL.jpg technovative Have you ever wanted to amplify your electric guitar by plugging into an AV Receiver (home stereo)? Ever tried rigging up a 1/4" mono instrument plug to RCA patch cable? If so you most likely were disappointed when it didn't work. Most modern consumer grade AV equipment only has output power amplifi...
By: technovative

Continue Reading »]]> Mon, 10 Jun 2013 23:15:11 PDT http://www.instructables.com/id/Making-a-1-Watt-Solar-Array/
Making a 1 Watt Solar Array. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FBV/329P/GVMITGIH/FBV329PGVMITGIH.SQUARE2.jpg http://www.instructables.com/files/deriv/FBV/329P/GVMITGIH/FBV329PGVMITGIH.SQUARE.jpg http://www.instructables.com/files/deriv/FBV/329P/GVMITGIH/FBV329PGVMITGIH.SMALL.jpg Josehf Murchison I love my neighbor’s garbage I call them the parts department. In this, instructible I am building a Solar Array out of 30 solar lights my neighbor threw out. For this project I am only going to use 18 of the solar cells for the array I am building. The array will be able to charge a 12 volt 10 wat...
By: Josehf Murchison

Continue Reading »]]> Thu, 1 Dec 2011 10:07:48 PST http://www.instructables.com/id/How-to-Turn-Your-Initials-Into-a-Circuit/
Make Your Initials Look Nerdier! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZP/RA5H/HHMI8YAJ/FZPRA5HHHMI8YAJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FZP/RA5H/HHMI8YAJ/FZPRA5HHHMI8YAJ.SQUARE.jpg http://www.instructables.com/files/deriv/FZP/RA5H/HHMI8YAJ/FZPRA5HHHMI8YAJ.SMALL.jpg nodcah This is a simple circuit that turns your initials into a nerdy masterpiece. This project is aimed for beginners, but can be reproduced by anyone!  The circuit consists of a coin cell battery powering an LED, but is resisted by a sensor of your choice. If you liked this ible, be sure to leave feedb...
By: nodcah

Continue Reading »]]> Sat, 8 Jun 2013 19:28:34 PDT http://www.instructables.com/id/how-to-revive-a-first-generation-Olympic-447-trans/
how to revive a first generation Olympic 447 portable transistor radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SQUARE2.jpg http://www.instructables.com/files/deriv/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SQUARE.jpg http://www.instructables.com/files/deriv/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SMALL.jpg ke4mcl **this instructable assumes that you have basic electronics knowledge, you can solder, and you have the ability to use basic hand tools.** in this instructable we'll be covering the basic rebuild of an early portable transistor radio. these big transistor radios where called "lunchbox radios" and w...
By: ke4mcl

Continue Reading »]]> Fri, 7 Jun 2013 07:53:28 PDT http://www.instructables.com/id/Paper-Electronics-Conductive-Paints-Inks-and-Mo/
Paper Electronics: Conductive Paints, Inks, and More - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FO0/ZB42/HHI4UKII/FO0ZB42HHI4UKII.SQUARE2.jpg http://www.instructables.com/files/deriv/FO0/ZB42/HHI4UKII/FO0ZB42HHI4UKII.SQUARE.jpg http://www.instructables.com/files/deriv/FO0/ZB42/HHI4UKII/FO0ZB42HHI4UKII.SMALL.jpg icecats      This Instructable is all about the amazing technology of paper electronics and conductive materials. Instead of using stubborn wires and your rusty soldering skills to painstakingly connect components, why not use paint and glue? This tutorial will share various recipes to create your very own ...
By: icecats

Continue Reading »]]> Tue, 4 Jun 2013 12:07:03 PDT http://www.instructables.com/id/Convert-Battery-Powered-Electronics-to-Run-on-AC/
Convert Battery Powered Electronics to Run on AC - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FS4/HHK1/HH2VMT5V/FS4HHK1HH2VMT5V.SQUARE2.jpg http://www.instructables.com/files/deriv/FS4/HHK1/HH2VMT5V/FS4HHK1HH2VMT5V.SQUARE.jpg http://www.instructables.com/files/deriv/FS4/HHK1/HH2VMT5V/FS4HHK1HH2VMT5V.SMALL.jpg DIYHacksAndHowTos We use batteries to power a lot of our electronics. But there are some battery powered devices that don't necessarily need to be portable all the time. One example is my son's battery powered swing. It can be moved around but it usually stays in the same general area. In cases like these it might be...
By: DIYHacksAndHowTos

Continue Reading »]]> Mon, 3 Jun 2013 13:57:08 PDT http://www.instructables.com/id/how-to-revive-a-sylvania-reflex-circuit-transistor/
how to revive a sylvania reflex circuit transistor radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FF6/43BH/HH2VNY1Z/FF643BHHH2VNY1Z.SQUARE2.jpg http://www.instructables.com/files/deriv/FF6/43BH/HH2VNY1Z/FF643BHHH2VNY1Z.SQUARE.jpg http://www.instructables.com/files/deriv/FF6/43BH/HH2VNY1Z/FF643BHHH2VNY1Z.SMALL.jpg ke4mcl **this instructable takes into account that you're familiar with basic electronics, soldering, and basic hand tools.** this instructable is written around the sylvania 4P19W transistor radio. this size radio is what was called a coat pocket radio. this radio is unique in that it only uses 4 transis...
By: ke4mcl

Continue Reading »]]> Fri, 31 May 2013 16:02:25 PDT http://www.instructables.com/id/make-a-joule-thief-easily/
make a joule thief easily - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F1A/7B0K/HH2VNV1C/F1A7B0KHH2VNV1C.SQUARE2.jpg http://www.instructables.com/files/deriv/F1A/7B0K/HH2VNV1C/F1A7B0KHH2VNV1C.SQUARE.jpg http://www.instructables.com/files/deriv/F1A/7B0K/HH2VNV1C/F1A7B0KHH2VNV1C.SMALL.jpg argha halder firstly i want to thank 1up for his amazing instructable on making joule thief.today i want to share making of joule thief. white or blue led lights at almost 3 volts.but by using joule thief you can run leds at even 0.5 volts.but in this instructables i will be using 1.5 volt battery.you can use th...
By: argha halder

Continue Reading »]]> Fri, 31 May 2013 02:56:42 PDT http://www.instructables.com/id/Easy-DC-Motor-Controller/
Easy DC Motor Controller - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE2.jpg http://www.instructables.com/files/deriv/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE.jpg http://www.instructables.com/files/deriv/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SMALL.jpg mgingerich If you're building a robot or other microcontrolled gadget, you will need to drive DC motors forwards and backwards. In this instructable, I'll demonstrate a simple and inexpensive circuit that controls a DC motor from two I/O pins. It requires no integrated circuits, and uses commonly available par...
By: mgingerich

Continue Reading »]]> Mon, 27 May 2013 19:02:40 PDT http://www.instructables.com/id/Build-a-Human-Enhancement-Device-Basic-tDCS-Suppl/
Build a Human Enhancement Device (Basic tDCS Supply) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FAQ/VB7Q/HH2VTZ4E/FAQVB7QHH2VTZ4E.SQUARE2.jpg http://www.instructables.com/files/deriv/FAQ/VB7Q/HH2VTZ4E/FAQVB7QHH2VTZ4E.SQUARE.jpg http://www.instructables.com/files/deriv/FAQ/VB7Q/HH2VTZ4E/FAQVB7QHH2VTZ4E.SMALL.jpg quicksilv3rflash I was surprised and pleased to learn that human enhancement technologies not only exist, but are within the reach of the basic electronic hobbyist. This instructable is (of course) for educational purposes only and you may be violating local laws by constructing and/or using the device described her...
By: quicksilv3rflash

Continue Reading »]]> Sat, 25 May 2013 21:07:57 PDT http://www.instructables.com/id/Tardis-Bookshelf-with-Sound-and-Lights/
Tardis Bookshelf with Sound and Lights - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FX2/OJ30/HH2VY23S/FX2OJ30HH2VY23S.SQUARE2.jpg http://www.instructables.com/files/deriv/FX2/OJ30/HH2VY23S/FX2OJ30HH2VY23S.SQUARE.jpg http://www.instructables.com/files/deriv/FX2/OJ30/HH2VY23S/FX2OJ30HH2VY23S.SMALL.jpg Gears4Brains This is an instructable of how to make an 3/4 scale, 1/2 depth Tardis Bookshelf. It is modeled after the 10th Doctors Tardis from the British BBC America and BBC show "Doctor Who". It was a graduation present for my sister and took my parents and me about a month to build. The main system lights up...
By: Gears4Brains

Continue Reading »]]> Mon, 27 May 2013 13:58:18 PDT http://www.instructables.com/id/Use-Your-Laptop-as-Oscilloscope/
Use Your Laptop as Oscilloscope - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FBU/TZN3/HH2VN4DL/FBUTZN3HH2VN4DL.SQUARE2.jpg http://www.instructables.com/files/deriv/FBU/TZN3/HH2VN4DL/FBUTZN3HH2VN4DL.SQUARE.jpg http://www.instructables.com/files/deriv/FBU/TZN3/HH2VN4DL/FBUTZN3HH2VN4DL.SMALL.jpg saftari Oscilloscope is an electronic test instrument that allows projection of voltage signals to be displayed and learned. A specific circuit in the oscilloscope creates repeated moving signals from left to right. This repetition creates non-repeating waveforms that can be learned. Oscilloscopes are comm...
By: saftari

Continue Reading »]]> Mon, 27 May 2013 01:50:36 PDT http://www.instructables.com/id/Laser-Cut-Lead-Bender/
Laser-Cut Lead Bender - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FVM/5085/HH2VJ8TG/FVM5085HH2VJ8TG.SQUARE2.jpg http://www.instructables.com/files/deriv/FVM/5085/HH2VJ8TG/FVM5085HH2VJ8TG.SQUARE.jpg http://www.instructables.com/files/deriv/FVM/5085/HH2VJ8TG/FVM5085HH2VJ8TG.SMALL.jpg dgrover This handy tool lets you form the leads on resistors, diodes, and other small axial components quickly and accurately to 0.4” or 0.5”.  Make using a laser cutter with 1/4” or so thick acrylic.  Modify the design to add more sizes or other component types, and personalize with your own logo or name. ...
By: dgrover

Continue Reading »]]> Sun, 26 May 2013 07:54:38 PDT http://www.instructables.com/id/330-volt-Shocking-Electric-Deck-of-Cards-El/
330 volt "Shocking" Electric Deck of Cards! - (Electric Shock Kissing Prank) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FOD/FUKI/HH2VIWQN/FODFUKIHH2VIWQN.SQUARE2.jpg http://www.instructables.com/files/deriv/FOD/FUKI/HH2VIWQN/FODFUKIHH2VIWQN.SQUARE.jpg http://www.instructables.com/files/deriv/FOD/FUKI/HH2VIWQN/FODFUKIHH2VIWQN.SMALL.jpg The King of Random Here's how to make a deck of cards that will pump out a shocking 330 volts of electricity.  Stuart Edge used it in his "Electric Shock Kissing Prank" to show the ladies how a man can really put the sparks in a kiss. http://www.thekingofrandom.com See the "Stuart Edge - Electric Shock Kissing ...
By: The King of Random

Continue Reading »]]> Fri, 24 May 2013 16:34:01 PDT http://www.instructables.com/id/Simple-Electronic-Piano-with-555-timer-in-CD-Case/
Simple Electronic Piano with 555 timer in CD Case - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SQUARE2.jpg http://www.instructables.com/files/deriv/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SQUARE.jpg http://www.instructables.com/files/deriv/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SMALL.jpg faziefazie In this instructable, I will show you how to make a simple electronic piano with common components. It uses capacitors and resistors, so you could easily modify the circuit. When the project is finished you will have a working simple circuit that can produce a variety of tones. Of course, there are...
By: faziefazie

Continue Reading »]]> Tue, 21 May 2013 06:16:13 PDT http://www.instructables.com/id/how-to-recover-a-dry-printer-head/
how to recover a dry printer head - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FKJ/RR4Z/HGU2EA29/FKJRR4ZHGU2EA29.SQUARE2.jpg http://www.instructables.com/files/deriv/FKJ/RR4Z/HGU2EA29/FKJRR4ZHGU2EA29.SQUARE.jpg http://www.instructables.com/files/deriv/FKJ/RR4Z/HGU2EA29/FKJRR4ZHGU2EA29.SMALL.jpg andrea biffi How many time do you have found your inkjet printer dead after a standing idle long period? Because of the low durability of inkjet prints I usually send them to a web print-shop, so my colours, althought I try to remember to keep them making exercise, often get dry. This happens more certainly if y...
By: andrea biffi

Continue Reading »]]> Tue, 21 May 2013 12:08:48 PDT http://www.instructables.com/id/Automatic-Watering-System-2/
Automatic Watering System - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F2T/Z57D/HGU2JRO0/F2TZ57DHGU2JRO0.SQUARE2.jpg http://www.instructables.com/files/deriv/F2T/Z57D/HGU2JRO0/F2TZ57DHGU2JRO0.SQUARE.jpg http://www.instructables.com/files/deriv/F2T/Z57D/HGU2JRO0/F2TZ57DHGU2JRO0.SMALL.jpg Jochefor For making this circuit you will need basic knowledge of electronics, also you need to know how to make a PCB. If you don't know how to make a PCB and you want to know how, we recommend you to go to google and you tube and search "How to make a pcb" before you continue with this tutorial. What we n...
By: Jochefor

Continue Reading »]]> Mon, 20 May 2013 09:57:44 PDT http://www.instructables.com/id/Fast-and-Easy-PCB-Prototyping-with-Vinyl/
Fast and Easy PCB Prototyping with Vinyl! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SQUARE2.jpg http://www.instructables.com/files/deriv/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SQUARE.jpg http://www.instructables.com/files/deriv/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SMALL.jpg BitBoink Hello everybody !!! One of the most aggravating things when creating DIY circuits is the making of the PCB. Up till now, DIY methods require alot of work and time on each board. If you have struggled with other methods of DIY PCB prototyping you've likely figured out the hard way that they can be f...
By: BitBoink

Continue Reading »]]> Thu, 8 Dec 2011 15:16:32 PST http://www.instructables.com/id/Making-Printed-circuit-Boards-at-or-Near-Home-A-C/
Making Printed circuit Boards at or Near Home: A Comprehensive Overview, Almost a Guide - More DIY How To Projects]]> http://cdn.instructables.com/FKQ/FUDK/GLWQVPH0/FKQFUDKGLWQVPH0.SQUARE2.jpg http://cdn.instructables.com/FKQ/FUDK/GLWQVPH0/FKQFUDKGLWQVPH0.SQUARE.jpg http://cdn.instructables.com/FKQ/FUDK/GLWQVPH0/FKQFUDKGLWQVPH0.SMALL.jpg russ_hensel There is a bit of controversy over making your own printed circuit boards, many makers think that professional boards are so inexpensive now that they are the way to go. Others want to have more control and hopefully short turn around time that comes with making their own. This instructable assumes ...
By: russ_hensel

Continue Reading »]]> Fri, 8 Apr 2011 11:42:05 PDT http://www.instructables.com/id/Thermoelectric-Peltier-Air-Conditioner/
Mini Peltier Air Conditioner (Plans) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FWM/2A6K/G8B8VUVY/FWM2A6KG8B8VUVY.SQUARE2.jpg http://www.instructables.com/files/deriv/FWM/2A6K/G8B8VUVY/FWM2A6KG8B8VUVY.SQUARE.jpg http://www.instructables.com/files/deriv/FWM/2A6K/G8B8VUVY/FWM2A6KG8B8VUVY.SMALL.jpg ASCAS This Instructable will show you how to make a environmental friendly portable air conditioner. This machine uses a Peltier Module as a cooling  mechanism and some cooling fans for blowing air. Here is a Picture How It Works This is just like the everyday air conditioner that we use. The only thin...
By: ASCAS

Continue Reading »]]> Wed, 21 Apr 2010 21:44:16 PDT http://www.instructables.com/id/From-Candy-Boxes-to-Proto-Boxes/
From Candy Boxes to Proto Boxes - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FH7/WL7W/HGIEVP7B/FH7WL7WHGIEVP7B.SQUARE2.jpg http://www.instructables.com/files/deriv/FH7/WL7W/HGIEVP7B/FH7WL7WHGIEVP7B.SQUARE.jpg http://www.instructables.com/files/deriv/FH7/WL7W/HGIEVP7B/FH7WL7WHGIEVP7B.SMALL.jpg Josehf Murchison I salvage electronics for parts and projects and I like clear proto boxes to put my projects into, that way I can show off my work. I can never find proto boxes in the store when I want one, let alone clear proto boxes that let me see the internal components until one day I spotted some candy in the...
By: Josehf Murchison

Continue Reading »]]> Wed, 15 May 2013 04:41:18 PDT http://www.instructables.com/id/A-cool-Op-Amp-demonstration-Differential-Light-Me/
A cool Op-Amp demonstration: Differential Light Meter - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSI/PSFW/HET1B8BJ/FSIPSFWHET1B8BJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FSI/PSFW/HET1B8BJ/FSIPSFWHET1B8BJ.SQUARE.jpg http://www.instructables.com/files/deriv/FSI/PSFW/HET1B8BJ/FSIPSFWHET1B8BJ.SMALL.jpg SarahandDillon What is a differential light meter? A differential light meter is a nifty little tool that will tell you how much brighter the surrounding light is on one side of the meter than the other.  With a little imagination and a little engineering, you could connect a whole bunch of these together in diff...
By: SarahandDillon

Continue Reading »]]> Sun, 31 Mar 2013 22:58:03 PDT http://www.instructables.com/id/PCB-making-guide/
PCB making guide - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SQUARE2.jpg http://www.instructables.com/files/deriv/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SQUARE.jpg http://www.instructables.com/files/deriv/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SMALL.jpg pinomelean There are many ways to make your own homemade PCB's, They all work, but some better than other, some faster than other, ones are cheap and others expensive.... After several attempts, i found the way of making PCB's, wich is the cheapest, easiest and fastest for me. I hope this instructable will he...
By: pinomelean

Continue Reading »]]> Sun, 12 May 2013 07:05:02 PDT http://www.instructables.com/id/PowerTube-Vr-1/
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE2.jpg http://www.instructables.com/files/deriv/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sat, 11 May 2013 15:43:09 PDT http://www.instructables.com/id/High-efficiency-regulated-Joule-thief/
High efficiency regulated Joule thief - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE2.jpg http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE.jpg http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SMALL.jpg Milen      Normally the Joule thief produces output voltage, which value is difficult to predict. Without load (the LED) I have measured voltages over 30 V. I wanted to create a Joule thief, which can be used to supply some small electronic devices, but having well defined and stable output voltage. There...
By: Milen

Continue Reading »]]> Thu, 9 May 2013 14:24:03 PDT http://www.instructables.com/id/The-Scariac-Poor-Mans-Variable-Power-Controller/
The Scariac (Poor Mans Variable Power Controller) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FMF/IBWS/HGH712KB/FMFIBWSHGH712KB.SQUARE2.jpg http://www.instructables.com/files/deriv/FMF/IBWS/HGH712KB/FMFIBWSHGH712KB.SQUARE.jpg http://www.instructables.com/files/deriv/FMF/IBWS/HGH712KB/FMFIBWSHGH712KB.SMALL.jpg The King of Random Mixing water with electricity is risky, and can be lethal.  However, in this project we're using it to make one of the cheapest kinds of power controller.  The Scariac. http://www.thekingofrandom.com Watch the Video WARNING: This project is extremely dangerous and should only be attempted ...
By: The King of Random

Continue Reading »]]> Thu, 9 May 2013 10:07:24 PDT http://www.instructables.com/id/Irrigating-your-garden-with-an-opamp-The-circuit/
Irrigating your garden with an opamp: The circuit, list of materials - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SQUARE2.jpg http://www.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SQUARE.jpg http://www.instructables.com/files/deriv/FE6/PHK8/H1ZG734B/FE6PHK8H1ZG734B.SMALL.jpg diy_bloke In an earlier instructable, presenting an automatic  garden watering project with an Attiny, I mentioned it could also be done with an op amp. So, let me put my money where my mouth is and present you one. It has an option to use a regular relay, or a solid state relay Here is what you need: 1 Opam...
By: diy_bloke

Continue Reading »]]> Mon, 14 May 2012 06:52:10 PDT http://www.instructables.com/id/How-to-revive-a-portable-8-Track-tape-player/
How to revive a portable 8-Track tape player - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FQ8/KCSJ/HG85C6KS/FQ8KCSJHG85C6KS.SQUARE2.jpg http://www.instructables.com/files/deriv/FQ8/KCSJ/HG85C6KS/FQ8KCSJHG85C6KS.SQUARE.jpg http://www.instructables.com/files/deriv/FQ8/KCSJ/HG85C6KS/FQ8KCSJHG85C6KS.SMALL.jpg ke4mcl *** this instructable takes into account that you have some mechanical dexterity and some experience in disassembling consumer electronics *** lalala music music KERCHUNK! the lowly 8-track tape, abandoned long ago in favor of the cassette tape. they can still be easily found at thrift stores and...
By: ke4mcl

Continue Reading »]]> Thu, 2 May 2013 15:54:39 PDT http://www.instructables.com/id/Build-your-own-intercom-or-walkie-talkie-out-of-tw/
Build your own intercom or walkie talkie out of two old cordless phones - More DIY How To Projects]]> http://cdn.instructables.com/FBT/63RY/41KEP28245G/FBT63RY41KEP28245G.SQUARE2.jpg http://cdn.instructables.com/FBT/63RY/41KEP28245G/FBT63RY41KEP28245G.SQUARE.jpg http://cdn.instructables.com/FBT/63RY/41KEP28245G/FBT63RY41KEP28245G.SMALL.jpg RTourn We all have old phones. Why not turn them into an intercom for your kids tree house. Or turn two old cordless phones into home base walkie talkie. Here is how. Materials In-Line coupler (I got mine at Frys for 1.49) 9 volt connector (radio shack, or cut it out of some old piece of junk) wire-ni...
By: RTourn

Continue Reading »]]> Wed, 21 Jun 2006 18:36:23 PDT http://www.instructables.com/id/Semi-Conducting-A-Guide/
Semi Conducting - A Guide - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FKY/URBK/GLL4V86Y/FKYURBKGLL4V86Y.SQUARE2.jpg http://www.instructables.com/files/deriv/FKY/URBK/GLL4V86Y/FKYURBKGLL4V86Y.SQUARE.jpg http://www.instructables.com/files/deriv/FKY/URBK/GLL4V86Y/FKYURBKGLL4V86Y.SMALL.jpg 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

Continue Reading »]]> Wed, 13 Apr 2011 14:01:06 PDT http://www.instructables.com/id/Adjustable-Voltage-Step-up-07-55V-to-27-55V/
Adjustable Voltage Step-up (0.7-5.5V to 2.7-5.5V) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F2K/RFE1/HFPT9HVQ/F2KRFE1HFPT9HVQ.SQUARE2.jpg http://www.instructables.com/files/deriv/F2K/RFE1/HFPT9HVQ/F2KRFE1HFPT9HVQ.SQUARE.jpg http://www.instructables.com/files/deriv/F2K/RFE1/HFPT9HVQ/F2KRFE1HFPT9HVQ.SMALL.jpg Joohansson Introduction: A voltage step-up is a circuit that increases the voltage. It can be AC/AC, AC/DC, DC/AC or DC/DC. This voltage step-up is a DC/DC adjustable voltage regulator. Usually a voltage regulator is fed by a higher input than output voltage, for example 9V IN to 5V OUT. This circuit will take...
By: Joohansson

Continue Reading »]]> Wed, 1 May 2013 11:00:03 PDT http://www.instructables.com/id/Battery-Charger-Powered-by-Fire/
Smartphone Charger Powered by Fire - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SQUARE2.jpg http://www.instructables.com/files/deriv/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SQUARE.jpg http://www.instructables.com/files/deriv/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SMALL.jpg Joohansson Portable, Compact and Adjustable ThermoElectric Emergency Generator. Background: The reason for this project was to solve a problem I have. I sometimes do several days of hiking/backpacking in the wild and I always bring a smartphone with GPS and maybe other electronics. They need electricity a...
By: Joohansson

Continue Reading »]]> Wed, 1 May 2013 11:03:17 PDT http://www.instructables.com/id/Single-AA-LiFePo4-cell-powered-project-in-a-parti/
LiFePO4 (3.2V) project, within a 3 x AA battery holder! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FN7/6S20/HFPTGX06/FN76S20HFPTGX06.SQUARE2.jpg http://www.instructables.com/files/deriv/FN7/6S20/HFPTGX06/FN76S20HFPTGX06.SQUARE.jpg http://www.instructables.com/files/deriv/FN7/6S20/HFPTGX06/FN76S20HFPTGX06.SMALL.jpg manuka Thinking "inside the box" ? Check this novel electronic project case, which is formed from a partially gutted 3 x AA cell switched battery holder !  Circuitry is mounted on a sliced solderless breadboard, while a "Kiwi Board" layout suits a final soldered version.  Power is via a single 3.2 V  LiFeP...
By: manuka

Continue Reading »]]> Tue, 23 Apr 2013 03:28:51 PDT http://www.instructables.com/id/How-to-make-a-small-wind-generator-In-celebration/
How to make a small wind generator (In celebration of earth day!) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFP/G6YC/HFSHS9LW/FFPG6YCHFSHS9LW.SQUARE2.jpg http://www.instructables.com/files/deriv/FFP/G6YC/HFSHS9LW/FFPG6YCHFSHS9LW.SQUARE.jpg http://www.instructables.com/files/deriv/FFP/G6YC/HFSHS9LW/FFPG6YCHFSHS9LW.SMALL.jpg out-of-the-box In this i will show you how to make a wind generator that produces electricity! I will only walk you through making the generator but it is up to you to figure out what you want to do with the electricity it produces! i havent gotten that far yet but i am planning on making a charge circuit so follo...
By: out-of-the-box

Continue Reading »]]> Sun, 21 Apr 2013 16:39:40 PDT 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

Continue Reading »]]> Fri, 10 Feb 2012 04:19:20 PST http://www.instructables.com/id/How-to-Make-a-19-Police-Radio-Scanner/
How to Make a $19 Police Radio Scanner - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE2.jpg http://www.instructables.com/files/deriv/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE.jpg http://www.instructables.com/files/deriv/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SMALL.jpg harrysand In this guide I will explain how to build an inexpensive SDR (software defined radio) that can be used to receive police, fire, taxi, and other digital radio transmissions. I will do my best to explain the steps in detail, and provide further resources to help along the way. For the radio enthusias...
By: harrysand

Continue Reading »]]> Fri, 19 Apr 2013 08:53:45 PDT http://www.instructables.com/id/Button-ActivatedAnything/
Button Activated...Anything! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3B/COIM/HFD1KJQB/F3BCOIMHFD1KJQB.SQUARE2.jpg http://www.instructables.com/files/deriv/F3B/COIM/HFD1KJQB/F3BCOIMHFD1KJQB.SQUARE.jpg http://www.instructables.com/files/deriv/F3B/COIM/HFD1KJQB/F3BCOIMHFD1KJQB.SMALL.jpg haunted.haunt Have you ever wanted a button to trigger something on your computer?  Well, Here is how you can do it. Materials and Tools Here is what you will need to make this simple rig: •PS/2 Or USB Keyboard (wireless may work) depending on what you have or what your computer can support. •Button of your ...
By: haunted.haunt

Continue Reading »]]> Tue, 16 Apr 2013 20:16:11 PDT http://www.instructables.com/id/How-Electronic-Switches-Work-For-Noobs-Relays-and/
How Electronic Switches Work For Noobs: Relays and Transistors - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FU7/QIO8/GZKG3QNF/FU7QIO8GZKG3QNF.SQUARE2.jpg http://www.instructables.com/files/deriv/FU7/QIO8/GZKG3QNF/FU7QIO8GZKG3QNF.SQUARE.jpg http://www.instructables.com/files/deriv/FU7/QIO8/GZKG3QNF/FU7QIO8GZKG3QNF.SMALL.jpg jpoopdog Hello, This Instructable is targeted at those just stepping into the world of electronics. In this guide I will explain how the two main types of electronic switches work, these being relays, and transistors. Firstly, what is an electronic switch? An electronic switch is essentially just a switch...
By: jpoopdog

Continue Reading »]]> Wed, 7 Mar 2012 14:59:24 PST http://www.instructables.com/id/Zombie-Attack-Easy-to-build/
Zombie Attack! Easy to build! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SQUARE2.jpg http://www.instructables.com/files/deriv/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SQUARE.jpg http://www.instructables.com/files/deriv/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SMALL.jpg simonfrfr Hello, I am here, presenting you, another project, which is low in cost, that is easy to build. Zombies are attacking, and you need a way to defend against them, so you decide to build the zombie rifle to defend against Zombies. Overall, this project is a low cost, quick build. Most if not all of th...
By: simonfrfr

Continue Reading »]]> Sun, 14 Apr 2013 19:13:20 PDT http://www.instructables.com/id/simple-cheap-cool-waterproof-and-gummy-diy-batt/
simple, cheap, cool, waterproof and gummy diy battery holder - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SQUARE2.jpg http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SQUARE.jpg http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SMALL.jpg andrea biffi I know how many of you inventors have desired a versatile battery holder to power your projects, I know you can't sleep without that... so this strange accessory has born ;-) This gadget has a simple function, keep a battery inside, and yes you could buy an ordinary plastic black and impersonal batt...
By: andrea biffi

Continue Reading »]]> Thu, 11 Apr 2013 13:28:57 PDT http://www.instructables.com/id/ATX-power-supply-to-benchtop-power-supply/
ATX power supply to benchtop power supply - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FK1/HSJH/HFD16K9U/FK1HSJHHFD16K9U.SQUARE2.jpg http://www.instructables.com/files/deriv/FK1/HSJH/HFD16K9U/FK1HSJHHFD16K9U.SQUARE.jpg http://www.instructables.com/files/deriv/FK1/HSJH/HFD16K9U/FK1HSJHHFD16K9U.SMALL.jpg gman1881 i would like to start off by saying this is my very first instructable. This projects was started by me looking for something to do with an old computer i have that is out dated and virtual useless. I saw a few PSU (power supply unit) to bench top power supplies on youtube and decided that this was ...
By: gman1881

Continue Reading »]]> Thu, 11 Apr 2013 00:06:07 PDT http://www.instructables.com/id/Adaptable-24vDC220vAC-Pure-Sinewave-Inverter-1/ http://www.instructables.com/files/deriv/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SQUARE2.jpg http://www.instructables.com/files/deriv/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SQUARE.jpg http://www.instructables.com/files/deriv/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SMALL.jpg nickk Here is a very simple pure sinewave inverter based on the microntoller "PIC 16F628A", "don't freak out !", NO it is not difficult to use microntollers, actually it could not be any easier than this. For those wondering, Yes I myself designed the circuit concept, schematic and components but had to ...
By: nickk

Continue Reading »]]> Fri, 21 Dec 2012 10:19:58 PST http://www.instructables.com/id/My-PCB-Making/
My PCB Making - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SQUARE2.jpg http://www.instructables.com/files/deriv/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SQUARE.jpg http://www.instructables.com/files/deriv/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SMALL.jpg msuzuki777 So this Lazy Old Geek (LOG) decided to start making my own PCBs (Printed Circuit Boards). There are a lot of good Instructables to do this but I couldn't find one to do the whole process the way I wanted to. As some of you may know, I am a stickler for details. Here are some of my 'requirements': ...
By: msuzuki777

Continue Reading »]]> Sun, 12 Aug 2012 09:28:29 PDT http://www.instructables.com/id/Vinyl-Sticker-PCB-How-To/
Vinyl Sticker PCB - How To - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FGM/965X/HEXSMS3C/FGM965XHEXSMS3C.SQUARE2.jpg http://www.instructables.com/files/deriv/FGM/965X/HEXSMS3C/FGM965XHEXSMS3C.SQUARE.jpg http://www.instructables.com/files/deriv/FGM/965X/HEXSMS3C/FGM965XHEXSMS3C.SMALL.jpg msuzuki777 So this Lazy Old Geek (LOG) is getting in to making PCBs. I’ve already done one Instructable: http://www.instructables.com/id/My-PCB-Making/ I still like to use Eagle CadSoft but my friend, OffTheRails2010 told me about a better toner transfer method using vinyl stickers. Well, I don’t know why they...
By: msuzuki777

Continue Reading »]]> Tue, 2 Apr 2013 10:35:31 PDT http://www.instructables.com/id/Create-a-DC-Power-Supply/
Create a DC Power Supply - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SQUARE2.jpg http://www.instructables.com/files/deriv/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SQUARE.jpg http://www.instructables.com/files/deriv/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SMALL.jpg nichloe How to make a DC power supply using the AC wall voltage! Build a basic full-wave bridge rectifier Your circuit should contain: 1. A transformer with a turn ratio of about 6. Connect your transformer to a power strip with an on and off switch for safety. The voltage from the wall is generally ab...
By: nichloe

Continue Reading »]]> Sun, 31 Mar 2013 23:13:18 PDT http://www.instructables.com/id/Small-Joule-Thief/ http://www.instructables.com/files/deriv/FAA/AF29/HEXSAQ0V/FAAAF29HEXSAQ0V.SQUARE2.jpg http://www.instructables.com/files/deriv/FAA/AF29/HEXSAQ0V/FAAAF29HEXSAQ0V.SQUARE.jpg http://www.instructables.com/files/deriv/FAA/AF29/HEXSAQ0V/FAAAF29HEXSAQ0V.SMALL.jpg bananagirl I saw a tiny joule thief here: http://www.bigclive.com/joule.htm.  I wanted to replicate the size, but leave the application open for use in different projects.  By following this excellent instructable: http://www.instructables.com/id/Make-a-Joule-Thief/ I was able to fit my circuit inside a 5x5 sq...
By: bananagirl

Continue Reading »]]> Sun, 31 Mar 2013 10:19:41 PDT http://www.instructables.com/id/Thermoelectric-Fan-Driven-by-a-Candle/ http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE2.jpg http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE.jpg http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SMALL.jpg Joohansson A Thermoelectric generator powered by a tealight. It started as an experiment of how much power I could get from one candle. But I liked the idea and it worked really well so I built this electric-mechanical ornament. I did not use a high temperature TEG-module, but instead a cheap TEC-module. That ...
By: Joohansson

Continue Reading »]]> Sat, 30 Mar 2013 03:04:10 PDT http://www.instructables.com/id/Customize-You-Thumbdrive/
Customize Your Own Thumbdrive!!! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FXI/ABSM/HET1AKF2/FXIABSMHET1AKF2.SQUARE2.jpg http://www.instructables.com/files/deriv/FXI/ABSM/HET1AKF2/FXIABSMHET1AKF2.SQUARE.jpg http://www.instructables.com/files/deriv/FXI/ABSM/HET1AKF2/FXIABSMHET1AKF2.SMALL.jpg schin7 Has your USB thumbdrive ever gotten mixed up with someone else's? Well, after this tuorial you will have a thumbdrive like none  other!! This is probably one of the easiest HOW-TOs out there and it doesn't require any tools apart from the ones lying around your own house..so without further ado, LET...
By: schin7

Continue Reading »]]> Wed, 27 Mar 2013 23:01:30 PDT http://www.instructables.com/id/camera-jacket/
camera jacket - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3L/TJ85/HEBMZ8QA/F3LTJ85HEBMZ8QA.SQUARE2.jpg http://www.instructables.com/files/deriv/F3L/TJ85/HEBMZ8QA/F3LTJ85HEBMZ8QA.SQUARE.jpg http://www.instructables.com/files/deriv/F3L/TJ85/HEBMZ8QA/F3LTJ85HEBMZ8QA.SMALL.jpg mikeasaurus Camera jacket is a concept exploring the idea of discreetly capturing image media in public locations.  This design has a small digital camera installed in the lining of a jacket with the lens recording through a small opening in the jacket breast. The camera is operated with buttons wired into the ...
By: mikeasaurus

Continue Reading »]]> Tue, 26 Mar 2013 14:22:08 PDT http://www.instructables.com/id/Add-a-Remote-Control-to-Just-About-Anything/
Add a Remote Control to Just About Anything! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FR3/VU4L/HEI4FGTO/FR3VU4LHEI4FGTO.SQUARE2.jpg http://www.instructables.com/files/deriv/FR3/VU4L/HEI4FGTO/FR3VU4LHEI4FGTO.SQUARE.jpg http://www.instructables.com/files/deriv/FR3/VU4L/HEI4FGTO/FR3VU4LHEI4FGTO.SMALL.jpg lonesoulsurfer In this Instructable I’ll show you how to add a cheap remote control to just about anything! that takes your fancy. Last year I built a compressed air rocket launcher which was featured in MAKE Magazine.  The rocket launcher is a heap of fun and my kids love it.  The rockets themselves are made fro...
By: lonesoulsurfer

Continue Reading »]]> Thu, 21 Mar 2013 18:19:01 PDT