Instructables: exploring - technology - electronics - popular http://www.instructables.com Sat, 19 Apr 2014 18:49:19 PDT BLOX v1.01 Attiny25/45/85 Police Light, with Arduino! http://www.instructables.com/id/Attiny254585-Police-Light-with-Arduino/
Attiny25/45/85 Police Light, with Arduino! - More DIY How To Projects]]> http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE2.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to build a multi functional Police Light with a Attiny25/45/85 . It will have serval animations , which can be changed with a button on the circuit board, it has 2 channels, which can be controlled with PWM. That allows us to add serval animations or po...
By: Jan_Henrik

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Sat, 19 Apr 2014 07:19:46 PDT
Build Your Own Batteries! http://www.instructables.com/id/Build-Your-Own-Batteries-1/
Build Your Own Batteries! - More DIY How To Projects]]> http://cdn.instructables.com/FAI/BTK4/HU1RW2XQ/FAIBTK4HU1RW2XQ.SQUARE2.jpg http://cdn.instructables.com/FAI/BTK4/HU1RW2XQ/FAIBTK4HU1RW2XQ.SQUARE.jpg http://cdn.instructables.com/FAI/BTK4/HU1RW2XQ/FAIBTK4HU1RW2XQ.SMALL.jpg Constructed Have you ever wanted to make your own batteries? I will show you how to make one using ordinary household items.The batteries are very small, and to power bigger things, You may need to make more and connect them. Please Note I have almost no money. If you would like to see more great projects l...
By: Constructed

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Wed, 16 Apr 2014 07:12:56 PDT
Wearable Message Board http://www.instructables.com/id/Wearable-Message-Board/
Wearable Message Board - More DIY How To Projects]]> http://cdn.instructables.com/F7Z/CXBM/HTZ3EVSK/F7ZCXBMHTZ3EVSK.SQUARE2.jpg http://cdn.instructables.com/F7Z/CXBM/HTZ3EVSK/F7ZCXBMHTZ3EVSK.SQUARE.jpg http://cdn.instructables.com/F7Z/CXBM/HTZ3EVSK/F7ZCXBMHTZ3EVSK.SMALL.jpg mroy15 I had several 8x8 LED matrices with a MAX7219 driver board lying around for a clock/message board project i'm working on.  I'm heading to RobotFest in MD this weekend with my kid and thought it'd be fun to make a wearable message board to clip on my backpack since I had the parts lying around.   ...
By: mroy15

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Sun, 13 Apr 2014 22:00:20 PDT
Wiring the MOSFET transistor http://www.instructables.com/id/Wiring-the-MOSFET-transistor-for-beginners/
Wiring the MOSFET transistor - More DIY How To Projects]]> http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SQUARE2.jpg http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SQUARE.jpg http://cdn.instructables.com/FQ9/AFD4/HTRVHM2S/FQ9AFD4HTRVHM2S.SMALL.jpg blackfire4116 The MOSFET transistor is an easy way to allow your Arduino or other micro-controller to handle voltages larger than the 5 volts available for each pin. It's really helpful knowledge if your ever wanting to drive something that requires significant more power than a micro-controller can provide. I'm ...
By: blackfire4116

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Sat, 12 Apr 2014 17:27:45 PDT
An All-in-one Component Toolbox and Workstation http://www.instructables.com/id/An-All-in-one-Component-Toolbox-and-Workstation/
An All-in-one Component Toolbox and Workstation - More DIY How To Projects]]> http://cdn.instructables.com/FOP/93MP/HTVMR2X1/FOP93MPHTVMR2X1.SQUARE2.jpg http://cdn.instructables.com/FOP/93MP/HTVMR2X1/FOP93MPHTVMR2X1.SQUARE.jpg http://cdn.instructables.com/FOP/93MP/HTVMR2X1/FOP93MPHTVMR2X1.SMALL.jpg TannyPB Nowadays, many people have taken up the hobby of electronics. While being an interesting and incredibly productive hobby, keeping all components such as resistors, capacitors, ICs etc neatly in one place is a pain. Of course, one can make a proper toolbox for all this stuff and make some robot  sor...
By: TannyPB

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Sat, 12 Apr 2014 03:24:48 PDT
Anti TV Licence Lock http://www.instructables.com/id/Anti-TV-Licence-Lock/ http://cdn.instructables.com/F72/V90F/HTTMZQ43/F72V90FHTTMZQ43.SQUARE2.jpg http://cdn.instructables.com/F72/V90F/HTTMZQ43/F72V90FHTTMZQ43.SQUARE.jpg http://cdn.instructables.com/F72/V90F/HTTMZQ43/F72V90FHTTMZQ43.SMALL.jpg andrew mcneil In the UK we have to buy a TV licence if you watch over the air broadcast programs. The problem is that the BBC will not believe you if you say you don’t watch their programs. As such they will harass you with letters threats of prosecution and visits to your home by their so called inspectors. In t...
By: andrew mcneil

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Thu, 10 Apr 2014 06:40:14 PDT
Car Digital Compass & Thermometer http://www.instructables.com/id/Car-Digital-Compass-Thermometer/
Car Digital Compass & Thermometer - More DIY How To Projects]]> http://cdn.instructables.com/F3J/R3QR/HGIEW5RI/F3JR3QRHGIEW5RI.SQUARE2.jpg http://cdn.instructables.com/F3J/R3QR/HGIEW5RI/F3JR3QRHGIEW5RI.SQUARE.jpg http://cdn.instructables.com/F3J/R3QR/HGIEW5RI/F3JR3QRHGIEW5RI.SMALL.jpg JeonLab I'm not really good at finding places and direction but at least I'm able to read maps and compass. These days, GPS navigation systems are getting more popular, so probably some people would say why I need a  compass. Well, first off, I like gadgets and if I can make one, that will be much better to...
By: JeonLab

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Tue, 16 Apr 2013 19:49:43 PDT
Wake Up Light 10+ Watt LED http://www.instructables.com/id/Wake-Up-Light-10-Watt-LED/
Wake Up Light 10+ Watt LED - More DIY How To Projects]]> http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SQUARE2.jpg http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SQUARE.jpg http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SMALL.jpg The Freak This instructables is an extention of the Sunrise Alarm Clock http://www.instructables.com/id/Sunrise-Alarm-Clock-1/ by http://www.instructables.com/member/DIY+Hacks+and+How+Tos/. Credits for the original idea and circuit go to that member. I merely adapted it to my needs and materials at hand. The ...
By: The Freak

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Tue, 8 Apr 2014 17:01:53 PDT
More Electronics Building Tips ( in 21 plus more steps ) http://www.instructables.com/id/More-Electronics-Building-Tips-in-21-plus-more-ste/
More Electronics Building Tips ( in 21 plus more steps ) - More DIY How To Projects]]> http://cdn.instructables.com/FG9/OUGH/HRPNCYXA/FG9OUGHHRPNCYXA.SQUARE2.jpg http://cdn.instructables.com/FG9/OUGH/HRPNCYXA/FG9OUGHHRPNCYXA.SQUARE.jpg http://cdn.instructables.com/FG9/OUGH/HRPNCYXA/FG9OUGHHRPNCYXA.SMALL.jpg russ_hensel Fairly recently I wrote a fairly a set of electronics tips ( Electronics Building Tips in 21 Plus Steps  http://www.instructables.com/id/Electronics-Building-Tips-in-21-Plus-Steps-/  ).  I worked on it for quite a while and  finally published it just to get it done.  But ideas kept coming so here ar...
By: russ_hensel

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Wed, 9 Apr 2014 05:39:50 PDT
HIGHFIV3D: Desktop Reassurance Device http://www.instructables.com/id/HIGHFIV3D-Desktop-Reassurance-Device/
HIGHFIV3D: Desktop Reassurance Device - More DIY How To Projects]]> http://cdn.instructables.com/FH4/SH4V/HTQN76Y0/FH4SH4VHTQN76Y0.SQUARE2.jpg http://cdn.instructables.com/FH4/SH4V/HTQN76Y0/FH4SH4VHTQN76Y0.SQUARE.jpg http://cdn.instructables.com/FH4/SH4V/HTQN76Y0/FH4SH4VHTQN76Y0.SMALL.jpg andrewt I had this idea of making an interactive fixture for giving high-fives. Sometimes you need a little dexterous pick-me-up, but actually getting someone to commit to a slap up top and follow through with a heartfelt "You're Awesome!" is pretty hard to come by. Think the double slap popularized by Go...
By: andrewt

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Tue, 8 Apr 2014 16:56:03 PDT
Double-sided PCBs with a laser cutter http://www.instructables.com/id/Double-sided-PCBs-with-a-laser-cutter/
Double-sided PCBs with a laser cutter - More DIY How To Projects]]> http://cdn.instructables.com/FHD/GV57/HTM2NNZK/FHDGV57HTM2NNZK.SQUARE2.jpg http://cdn.instructables.com/FHD/GV57/HTM2NNZK/FHDGV57HTM2NNZK.SQUARE.jpg http://cdn.instructables.com/FHD/GV57/HTM2NNZK/FHDGV57HTM2NNZK.SMALL.jpg joebell With a little practice, you can make excellent double-sided PCBs by combining a laser cutter with chemical etching. The basic idea is: the laser cutter blasts away spray painted etch resist, then chemicals eat away the exposed copper. Once the copper is gone, the underlying board can be cut again ...
By: joebell

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Fri, 4 Apr 2014 18:05:27 PDT
5v Regulator http://www.instructables.com/id/5v-Regulator/
5v Regulator - More DIY How To Projects]]> http://cdn.instructables.com/F5H/7833/GOHM3PA6/F5H7833GOHM3PA6.SQUARE2.jpg http://cdn.instructables.com/F5H/7833/GOHM3PA6/F5H7833GOHM3PA6.SQUARE.jpg http://cdn.instructables.com/F5H/7833/GOHM3PA6/F5H7833GOHM3PA6.SMALL.jpg sooraj619 5v volt regulator circuit which can be made from only three components, its simple, cheap and easy way to get a current up to 1A and a voltage of more than 5v can only be regulated by this circuit, this circuit can be used as a bread board power supply components 1.............. L7805 heat sink ...
By: sooraj619

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Sun, 5 Jun 2011 00:51:02 PDT
Marco Polo • Pinoccio Scout Camp, Day 1 http://www.instructables.com/id/Marco-Polo-Pinoccio-Scout-Camp-Day-1/
Marco Polo • Pinoccio Scout Camp, Day 1 - More DIY How To Projects]]> http://cdn.instructables.com/FMO/UN22/HTGFD4LY/FMOUN22HTGFD4LY.SQUARE2.jpg http://cdn.instructables.com/FMO/UN22/HTGFD4LY/FMOUN22HTGFD4LY.SQUARE.jpg http://cdn.instructables.com/FMO/UN22/HTGFD4LY/FMOUN22HTGFD4LY.SMALL.jpg alexglow Pinoccio pictured with assistant Chester Hey there! This is a starter project that should help you break the ice with your Pinoccio Scouts. (I built it at TechShop SF.) Pinoccio is a new, open-source kit for your own personal Internet of Things. It's like an Arduino Mega that does wireless me...
By: alexglow

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Tue, 1 Apr 2014 11:20:06 PDT
Resistor Color Wheel http://www.instructables.com/id/Resistor-Color-Wheel/
Resistor Color Wheel - More DIY How To Projects]]> http://cdn.instructables.com/FJB/LNZH/HS3GUIVA/FJBLNZHHS3GUIVA.SQUARE2.jpg http://cdn.instructables.com/FJB/LNZH/HS3GUIVA/FJBLNZHHS3GUIVA.SQUARE.jpg http://cdn.instructables.com/FJB/LNZH/HS3GUIVA/FJBLNZHHS3GUIVA.SMALL.jpg robives This project was originally released on my website www.robives.comResistors use coloured bands to show their value. There are usually four bands, the first two code for the first two digits of the resistors value, the third is the multiplier, basically the number of zeroes on the end of the number. ...
By: robives

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Wed, 26 Feb 2014 13:02:33 PST
My portable workstation http://www.instructables.com/id/My-portable-workstation/
My portable workstation - More DIY How To Projects]]> http://cdn.instructables.com/FPA/RCQB/HRN4DSPS/FPARCQBHRN4DSPS.SQUARE2.jpg http://cdn.instructables.com/FPA/RCQB/HRN4DSPS/FPARCQBHRN4DSPS.SQUARE.jpg http://cdn.instructables.com/FPA/RCQB/HRN4DSPS/FPARCQBHRN4DSPS.SMALL.jpg fiero79 This is my portable work station for small electronics hobby building. I will include a 12 Volt power supply from SLA batteries,a Dremel(knockoff), soldering iron, rechargeable battery, cigarette lighter outlet, voltage display, wall wart to recharge the batteries, a helping hand, and a way to hea...
By: fiero79

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Thu, 27 Mar 2014 00:16:19 PDT
Cell phone charger from an old 9V battery http://www.instructables.com/id/Cell-phone-charger-from-an-old-9V-battery/
Cell phone charger from an old 9V battery - More DIY How To Projects]]> http://cdn.instructables.com/FEJ/N8XC/HT7PBQNA/FEJN8XCHT7PBQNA.SQUARE2.jpg http://cdn.instructables.com/FEJ/N8XC/HT7PBQNA/FEJN8XCHT7PBQNA.SQUARE.jpg http://cdn.instructables.com/FEJ/N8XC/HT7PBQNA/FEJN8XCHT7PBQNA.SMALL.jpg jaimealmeida This instructable shows how it's possible to make one 5V usb charger from an old 9V battery, useful to charge cellphone's batterys. The charger in the picture it's already working - it already charged my cellphone last night. But it still needs to be closed inside some case, that should be the 9v b...
By: jaimealmeida

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Wed, 26 Mar 2014 13:09:33 PDT
Easy to Make - Mini Stun Gun http://www.instructables.com/id/Easy-to-Make-Mini-Stun-Gun/
Easy to Make - Mini Stun Gun - More DIY How To Projects]]> http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SQUARE2.jpg http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SQUARE.jpg http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SMALL.jpg lonesoulsurfer   Hi all, I've been wanting to make this project for some time and I have finallly been able to get my hands on the right type of gas lighter to pull apart! Now this thing won't knock you down but It will give you a good old shock - especially if you hack it and add a bit more power to it. Th...
By: lonesoulsurfer

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Tue, 31 Jan 2012 11:53:06 PST
Electromagnetic cannon (coil gun) http://www.instructables.com/id/ELECTROMAGNETIC-CANNON-coil-gun/
Electromagnetic cannon (coil gun) - More DIY How To Projects]]> http://cdn.instructables.com/FBD/MLER/HSRZOG20/FBDMLERHSRZOG20.SQUARE2.jpg http://cdn.instructables.com/FBD/MLER/HSRZOG20/FBDMLERHSRZOG20.SQUARE.jpg http://cdn.instructables.com/FBD/MLER/HSRZOG20/FBDMLERHSRZOG20.SMALL.jpg ivver Hello everyone,In this work I will show you how does electromagnetic cannon work. Main principle of work is that you have some coil and you let current through it, coil generates magnetic field and because of it, the nail, which is in coil, gets launched. You will find out more details in further st...
By: ivver

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Sun, 16 Mar 2014 15:16:42 PDT
Thermoelectric Rotational Ornament http://www.instructables.com/id/Thermoelectric-Rotational-Ornament/
Thermoelectric Rotational Ornament - More DIY How To Projects]]> http://cdn.instructables.com/F8A/RXPO/HT3E07HT/F8ARXPOHT3E07HT.SQUARE2.jpg http://cdn.instructables.com/F8A/RXPO/HT3E07HT/F8ARXPOHT3E07HT.SQUARE.jpg http://cdn.instructables.com/F8A/RXPO/HT3E07HT/F8ARXPOHT3E07HT.SMALL.jpg Joohansson Background: This is another thermoelectric experiment/ornament where the whole construction (candle, hot side, module and cool side) is rotating and both heating and cooling itself with a perfect balance between module output power, motor torque & rpm, candle efficiency, heat transfer, cooling ef...
By: Joohansson

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Mon, 24 Mar 2014 17:59:58 PDT
Save your Gameboy Color and other small electronics from battery leaks http://www.instructables.com/id/Save-your-Gameboy-Color-and-other-small-electronic/
Save your Gameboy Color and other small electronics from battery leaks - More DIY How To Projects]]> http://cdn.instructables.com/FEP/39N9/HT2TZCIJ/FEP39N9HT2TZCIJ.SQUARE2.jpg http://cdn.instructables.com/FEP/39N9/HT2TZCIJ/FEP39N9HT2TZCIJ.SQUARE.jpg http://cdn.instructables.com/FEP/39N9/HT2TZCIJ/FEP39N9HT2TZCIJ.SMALL.jpg gamerguy13 You must know that feeling, the dread that fills you when you find that batteries have leaked in one of your expensive pieces of technology. You'd think that would've been solved by now in 2014, but you're wrong! I know it's been a while since I created an Instructable. Now that I'm in college, ...
By: gamerguy13

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Sat, 22 Mar 2014 11:17:53 PDT
The Buzzer Glove http://www.instructables.com/id/The-Buzzer-Glove/
The Buzzer Glove - More DIY How To Projects]]> http://cdn.instructables.com/F8Y/HDYI/HSVT7GDQ/F8YHDYIHSVT7GDQ.SQUARE2.jpg http://cdn.instructables.com/F8Y/HDYI/HSVT7GDQ/F8YHDYIHSVT7GDQ.SQUARE.jpg http://cdn.instructables.com/F8Y/HDYI/HSVT7GDQ/F8YHDYIHSVT7GDQ.SMALL.jpg holtam14 This is a super simple project using parts from the Lilypad Arduino Protosnap Development Board. Essentially, you touch different parts of the glove and the buzzer will make different noises. This project is great for beginners as the programming is straight-forward and the construction of the glove...
By: holtam14

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Mon, 17 Mar 2014 19:14:44 PDT
Super Nintendo (SNES) Arcade Machine http://www.instructables.com/id/Super-Nintendo-SNES-Arcade-Machine/ http://cdn.instructables.com/FA2/1UIX/HSM53TUF/FA21UIXHSM53TUF.SQUARE2.jpg http://cdn.instructables.com/FA2/1UIX/HSM53TUF/FA21UIXHSM53TUF.SQUARE.jpg http://cdn.instructables.com/FA2/1UIX/HSM53TUF/FA21UIXHSM53TUF.SMALL.jpg Nzen Mods The Super Nintendo. A source for some great titles and classics such as Donkey Kong Country, Super Mario World, Super Metroid, and anything else "Super". A great way to have all of these classics relived and put to new use is making an arcade machine based on the famous SNES. To bring a new environm...
By: Nzen Mods

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Tue, 11 Mar 2014 19:19:02 PDT
CSS555 Solar Engine http://www.instructables.com/id/CSS555-Solar-Engine/
CSS555 Solar Engine - More DIY How To Projects]]> http://cdn.instructables.com/FRT/9UAM/HSASKURY/FRT9UAMHSASKURY.SQUARE2.jpg http://cdn.instructables.com/FRT/9UAM/HSASKURY/FRT9UAMHSASKURY.SQUARE.jpg http://cdn.instructables.com/FRT/9UAM/HSASKURY/FRT9UAMHSASKURY.SMALL.jpg TinkerJim A Solar Engine is a circuit that takes in electrical energy from a solar cell, stores it in a capacitor, and after a sufficient amount has been saved up, switches the stored energy over to drive a motor.   When the running motor has used up a set portion of the capacitor's stored energy, the solar e...
By: TinkerJim

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Mon, 17 Mar 2014 09:44:34 PDT
$5.00 Digital TV Antenna http://www.instructables.com/id/500-Digital-TV-Antenna/
$5.00 Digital TV Antenna - More DIY How To Projects]]> http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SQUARE2.jpg http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SQUARE.jpg http://cdn.instructables.com/FID/0EEU/HSTP2ZO5/FID0EEUHSTP2ZO5.SMALL.jpg robhool1 Here's my home built digital TV antenna. Most of the parts I had laying around, so the only item I had to purchase was the antenna transformer, for roughly $5.00. The basic design came from the Popular Mechanics website, but I wanted to add something a little more to it so it would stand up to the e...
By: robhool1

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Sun, 16 Mar 2014 16:22:30 PDT
PORTABLE MINI LAB IN A BACKPACK http://www.instructables.com/id/PORTABLE-MINI-LAB-IN-A-BACKPACK/
PORTABLE MINI LAB IN A BACKPACK - More DIY How To Projects]]> http://cdn.instructables.com/FK2/TZCS/HSTP18ZS/FK2TZCSHSTP18ZS.SQUARE2.jpg http://cdn.instructables.com/FK2/TZCS/HSTP18ZS/FK2TZCSHSTP18ZS.SQUARE.jpg http://cdn.instructables.com/FK2/TZCS/HSTP18ZS/FK2TZCSHSTP18ZS.SMALL.jpg deba168 I am a village boy,working as an Engineer outside of my own state.Every year I slip to my home twice or thrice,away from hassle and bustle of the city life so that i can relax and enjoy in the natural beauty of my village and father's farm.During my stay I get lot of free time and use it by playin...
By: deba168

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Sun, 16 Mar 2014 02:16:20 PDT
Let's learn about Super Capacitors! (A Practical Guide To Super Capacitors) http://www.instructables.com/id/Lets-learn-about-Super-Capacitors-A-Practical-G/
Let's learn about Super Capacitors! (A Practical Guide To Super Capacitors) - More DIY How To Projects]]> http://cdn.instructables.com/FIT/7WCI/GO8DBTHF/FIT7WCIGO8DBTHF.SQUARE2.jpg http://cdn.instructables.com/FIT/7WCI/GO8DBTHF/FIT7WCIGO8DBTHF.SQUARE.jpg http://cdn.instructables.com/FIT/7WCI/GO8DBTHF/FIT7WCIGO8DBTHF.SMALL.jpg EngineeringShock Hi Instructables Community!   CHECK OUT OUR SUPER CAPACITOR FLASHLIGHT KICKSTARTER CAMPAIGN: http://www.kickstarter.com/projects/172204344/the-forever-rechargeable-talking-super-capacitor-f?ref=live                                                     LET'S TALK ABOUT SUPER CAPACITORS! Thanks for l...
By: EngineeringShock

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Fri, 24 Jun 2011 14:15:02 PDT
The easiest symmetrical power supply http://www.instructables.com/id/The-easiest-symmetrical-power-supply/
The easiest symmetrical power supply - More DIY How To Projects]]> http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE2.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SMALL.jpg Szabolcs I show you how to make an easy symmetrical power supply for testing circuits where you need positive and negative voltage. like op amp circuits. For example, look at the 741 op amp. Part list: Two new 9V battery 9V battery clip OR another 9V battery (I will explain that later) Here is the "sche...
By: Szabolcs

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Sat, 15 Mar 2014 11:19:52 PDT
Temporary Soldering Workaround http://www.instructables.com/id/Soldering-Alternative/
Temporary Soldering Workaround - More DIY How To Projects]]> http://cdn.instructables.com/F3F/RMGN/HSM51AKJ/F3FRMGNHSM51AKJ.SQUARE2.jpg http://cdn.instructables.com/F3F/RMGN/HSM51AKJ/F3FRMGNHSM51AKJ.SQUARE.jpg http://cdn.instructables.com/F3F/RMGN/HSM51AKJ/F3FRMGNHSM51AKJ.SMALL.jpg RedKingTinkerer I got a kit that came with a lot of cool components, but had no way of using some of them without a soldering kit. As necessity is the mother of invention (or lack of tools is the mother of improvisation), I discovered a (temporary) workaround, using only a spool of solid 22-gauge wire, a wire strip...
By: RedKingTinkerer

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Mon, 10 Mar 2014 16:07:48 PDT
How to calculate charging time & energy of your supercapacitor. http://www.instructables.com/id/How-to-calculate-charging-time-energy-of-your-su/ http://cdn.instructables.com/FFG/GOGY/H4AGJ4NN/FFGGOGYH4AGJ4NN.SQUARE2.jpg http://cdn.instructables.com/FFG/GOGY/H4AGJ4NN/FFGGOGYH4AGJ4NN.SQUARE.jpg http://cdn.instructables.com/FFG/GOGY/H4AGJ4NN/FFGGOGYH4AGJ4NN.SMALL.jpg ilovegm In light of all the instructables using supercaps as a power source, I present... Q/Q_max =1-e^(-t/RC) & E=1/2 CV^2 With the first equation, you can find the percentage of charge (Q/Q_max) X (100%), by substituting the time elapsed, resistance of charging circuit and capacitance of capacitor. Assum...
By: ilovegm

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Sun, 8 Jul 2012 00:57:19 PDT
Hello World: Building a Simple Circuit with the Othermill http://www.instructables.com/id/Hello-World-Building-a-Simple-Circuit-with-the-Oth/
Hello World: Building a Simple Circuit with the Othermill - More DIY How To Projects]]> http://cdn.instructables.com/FQA/PXRW/HSG26VSM/FQAPXRWHSG26VSM.SQUARE2.jpg http://cdn.instructables.com/FQA/PXRW/HSG26VSM/FQAPXRWHSG26VSM.SQUARE.jpg http://cdn.instructables.com/FQA/PXRW/HSG26VSM/FQAPXRWHSG26VSM.SMALL.jpg othermachine The Othermill is a nifty little desktop mill that can fabricate amazing things out a variety of goods. Printed circuit boards for electronics are something it handles nicely. Here's a tutorial for a basic board to play with. It's the first public project we released for the Othermill: "Hello Wor...
By: othermachine

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Thu, 6 Mar 2014 09:51:20 PST
Convert a disposable clearomizer to a dripper http://www.instructables.com/id/Convert-a-disposable-clearomizer-to-a-dripper/
Convert a disposable clearomizer to a dripper - More DIY How To Projects]]> http://cdn.instructables.com/FM9/38QT/HSBSLR05/FM938QTHSBSLR05.SQUARE2.jpg http://cdn.instructables.com/FM9/38QT/HSBSLR05/FM938QTHSBSLR05.SQUARE.jpg http://cdn.instructables.com/FM9/38QT/HSBSLR05/FM938QTHSBSLR05.SMALL.jpg OliVap Don't throw  away our disposable clearomizer. Use it for direct dripping with a "simple" modification. You can use it for try you DIY Juice or vape due to cotton acts like a filler. (Ne jeter plus vos clearomiseurs jetable, donnez leur une seconde vie/chance. Le montage a été fait ici sur un clear...
By: OliVap

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Tue, 4 Mar 2014 04:55:31 PST
Audible Continuity Tester with Op Amp http://www.instructables.com/id/Audible-Continuity-Tester-with-Op-Amp/
Audible Continuity Tester with Op Amp - More DIY How To Projects]]> http://cdn.instructables.com/FGT/XYD7/HRTKIU4G/FGTXYD7HRTKIU4G.SQUARE2.jpg http://cdn.instructables.com/FGT/XYD7/HRTKIU4G/FGTXYD7HRTKIU4G.SQUARE.jpg http://cdn.instructables.com/FGT/XYD7/HRTKIU4G/FGTXYD7HRTKIU4G.SMALL.jpg wotboa I built this continuity tester to replace my silly battery with a light bulb circuit tracer. If you have ever used one of those, you know that they give false readings at low resistance. Also, hammering your circuit with a DC voltage can damage sensitive components. By using an operational amp, the...
By: wotboa

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Wed, 19 Feb 2014 12:39:40 PST
Mini adjustable power supply http://www.instructables.com/id/Mini-adjustable-power-supply/
Mini adjustable power supply - More DIY How To Projects]]> http://cdn.instructables.com/F4L/5S3W/HS76A1MT/F4L5S3WHS76A1MT.SQUARE2.jpg http://cdn.instructables.com/F4L/5S3W/HS76A1MT/F4L5S3WHS76A1MT.SQUARE.jpg http://cdn.instructables.com/F4L/5S3W/HS76A1MT/F4L5S3WHS76A1MT.SMALL.jpg newtonn2 When designing this power supply, my objective was to have it as portable as possible, so you can take it almost anywhere. One of the reasons I want it to be so portable is because every time I go to visit my family and friends abroad, they always have something for me to fix (or at least “try to ...
By: newtonn2

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Fri, 28 Feb 2014 08:54:53 PST
Mini DIY adjustable power supply http://www.instructables.com/id/Mini-DIY-adjustable-power-supply/ http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SQUARE2.jpg http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SQUARE.jpg http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SMALL.jpg newtonn2 This is my mini adjustable power supply. It will take any DC source between 7.5V and 28V. The output will be between 1.4V and the input voltage.It cost me about £9 in parts, most of them from HK. Please comment if you like it.  Instructable available now!!  See here
By: newtonn2

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Wed, 26 Feb 2014 11:15:42 PST
LED Floaties (in water!) http://www.instructables.com/id/LED-Water-Floaties/
LED Floaties (in water!) - More DIY How To Projects]]> http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SQUARE2.jpg http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SQUARE.jpg http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SMALL.jpg liza.stark Originally conceived of and deployed by the Graffiti Research Lab, LED Throwies are a cheap, quick way to create glowing orbs of goodness that stick to any ferro-magnetic surface. Since the parts are inexpensive and the concept is easily grasped, this is a great first electronics project or a fun ...
By: liza.stark

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Mon, 24 Feb 2014 13:19:12 PST
Reverse Engineering http://www.instructables.com/id/Reverse-Engineering-1/
Reverse Engineering - More DIY How To Projects]]> http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SQUARE2.jpg http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SQUARE.jpg http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SMALL.jpg Josehf Murchison Many of the members here at Instructables ask about datasheets or pin outs of a device or display in answers, unfortunately you cant always get a datasheet and schematics, in these cases you only have one choice reverse engineering. Reverse engineering is a skill that is not taught in college or un...
By: Josehf Murchison

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Sat, 22 Feb 2014 22:36:31 PST
Vintage DAC for RaspberryPi audio http://www.instructables.com/id/Vintage-DAC-for-RaspberryPi-audio/
Vintage DAC for RaspberryPi audio - More DIY How To Projects]]> http://cdn.instructables.com/FUY/XJI5/HQP84BPD/FUYXJI5HQP84BPD.SQUARE2.jpg http://cdn.instructables.com/FUY/XJI5/HQP84BPD/FUYXJI5HQP84BPD.SQUARE.jpg http://cdn.instructables.com/FUY/XJI5/HQP84BPD/FUYXJI5HQP84BPD.SMALL.jpg mariosis Idea... I was curios about some old school R2R DACs namely the BurrBrown PCM56P. They where used in the late 80's in some of the better CD players like SonyES222/DenonDCD1500/MaranzXY whatsoever. There is some discussion in certain forums about their more or less superior sound quality, compared to ...
By: mariosis

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Fri, 7 Feb 2014 16:15:41 PST
The old ATX PC power supply to the new lab power supply case http://www.instructables.com/id/The-old-ATX-PC-power-supply-to-the-new-lab-power-s/
The old ATX PC power supply to the new lab power supply case - More DIY How To Projects]]> http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SQUARE2.jpg http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SQUARE.jpg http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SMALL.jpg gapimankr Hi all. I want to show you how to convert an old ATX PC power supply into a new case for lab power supply. The frame casing is made of aluminum and the sides from 3mm clear acrylic glass. White cover protects the acrylic glass from scratches (if you want you can remove it). When order case y...
By: gapimankr

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Sat, 22 Feb 2014 06:36:24 PST
Balanced piezo contact microphones http://www.instructables.com/id/Balanced-piezo-contact-microphones/
Balanced piezo contact microphones - More DIY How To Projects]]> http://cdn.instructables.com/FD6/U74D/HRTKIBPL/FD6U74DHRTKIBPL.SQUARE2.jpg http://cdn.instructables.com/FD6/U74D/HRTKIBPL/FD6U74DHRTKIBPL.SQUARE.jpg http://cdn.instructables.com/FD6/U74D/HRTKIBPL/FD6U74DHRTKIBPL.SMALL.jpg chrlilje At the illutron art ship, we are using a lot of piezo elements to make contact microphones and hydrophones (underwater microphones)Piezo elements can be a noise nightmare. And if you are using the piezos for hydrophones, to capture underwater sound, the noise can be even more challenging, unless you...
By: chrlilje

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Tue, 18 Feb 2014 17:35:38 PST
Getting Started With Relays http://www.instructables.com/id/Getting-Started-With-Relays/
Getting Started With Relays - More DIY How To Projects]]> http://cdn.instructables.com/FPR/YRDV/HRPSZPTX/FPRYRDVHRPSZPTX.SQUARE2.jpg http://cdn.instructables.com/FPR/YRDV/HRPSZPTX/FPRYRDVHRPSZPTX.SQUARE.jpg http://cdn.instructables.com/FPR/YRDV/HRPSZPTX/FPRYRDVHRPSZPTX.SMALL.jpg IndoorGeeks This instructable will make you familiar with Relay and its working using a simple circuit. What is a Relay? A relay is an electrically operated switch. It is mainly used to control higher voltage circuits with lower voltage. The 'control' and 'controlled' circuits are electrically isolated fro...
By: IndoorGeeks

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Tue, 18 Feb 2014 01:41:22 PST
Powered Breadboard Workstation http://www.instructables.com/id/Powered-Breadboard-Workstation/
Powered Breadboard Workstation - More DIY How To Projects]]> http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SQUARE2.jpg http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SQUARE.jpg http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SMALL.jpg robdavinci Hello readers, A powered breadboard is an enclosure with a built in fixed and variable voltage supply and  the breadboard is used to test circuits. Wires and components are simply pushed into the holes to form a completed circuit and power can be applied. One of the main advantages of using a breadb...
By: robdavinci

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Mon, 17 Feb 2014 18:38:31 PST
How to install a Garage Door opener in a dashboard http://www.instructables.com/id/How-to-install-a-Garage-Door-opener-in-a-dashboard/
How to install a Garage Door opener in a dashboard - More DIY How To Projects]]> http://cdn.instructables.com/FG6/2TQ8/HRGP5YKZ/FG62TQ8HRGP5YKZ.SQUARE2.jpg http://cdn.instructables.com/FG6/2TQ8/HRGP5YKZ/FG62TQ8HRGP5YKZ.SQUARE.jpg http://cdn.instructables.com/FG6/2TQ8/HRGP5YKZ/FG62TQ8HRGP5YKZ.SMALL.jpg JigMcFigg I had an issue... We have a Craftsman garage door opener, and two remotes. The problem is that the remotes kept getting lost because they had no clips on them. My wife's car doesn't have a built in garage door button, so I started thinking of how to make them easily accessible, and not get lost as...
By: JigMcFigg

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Mon, 10 Feb 2014 07:04:20 PST
LED Paper Flower http://www.instructables.com/id/LED-Paper-Flower/
LED Paper Flower - More DIY How To Projects]]> http://cdn.instructables.com/FMZ/3X19/HR8VEW2Y/FMZ3X19HR8VEW2Y.SQUARE2.jpg http://cdn.instructables.com/FMZ/3X19/HR8VEW2Y/FMZ3X19HR8VEW2Y.SQUARE.jpg http://cdn.instructables.com/FMZ/3X19/HR8VEW2Y/FMZ3X19HR8VEW2Y.SMALL.jpg gitterbug23 A simple paper flower with LED center.  This single flower can be duplicated to make a whole bouquet of LED flowers! Materials I used things I found around my workshop.  Nothing too fancy, as I was only trying to test the design.  But now that I know it works, I'd really branch out and use some t...
By: gitterbug23

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Wed, 5 Feb 2014 19:59:24 PST
Simple Intercom From a Pair of Old Corded Phones http://www.instructables.com/id/Simple-Intercom-From-a-Pair-of-Old-Corded-Phones/
Simple Intercom From a Pair of Old Corded Phones - More DIY How To Projects]]> http://cdn.instructables.com/F9Q/X1RE/HQNA4BN8/F9QX1REHQNA4BN8.SQUARE2.jpg http://cdn.instructables.com/F9Q/X1RE/HQNA4BN8/F9QX1REHQNA4BN8.SQUARE.jpg http://cdn.instructables.com/F9Q/X1RE/HQNA4BN8/F9QX1REHQNA4BN8.SMALL.jpg DIY Hacks and How Tos An intercom can be a useful tool or a fun toy. In this project, I am going to show you how to make a simple intercom using a pair of old corded telephones. This is an easy electronics project that is great for beginners and fun to do with children.  Materials Materials Two Corded Telephones Pho...
By: DIY Hacks and How Tos

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Tue, 4 Feb 2014 10:38:32 PST
How to make a generator. ( first instructable so be nice). http://www.instructables.com/id/How-to-make-a-generator-first-instructable-so-be-n/
How to make a generator. ( first instructable so be nice). - More DIY How To Projects]]> http://cdn.instructables.com/FA3/79K5/HR0ATPMC/FA379K5HR0ATPMC.SQUARE2.jpg http://cdn.instructables.com/FA3/79K5/HR0ATPMC/FA379K5HR0ATPMC.SQUARE.jpg http://cdn.instructables.com/FA3/79K5/HR0ATPMC/FA379K5HR0ATPMC.SMALL.jpg Teuruti Materials.                                                                 Tools Two pieces of wood.                                             Hammer One 12v DC  motor.                                                hot glue                                                             Two CDs. Rubb...
By: Teuruti

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Fri, 31 Jan 2014 23:53:36 PST
The Best and Easiest Way to Drive your Flyback http://www.instructables.com/id/The-Best-and-Easiest-Way-to-Drive-your-Flyback/
The Best and Easiest Way to Drive your Flyback - More DIY How To Projects]]> http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE2.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SMALL.jpg corbonzo In this instructable I'll be showing you a super simply way to drive your flybacks! because i know for a fact that I'm tired of transistor type drivers and even the ZVS's are a pain. So get ready for this because I'm sure it'll make you excited as it did for me! heres my video tutorial for some mo...
By: corbonzo

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Fri, 31 Jan 2014 20:32:23 PST
DIY littleBits http://www.instructables.com/id/DIY-littleBits-Introduction/
DIY littleBits - More DIY How To Projects]]> http://cdn.instructables.com/FCA/BCBV/HR0ARK8R/FCABCBVHR0ARK8R.SQUARE2.jpg http://cdn.instructables.com/FCA/BCBV/HR0ARK8R/FCABCBVHR0ARK8R.SQUARE.jpg http://cdn.instructables.com/FCA/BCBV/HR0ARK8R/FCABCBVHR0ARK8R.SMALL.jpg JackANDJude Let's make DIY littleBits!  For original circuits, visit littleBits.cc .  I will be adding more steps to this instructable every time I manage to make another DIY littleBit.  So come back often and follow this instructable  to see new bits tutorials.  *Added since initial publication: light tr...
By: JackANDJude

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Fri, 31 Jan 2014 10:20:43 PST
Raspoulette Prototype http://www.instructables.com/id/Raspoulette-Prototype/
Raspoulette Prototype - More DIY How To Projects]]> http://cdn.instructables.com/FSB/D59D/HQ731PWG/FSBD59DHQ731PWG.SQUARE2.jpg http://cdn.instructables.com/FSB/D59D/HQ731PWG/FSBD59DHQ731PWG.SQUARE.jpg http://cdn.instructables.com/FSB/D59D/HQ731PWG/FSBD59DHQ731PWG.SMALL.jpg pedro8 Hi guys, When i see a raspberry pi contest i decide to make a prototype of an idea i had for few time, let me present my Raspoulette! I will try to explain how to make an amazing Raspoulette! Raspoulette is an autonomous solar powered closing systeme coop's door based on raspberry pi. It's mean th...
By: pedro8

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Wed, 29 Jan 2014 10:41:48 PST
How to Build Slayer Exciter http://www.instructables.com/id/How-to-Build-Slayer-Exciter/
How to Build Slayer Exciter - More DIY How To Projects]]> http://cdn.instructables.com/F0S/JH9J/HQV6I3J0/F0SJH9JHQV6I3J0.SQUARE2.jpg http://cdn.instructables.com/F0S/JH9J/HQV6I3J0/F0SJH9JHQV6I3J0.SQUARE.jpg http://cdn.instructables.com/F0S/JH9J/HQV6I3J0/F0SJH9JHQV6I3J0.SMALL.jpg kalilović1 --------WARNING--------- The Slayer exciter creates an electromagnetic field that may negatively affect electronic equipment in the immediate area; including pacemakers. Exercise caution and common sense when operating a Slayer Exciter. Parts list Items Needed: -   At least a 6" long tube that's ...
By: kalilović1

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Sun, 26 Jan 2014 14:42:07 PST
Smart Desk For Home Automation http://www.instructables.com/id/Smart-Desk-For-Home-Automation/
Smart Desk For Home Automation - More DIY How To Projects]]> http://cdn.instructables.com/FM1/TV1T/HQV6HLHT/FM1TV1THQV6HLHT.SQUARE2.jpg http://cdn.instructables.com/FM1/TV1T/HQV6HLHT/FM1TV1THQV6HLHT.SQUARE.jpg http://cdn.instructables.com/FM1/TV1T/HQV6HLHT/FM1TV1THQV6HLHT.SMALL.jpg jransom3 This project was a multi-purpose. I wanted to clean up the top of my desk, as well as use my computer as a home automation server. Home automation was always something that i thought was pretty cool. It used to be a system reserved for the rich and elite, but with current technologies it has never...
By: jransom3

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Sun, 26 Jan 2014 09:04:43 PST