Instructables: exploring - technology - electronics - popular http://www.instructables.com Sat, 1 Oct 2016 10:30:44 PDT BLOX v1.01 A follow me robot with simple circuit http://www.instructables.com/id/A-follow-me-robot-with-simple-circuit/
A follow me robot with simple circuit - More DIY How To Projects]]> https://cdn.instructables.com/FCR/G7BL/IFK0Z5YA/FCRG7BLIFK0Z5YA.SQUARE2.jpg https://cdn.instructables.com/FCR/G7BL/IFK0Z5YA/FCRG7BLIFK0Z5YA.SQUARE.jpg https://cdn.instructables.com/FCR/G7BL/IFK0Z5YA/FCRG7BLIFK0Z5YA.SMALL.jpg Saurav Chakraborty Its a very simple and easy to make follow me robot. It can sense the presence of object to be followed using Infra-Red ( IR ) sensor. There are one IR Led and two IR photo diode (with back IR Filter) . When the IR gets reflected from a nearby object and back to both the receivers diode, the transi...
By: Saurav Chakraborty

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Sat, 10 Oct 2015 06:00:52 PDT
L293D Motor Direction Control for under $2.20 http://www.instructables.com/id/L239D-Motor-Direction-Control-for-Under-220/
L293D Motor Direction Control for under $2.20 - More DIY How To Projects]]> https://cdn.instructables.com/FPY/W6DA/IT9PPIRA/FPYW6DAIT9PPIRA.SQUARE2.jpg https://cdn.instructables.com/FPY/W6DA/IT9PPIRA/FPYW6DAIT9PPIRA.SQUARE.jpg https://cdn.instructables.com/FPY/W6DA/IT9PPIRA/FPYW6DAIT9PPIRA.SMALL.jpg baelza.bubba Further to my instructable 12V NE555 PWM Controller for Under $3 I have designed and built a simple and cheap DC Motor Direction Controller that can either be used with the PWM Controller, for speed control or by itself with a 12V power supply.I designed this DC Motor Direction Controller so that I ...
By: baelza.bubba

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Mon, 19 Sep 2016 02:21:07 PDT
Let's Make! 5 More BreadBoard Projects For Beginners http://www.instructables.com/id/Lets-Make-5-More-BreadBoard-Projects-for-Begginers/
Let's Make! 5 More BreadBoard Projects For Beginners - More DIY How To Projects]]> https://cdn.instructables.com/FJC/SGQF/ISXDY564/FJCSGQFISXDY564.SQUARE2.jpg https://cdn.instructables.com/FJC/SGQF/ISXDY564/FJCSGQFISXDY564.SQUARE.jpg https://cdn.instructables.com/FJC/SGQF/ISXDY564/FJCSGQFISXDY564.SMALL.jpg Saiyam With the previous version of this instructable (10 Breadboard Projects For Beginners) hitting more than 300K views and getting a lot of positive feedback from people, I decided to have one more 'How To' with more awesome projects! So here's presenting you 5 More Breadboard Projects For Beginners..Fo...
By: Saiyam

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Tue, 6 Sep 2016 13:00:15 PDT
Turn off headlights when ignition off http://www.instructables.com/id/Turn-Off-Headlights-When-Ignition-Off/
Turn off headlights when ignition off - More DIY How To Projects]]> https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE2.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SMALL.jpg replayreb I bought my oldest son a used 2007 Mazda 3 last week. It is in great condition and he loves it. The problem is that since it is an older base model it doesn't have any extra bells or whistles like automatic headlights. He was driving a Toyota Corolla that he passed down to his little brother but it ...
By: replayreb

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Thu, 22 Sep 2016 21:48:20 PDT
How To Make A Portable 5V USB Charger (For iPods, iPhones, And Mobile Devices) http://www.instructables.com/id/How-To-Make-A-5V-USB-Charger-For-iPods-iPhones-/
How To Make A Portable 5V USB Charger (For iPods, iPhones, And Mobile Devices) - More DIY How To Projects]]> https://cdn.instructables.com/FAU/J7EI/GMIGG06V/FAUJ7EIGMIGG06V.SQUARE2.jpg https://cdn.instructables.com/FAU/J7EI/GMIGG06V/FAUJ7EIGMIGG06V.SQUARE.jpg https://cdn.instructables.com/FAU/J7EI/GMIGG06V/FAUJ7EIGMIGG06V.SMALL.jpg bared145 Demonstration of How it works: This Can Charge An iPod, iPhone, or Mobile Phone. As Long as it has a 5V (or around 5V) It Can Charge it through the USB. I will include the schematic and the PCB Layout. Also This Does Work and Im An Electronics Engineer so I Know What Im Talking About. I Will I...
By: bared145

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Sat, 19 Mar 2011 07:56:17 PDT
How to fix squealing cassettes http://www.instructables.com/id/How-to-fix-squeaky-cassettes/
How to fix squealing cassettes - More DIY How To Projects]]> https://cdn.instructables.com/FWQ/OXQL/HD8S23HJ/FWQOXQLHD8S23HJ.SQUARE2.jpg https://cdn.instructables.com/FWQ/OXQL/HD8S23HJ/FWQOXQLHD8S23HJ.SQUARE.jpg https://cdn.instructables.com/FWQ/OXQL/HD8S23HJ/FWQOXQLHD8S23HJ.SMALL.jpg hmmfomtgal The squealing on cassettes is caused when the lubricant in the tape evaporates or rubs off from excessive use. When there is little to no lubricant on the tape, it causes a high pitch wailing noise when played. (Sort of like a kettle) It's very annoying, so I will teach you how to fix this problem e...
By: hmmfomtgal

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Mon, 18 Feb 2013 13:23:22 PST
Digital Combination Lock! http://www.instructables.com/id/Digital-Combination-Lock/
Digital Combination Lock! - More DIY How To Projects]]> https://cdn.instructables.com/FP4/X8WN/G4PBWWKS/FP4X8WNG4PBWWKS.SQUARE2.jpg https://cdn.instructables.com/FP4/X8WN/G4PBWWKS/FP4X8WNG4PBWWKS.SQUARE.jpg https://cdn.instructables.com/FP4/X8WN/G4PBWWKS/FP4X8WNG4PBWWKS.SMALL.jpg Nino123   I've always wondered how did electronic locks work, so once i finished the basic digital electronics course I decided to build one myself. And I´ll help you to build your own!   You could connect it to anything from 1v to 400v(or maybe more that depends on the RELAY), DC or AC, so you could use it...
By: Nino123

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Sat, 23 Jan 2010 17:16:27 PST
The Green Cube http://www.instructables.com/id/The-Green-Cube/
The Green Cube - More DIY How To Projects]]> https://cdn.instructables.com/FIW/571R/IFWW18A7/FIW571RIFWW18A7.SQUARE2.jpg https://cdn.instructables.com/FIW/571R/IFWW18A7/FIW571RIFWW18A7.SQUARE.jpg https://cdn.instructables.com/FIW/571R/IFWW18A7/FIW571RIFWW18A7.SMALL.jpg BPSK The Green Cube is a portable renewable power generation cube like structure which harnesses electricity from solar cell,hand crancked generator and two small windmills.The Best thing about The Green Cube is that it is portable and you can carry it around anywhere with you.It has two detachable windm...
By: BPSK

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Mon, 19 Oct 2015 08:41:45 PDT
Simple controllers for DC motors (inc PWM) inertia and braking (sim) http://www.instructables.com/id/Simple-controllers-for-DC-motors-inc-PWM-inertia/
Simple controllers for DC motors (inc PWM) inertia and braking (sim) - More DIY How To Projects]]> https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SQUARE2.jpg https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SQUARE.jpg https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SMALL.jpg marshon Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:'Table Normal'; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:''; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin...
By: marshon

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Tue, 11 May 2010 19:32:35 PDT
Make iBeacon with HM10/HM11 http://www.instructables.com/id/make-iBeacon/
Make iBeacon with HM10/HM11 - More DIY How To Projects]]> https://cdn.instructables.com/FDX/2ZPF/I9WTRIRT/FDX2ZPFI9WTRIRT.SQUARE2.jpg https://cdn.instructables.com/FDX/2ZPF/I9WTRIRT/FDX2ZPFI9WTRIRT.SQUARE.jpg https://cdn.instructables.com/FDX/2ZPF/I9WTRIRT/FDX2ZPFI9WTRIRT.SMALL.jpg armins2 iBeacon is a new technology described by Apple Inc. as "a new class of low-powered, low-cost transmitters that can notify nearby iOS 7 or 8 devices of their presence".The technology enables a smart phone or other device to perform actions when in close proximity to an iBeacon.One application is an i...
By: armins2

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Wed, 20 May 2015 15:30:30 PDT
How to interface Humidity and Temperature (DHT11) Sensor to Arduino and including DHT11 Library. http://www.instructables.com/id/How-to-interface-Humidity-and-Temperature-DTH11-Se/
How to interface Humidity and Temperature (DHT11) Sensor to Arduino and including DHT11 Library. - More DIY How To Projects]]> https://cdn.instructables.com/FJD/JKJF/IDFSLZF1/FJDJKJFIDFSLZF1.SQUARE2.jpg https://cdn.instructables.com/FJD/JKJF/IDFSLZF1/FJDJKJFIDFSLZF1.SQUARE.jpg https://cdn.instructables.com/FJD/JKJF/IDFSLZF1/FJDJKJFIDFSLZF1.SMALL.jpg TechPonder DTH11 includes both Humidity and Temperature sensor.Hardware Components required:-1) DTH11 Humidity and Temperature Sensor2) Arduino UNO3)Connecting Wires4) DTH libraryYou can get the sensor DTH11 Data Sheet from the below linkhttp://www.micro4you.com/files/sensor/DHT11.pdfHardware ConnectionsDTH11 ...
By: TechPonder

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Tue, 18 Aug 2015 06:41:38 PDT
DIY camera microscope http://www.instructables.com/id/DIY-Camera-Microscope/
DIY camera microscope - More DIY How To Projects]]> https://cdn.instructables.com/FY5/P4SU/ITAO103Z/FY5P4SUITAO103Z.SQUARE2.jpg https://cdn.instructables.com/FY5/P4SU/ITAO103Z/FY5P4SUITAO103Z.SQUARE.jpg https://cdn.instructables.com/FY5/P4SU/ITAO103Z/FY5P4SUITAO103Z.SMALL.jpg surmit chauhan Hiiii I am back with a easy and interesting project camera microscope with this you can observe many objects on your computer or laptop screen i have made this because of my curiosity toward science projects.In market you can also find these microscope but they are little bit costly so try this chea...
By: surmit chauhan

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Tue, 20 Sep 2016 03:09:52 PDT
DIY Qi Charger http://www.instructables.com/id/DIY-Qi-Charger/
DIY Qi Charger - More DIY How To Projects]]> https://cdn.instructables.com/FK2/DN0L/IIRRMSI7/FK2DN0LIIRRMSI7.SQUARE2.jpg https://cdn.instructables.com/FK2/DN0L/IIRRMSI7/FK2DN0LIIRRMSI7.SQUARE.jpg https://cdn.instructables.com/FK2/DN0L/IIRRMSI7/FK2DN0LIIRRMSI7.SMALL.jpg idealab Inexpensive parts to make your own custom Qi Charing station. Find something to build on I got this really cheap iphone kit at home depot and it came with a cable and a wall charger an this cheep little plastic stand that was sure to slide off the table and make phone break.I took a can of some P...
By: idealab

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Tue, 29 Dec 2015 18:34:13 PST
A Simple Circuit Game http://www.instructables.com/id/A-Simple-Circuit--Game/
A Simple Circuit Game - More DIY How To Projects]]> https://cdn.instructables.com/FVR/0SMX/CYIEPZY2U1G/FVR0SMXCYIEPZY2U1G.SQUARE2.jpg https://cdn.instructables.com/FVR/0SMX/CYIEPZY2U1G/FVR0SMXCYIEPZY2U1G.SQUARE.jpg https://cdn.instructables.com/FVR/0SMX/CYIEPZY2U1G/FVR0SMXCYIEPZY2U1G.SMALL.jpg intoon Make a neat little game using a simple circuit. Gather Materials For this project you will need some wire, electrical tape, a 9 volt battery, and a light or buzzer. I chose to use an LED light, but a buzzer would probably work better. You will also need wire strippers. Strip the Wires Cut a ...
By: intoon

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Tue, 25 Jul 2006 15:26:09 PDT
Cheap and Easy Battery Holder Version 2 http://www.instructables.com/id/Battery-Holder-Version-2/
Cheap and Easy Battery Holder Version 2 - More DIY How To Projects]]> https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SQUARE2.jpg https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SQUARE.jpg https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SMALL.jpg xtank5 This is the second version of my battery holder. This holder is for those who like a nice tight fit. In fact it's so tight you'll need something to pry out the dead battery. That is if you measure it too small and don't allow enough room for the battery. This holder also has stronger tabs and uses l...
By: xtank5

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Wed, 2 Jan 2008 21:00:13 PST
Laser cut soldering air purifier http://www.instructables.com/id/Laser-Cut-Soldering-Air-Purifier/
Laser cut soldering air purifier - More DIY How To Projects]]> https://cdn.instructables.com/FDG/LK76/ISCB6R0I/FDGLK76ISCB6R0I.SQUARE2.jpg https://cdn.instructables.com/FDG/LK76/ISCB6R0I/FDGLK76ISCB6R0I.SQUARE.jpg https://cdn.instructables.com/FDG/LK76/ISCB6R0I/FDGLK76ISCB6R0I.SMALL.jpg DanielGraungaard I have always wanted to have a small air purifier around when I am soldering electronics.When I found a guide from Make magazine that showed how to make a portable fume extractor I knew that I wanted to build it for myself!However I did not like the tin case. I do however have access to a lasercutte...
By: DanielGraungaard

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Wed, 31 Aug 2016 09:26:10 PDT
How to make an SD Card extension http://www.instructables.com/id/How-to-make-an-SD-Card-extension/
How to make an SD Card extension - More DIY How To Projects]]> https://cdn.instructables.com/FF7/VXZE/HGH6Y9LH/FF7VXZEHGH6Y9LH.SQUARE2.jpg https://cdn.instructables.com/FF7/VXZE/HGH6Y9LH/FF7VXZEHGH6Y9LH.SQUARE.jpg https://cdn.instructables.com/FF7/VXZE/HGH6Y9LH/FF7VXZEHGH6Y9LH.SMALL.jpg SilverJimny I've been looking for an SD Card extension for a while now. There aren't many available and the ones that are for sale are quite expensive. So I'm going to make my own! I'm an electronics workshop bench engineer by day and one of my specialties is Hand Held Terminals. Most of the devices have slot...
By: SilverJimny

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Sat, 18 May 2013 09:57:43 PDT
How to make a simple motor car with bottle http://www.instructables.com/id/How-to-make-a-simple-motor-car-with-bottle/
How to make a simple motor car with bottle - More DIY How To Projects]]> https://cdn.instructables.com/FOL/AGIA/ICACHAJJ/FOLAGIAICACHAJJ.SQUARE2.jpg https://cdn.instructables.com/FOL/AGIA/ICACHAJJ/FOLAGIAICACHAJJ.SQUARE.jpg https://cdn.instructables.com/FOL/AGIA/ICACHAJJ/FOLAGIAICACHAJJ.SMALL.jpg RafayJ Hello! In this instructable i will show you how to make a simple motor car with bottle . Things Needed 1:A bottle2:tape3:scissors4:On/off button5:Battery.6:Back wheels (with motor)7:front wheels8:LED (optional) Attaching back wheels Attach The Back wheels with motor under the bottle as shown i...
By: RafayJ

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Sun, 19 Jul 2015 04:37:12 PDT
Identifying LED pins http://www.instructables.com/id/Identifying-LED-pins/
Identifying LED pins - More DIY How To Projects]]> https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SQUARE2.jpg https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SQUARE.jpg https://cdn.instructables.com/FOH/67WM/H4DXIR9S/FOH67WMH4DXIR9S.SMALL.jpg pussiedoctor I have three simple ways to remember which way round an LED goes in a circuit.  1,  Looking down from the top of the LED there is usually a flattened edge, this identifies the negative pin of the LED.  2,  If the LED is new, there will be one lead longer than the other. The long lead is the positi...
By: pussiedoctor

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Mon, 9 Jul 2012 07:56:22 PDT
Controlling the Inrush Current Required by Large Transformers http://www.instructables.com/id/Controlling-the-Inrush-Current-Required-by-Large-T/
Controlling the Inrush Current Required by Large Transformers - More DIY How To Projects]]> https://cdn.instructables.com/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SQUARE2.jpg https://cdn.instructables.com/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SQUARE.jpg https://cdn.instructables.com/FOD/UU5F/H0FLNLLD/FODUU5FH0FLNLLD.SMALL.jpg saratogadude Large transformers have a huge current demand when they are initially turned on. This is because, until the magnetic field and inductive resistance builds, they are essentially short circuits.   For example, you may have turned on some large tool or appliance and heard an initial large "HUMMMMMMM". ...
By: saratogadude

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Sat, 31 Mar 2012 09:33:18 PDT
EASY Solar Charging Power Bank http://www.instructables.com/id/EASY-Solar-Charging-Power-Bank/
EASY Solar Charging Power Bank - More DIY How To Projects]]> https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE2.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SMALL.jpg NathanR97 Hello! My name is Nathan, and I am an amateur tinkerer. I needed a power bank for camping, bonfires, emergencies, and general tom foolery. Given my tinkery nature, buying one seemed some what sacrilegious. My build CAN be cheaper than your average power bank and will certainly have more functionalit...
By: NathanR97

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Sat, 10 Sep 2016 20:52:33 PDT
Voltage Controlled Switch http://www.instructables.com/id/Voltage-Controlled-Switch-1/
Voltage Controlled Switch - More DIY How To Projects]]> https://cdn.instructables.com/FH8/9TO2/G0Y6U450/FH89TO2G0Y6U450.SQUARE2.jpg https://cdn.instructables.com/FH8/9TO2/G0Y6U450/FH89TO2G0Y6U450.SQUARE.jpg https://cdn.instructables.com/FH8/9TO2/G0Y6U450/FH89TO2G0Y6U450.SMALL.jpg josh1001  This is a little circuit that i designed that could be used for a charging controller or voltage limiter. Its very useful if you are thinking of making a solar charger.  Get the Stuff To build this circuit you would need the following:2 1k ohm resistors 2 5V zener diodesA comparator (the one it ...
By: josh1001

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Sun, 18 Oct 2009 19:22:12 PDT
Obstacle Avoiding Robot with IR Sensors without Microcontroller http://www.instructables.com/id/Obstacle-Avoiding-Robot-with-IR-Sensors-without-Mi/
Obstacle Avoiding Robot with IR Sensors without Microcontroller - More DIY How To Projects]]> https://cdn.instructables.com/FYI/HC6R/IB8J33HW/FYIHC6RIB8J33HW.SQUARE2.jpg https://cdn.instructables.com/FYI/HC6R/IB8J33HW/FYIHC6RIB8J33HW.SQUARE.jpg https://cdn.instructables.com/FYI/HC6R/IB8J33HW/FYIHC6RIB8J33HW.SMALL.jpg Shahrukh49 Well this project is an older project, I made it in 2014 in the month of July or August, thought of sharing it with you guys. Its a simple obstacle avoiding robot that uses IR sensors and works without microcontroller. The IR Sensors uses opamp IC i.e. LM358N. You have to make two IR sensors and the...
By: Shahrukh49

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Tue, 23 Jun 2015 23:23:42 PDT
How to: Long Range FPV Quadcopter http://www.instructables.com/id/How-ToLong-Range-FPV-Quadcopter/
How to: Long Range FPV Quadcopter - More DIY How To Projects]]> https://cdn.instructables.com/FX6/36F1/ISCBPQZA/FX636F1ISCBPQZA.SQUARE2.jpg https://cdn.instructables.com/FX6/36F1/ISCBPQZA/FX636F1ISCBPQZA.SQUARE.jpg https://cdn.instructables.com/FX6/36F1/ISCBPQZA/FX636F1ISCBPQZA.SMALL.jpg thermosinthesis Ever wanted to be able to fly around and admire the scenery from above? In this instructable, we are going to build a quadcopter that will allow you to do just that!We will be using the TBS Discovery frame as it was designed with long range and FPV in mind and is therefore perfect for this applicati...
By: thermosinthesis

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Sat, 3 Sep 2016 09:38:43 PDT
1-4 Digit Arduino Counter http://www.instructables.com/id/1-4-Digit-Arduino-Counter/
1-4 Digit Arduino Counter - More DIY How To Projects]]> https://cdn.instructables.com/FPW/UJ8D/HXLMLKVH/FPWUJ8DHXLMLKVH.SQUARE2.jpg https://cdn.instructables.com/FPW/UJ8D/HXLMLKVH/FPWUJ8DHXLMLKVH.SQUARE.jpg https://cdn.instructables.com/FPW/UJ8D/HXLMLKVH/FPWUJ8DHXLMLKVH.SMALL.jpg braulio777 This project is ideal to understand the logic of work of a counter by utilizing Arduino code since you have available 4 programs: 1 for 1-digit, 1 for 2-digit, 1 for 3-digit, and other for 4-digit counter with one single 4-digit panel. Here, you can upload the code from 1, 2, 3, or 4 digits accordin...
By: braulio777

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Sat, 9 Nov 2013 02:22:48 PST
NIXIE TUBE DRIVER MODULES Part III - HV POWER SUPPLY http://www.instructables.com/id/NIXIE-TUBE-DRIVER-MODULES-Part-III-HV-POWER-SUPP/
NIXIE TUBE DRIVER MODULES Part III - HV POWER SUPPLY - More DIY How To Projects]]> https://cdn.instructables.com/FSX/MNU8/FJLQFL8M/FSXMNU8FJLQFL8M.SQUARE2.jpg https://cdn.instructables.com/FSX/MNU8/FJLQFL8M/FSXMNU8FJLQFL8M.SQUARE.jpg https://cdn.instructables.com/FSX/MNU8/FJLQFL8M/FSXMNU8FJLQFL8M.SMALL.jpg gluplug Before we look at preparing the Arduino/Freeduino microcontroller for connection to the nixie tube driver modules described in Part I and Part II, you can build this power supply to provide the high firing voltage required by the nixie tubes. This switch mode power supply easily outputs 50 mA, which...
By: gluplug

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Fri, 8 Aug 2008 19:43:20 PDT
Use NAND gate to make NOT gate http://www.instructables.com/id/Use-NAND-gate-to-make-NOT-gate/
Use NAND gate to make NOT gate - More DIY How To Projects]]> https://cdn.instructables.com/FSD/3H1Z/H3Z3U9W7/FSD3H1ZH3Z3U9W7.SQUARE2.jpg https://cdn.instructables.com/FSD/3H1Z/H3Z3U9W7/FSD3H1ZH3Z3U9W7.SQUARE.jpg https://cdn.instructables.com/FSD/3H1Z/H3Z3U9W7/FSD3H1ZH3Z3U9W7.SMALL.jpg xyankeesx9209 Sometimes when you're building circuits, you dont always have the right components. Fortunately when it comes to digital logic gates, you can make the component you need! If you're fresh out of NOT gates, but have an extra NAND gate laying around, you're in luck! With a NAND gate you can connect the...
By: xyankeesx9209

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Thu, 28 Jun 2012 19:54:49 PDT
How to make PCBs easily http://www.instructables.com/id/How-to-make-PCBs-using-a-DIY-Laser-Engraver/
How to make PCBs easily - More DIY How To Projects]]> https://cdn.instructables.com/FTT/3RA6/HY12HN71/FTT3RA6HY12HN71.SQUARE2.jpg https://cdn.instructables.com/FTT/3RA6/HY12HN71/FTT3RA6HY12HN71.SQUARE.jpg https://cdn.instructables.com/FTT/3RA6/HY12HN71/FTT3RA6HY12HN71.SMALL.jpg john1a Who doesn't like the idea of PCB home manufacturing? But who can make PCBs at home?Usually this defines the "pro" hobbyist from the amateur one...The ability to make PCBs at home is the Holly Grail of an electronics enthusiast because it makes possible the (larger) production of a useful circuit wit...
By: john1a

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Sat, 26 Jul 2014 05:26:55 PDT
Make an Optical Disk Display http://www.instructables.com/id/Make-an-Optical-Disk-Display/
Make an Optical Disk Display - More DIY How To Projects]]> https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE2.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SMALL.jpg Lucas Reed Every curious how DVDs work? Interested in learning some simple analog electronics? This Instructables will show you how to make an optical disk display project in only a few hours. What is an optical disk? An optical disk stores data/information and can be read or displayed using light.You will lea...
By: Lucas Reed

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Wed, 10 Aug 2016 12:10:35 PDT
Hack Any Tape Player Into a Guitar Amp http://www.instructables.com/id/Convert-Any-Tape-Player-to-a-Guitar-Amp/
Hack Any Tape Player Into a Guitar Amp - More DIY How To Projects]]> https://cdn.instructables.com/FIV/GE26/ISCAVJYF/FIVGE26ISCAVJYF.SQUARE2.jpg https://cdn.instructables.com/FIV/GE26/ISCAVJYF/FIVGE26ISCAVJYF.SQUARE.jpg https://cdn.instructables.com/FIV/GE26/ISCAVJYF/FIVGE26ISCAVJYF.SMALL.jpg lonesoulsurfer Tape players are pretty much obsolete these days. The only place you can find tapes is either the thrift shop or the back of grannies cupboard. After making an ible' on how to convert a radio to an amp, I thought I'd try a tape player.All Tape players (and radios) have an amplifier built into them...
By: lonesoulsurfer

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Sun, 28 Aug 2016 00:37:40 PDT
Build Your Own Hotplate http://www.instructables.com/id/Build-Your-Own-Hotplate/
Build Your Own Hotplate - More DIY How To Projects]]> https://cdn.instructables.com/FE6/A02R/I0RYZ0YA/FE6A02RI0RYZ0YA.SQUARE2.jpg https://cdn.instructables.com/FE6/A02R/I0RYZ0YA/FE6A02RI0RYZ0YA.SQUARE.jpg https://cdn.instructables.com/FE6/A02R/I0RYZ0YA/FE6A02RI0RYZ0YA.SMALL.jpg Pure Carbon Here's a situation, so your driving down the road and being you, you get distracted by the beautiful scenery. As a result of this you realize they you forgot to stop at the gas station on your way home from a long trip. You Run out of gas and as it slowly gets darker you realise that the nearest tow...
By: Pure Carbon

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Thu, 2 Oct 2014 14:47:59 PDT
Operation Game http://www.instructables.com/id/Operation-Game/
Operation Game - More DIY How To Projects]]> https://cdn.instructables.com/FD9/TSVV/FB0B2608/FD9TSVVFB0B2608.SQUARE2.jpg https://cdn.instructables.com/FD9/TSVV/FB0B2608/FD9TSVVFB0B2608.SQUARE.jpg https://cdn.instructables.com/FD9/TSVV/FB0B2608/FD9TSVVFB0B2608.SMALL.gif steven.folkins This is the third lesson from a Simple Circuit Unit that I created for middle school and high school students. It is fun and involves hands-on learning. For more cool hands-on engineering projects check out Machine Science (This is where I work).http://www.machinescience.org/catalog Simple Circuit...
By: steven.folkins

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Fri, 4 Jan 2008 09:30:33 PST
How to make a Joule Thief http://www.instructables.com/id/How-to-Make-a-Joule-Thief-1/
How to make a Joule Thief - More DIY How To Projects]]> https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SQUARE2.jpg https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SQUARE.jpg https://cdn.instructables.com/FR4/OE5D/ISCAQ9IT/FR4OE5DISCAQ9IT.SMALL.jpg Srpska Nauka In this post I will show you how to make a Jouel Thief Components that you will need Any NPN transistor, in my case 2N2222Toroid Core1K (1 kilo ohm) resistorabout 20-30cm of coper wire LED in my case WHITE LED 3,3V 0,5W or any otherLittle bit solderBattery 1,5v Assembly and Connecting Coil...
By: Srpska Nauka

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Sun, 28 Aug 2016 13:35:46 PDT
How To Make A Musical Solid State Tesla Coil (SSTC) That Plays Guitar! http://www.instructables.com/id/How-To-Make-A-Musical-Solid-State-Tesla-Coil-SSTC/
How To Make A Musical Solid State Tesla Coil (SSTC) That Plays Guitar! - More DIY How To Projects]]> https://cdn.instructables.com/FL1/H7OM/I72OYZIJ/FL1H7OMI72OYZIJ.SQUARE2.jpg https://cdn.instructables.com/FL1/H7OM/I72OYZIJ/FL1H7OMI72OYZIJ.SQUARE.jpg https://cdn.instructables.com/FL1/H7OM/I72OYZIJ/FL1H7OMI72OYZIJ.SMALL.jpg MaxS5 This is my first Solid State Tesla Coil (SSTC), which I think has turned out pretty well! My intention was more towards it playing music rather than huge sparks, but I got about 6in sparks from it too which is a bonus.The aim of this instructable is to explain what Tesla Coils (TC) are, how they wor...
By: MaxS5

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Tue, 10 Mar 2015 03:17:15 PDT
Li-Ion Battery Charger Circuit Using IC 555 http://www.instructables.com/id/Li-Ion-Battery-Charger-Circuit-Using-IC-555/
Li-Ion Battery Charger Circuit Using IC 555 - More DIY How To Projects]]> https://cdn.instructables.com/F09/UZ1Q/HZJOTIZ7/F09UZ1QHZJOTIZ7.SQUARE2.jpg https://cdn.instructables.com/F09/UZ1Q/HZJOTIZ7/F09UZ1QHZJOTIZ7.SQUARE.jpg https://cdn.instructables.com/F09/UZ1Q/HZJOTIZ7/F09UZ1QHZJOTIZ7.SMALL.jpg AHSAN2000 The following post explains a straightforward yet precise Li-Ion battery charger circuit using the ubiquitous IC 555.A Li-ion battery as we all know needs to be charged under controlled conditions, if it's charged with ordinary means could lead to damage or even explosion of the battery.Basically Li...
By: AHSAN2000

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Tue, 2 Sep 2014 07:05:59 PDT
my small transformer http://www.instructables.com/id/my-small-transformer/
my small transformer - More DIY How To Projects]]> https://cdn.instructables.com/FRI/WSIF/GBT1NBJU/FRIWSIFGBT1NBJU.SQUARE2.jpg https://cdn.instructables.com/FRI/WSIF/GBT1NBJU/FRIWSIFGBT1NBJU.SQUARE.jpg https://cdn.instructables.com/FRI/WSIF/GBT1NBJU/FRIWSIFGBT1NBJU.SMALL.jpg musher95 this is my homemade transformer..i mean small... its a transformer from a rc car charger... i use ac adapter 12v... i winding the primary coil(input)5 turn and in secondary coil(output)20 turn... it is a e_block transformer... i use ac adapter 12v as the input voltage... i use 18v small pc fann... ...
By: musher95

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Mon, 19 Jul 2010 04:50:18 PDT
Make a battery substitute power connector http://www.instructables.com/id/Make-a-battery-substitute-power-connector/
Make a battery substitute power connector - More DIY How To Projects]]> https://cdn.instructables.com/FW9/2ZP4/FCRT3B0P/FW92ZP4FCRT3B0P.SQUARE2.jpg https://cdn.instructables.com/FW9/2ZP4/FCRT3B0P/FW92ZP4FCRT3B0P.SQUARE.jpg https://cdn.instructables.com/FW9/2ZP4/FCRT3B0P/FW92ZP4FCRT3B0P.SMALL.jpg thinkahead After the batteries went dead in the middle of a shot using my new camera with double the number of megapixels and features, I discovered there was no external power connector. Once a shot is lost, it may be lost forever, so an external source of power can be a critical option. This Instructable w...
By: thinkahead

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Mon, 18 Feb 2008 04:19:42 PST
Electric Guitar Pickup http://www.instructables.com/id/Electric-Guitar-Pickup/
Electric Guitar Pickup - More DIY How To Projects]]> https://cdn.instructables.com/FK3/74AD/IE17WLEV/FK374ADIE17WLEV.SQUARE2.jpg https://cdn.instructables.com/FK3/74AD/IE17WLEV/FK374ADIE17WLEV.SQUARE.jpg https://cdn.instructables.com/FK3/74AD/IE17WLEV/FK374ADIE17WLEV.SMALL.jpg KJMagnetics How you can you build a pickup for an electric guitar using neodymium magnets and some wire? Musicians and engineers want to know! Building one ourselves seemed like a great way to learn about what's involved and how one can be made rather easily. Our pickup is a simple, easy pickup you can make wit...
By: KJMagnetics

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Tue, 1 Sep 2015 12:05:51 PDT
On/Off switch for a USB-Powered Device http://www.instructables.com/id/OnOff-switch-for-a-USB-Powered-Device/
On/Off switch for a USB-Powered Device - More DIY How To Projects]]> https://cdn.instructables.com/FUI/J05W/HR3EOW94/FUIJ05WHR3EOW94.SQUARE2.jpg https://cdn.instructables.com/FUI/J05W/HR3EOW94/FUIJ05WHR3EOW94.SQUARE.jpg https://cdn.instructables.com/FUI/J05W/HR3EOW94/FUIJ05WHR3EOW94.SMALL.jpg NEIN Overview This is a very simple little instructable about installing a toggle switch in a MicroUSB cable.  This was made for a specific project where I needed to kill the power without having access to the components that were connected.  If the cable was left connected, it would drain a battery.  Th...
By: NEIN

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Tue, 4 Feb 2014 14:29:31 PST
Battery Charger + Capacity (mAh) Tester http://www.instructables.com/id/Battery-Charger-Capacity-mAh-Tester/
Battery Charger + Capacity (mAh) Tester - More DIY How To Projects]]> https://cdn.instructables.com/FVV/B83Z/IH6M1A7P/FVVB83ZIH6M1A7P.SQUARE2.jpg https://cdn.instructables.com/FVV/B83Z/IH6M1A7P/FVVB83ZIH6M1A7P.SQUARE.jpg https://cdn.instructables.com/FVV/B83Z/IH6M1A7P/FVVB83ZIH6M1A7P.SMALL.jpg Kedar Nimbalkar Let's Make 3.7v Lithium Battery Charger That Tests Battery Capacity in mAh Using TP4056 And Usb Power Monitor Usb 5v Input Makes it Versetile to use it Any where on the go !Watch the videohttps://youtu.be/jg5MnGxyFOETp4056 is Perfect Lithium Battery Charger And Usb Power Monitor Gives You Your Batte...
By: Kedar Nimbalkar

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Fri, 20 Nov 2015 06:41:40 PST
Dry Film Photopolymer for making circuit boards http://www.instructables.com/id/Dry-Film-Photopolymer-for-making-circuit-boards/
Dry Film Photopolymer for making circuit boards - More DIY How To Projects]]> https://cdn.instructables.com/FQJ/SO32/H5TU8IVM/FQJSO32H5TU8IVM.SQUARE2.jpg https://cdn.instructables.com/FQJ/SO32/H5TU8IVM/FQJSO32H5TU8IVM.SQUARE.jpg https://cdn.instructables.com/FQJ/SO32/H5TU8IVM/FQJSO32H5TU8IVM.SMALL.jpg cpeniche I was reading on different web pages what could be the better way on doing a printed circuit. I tried presensitize board with great success, The first time I used one the circuit came out pretty good, the second time I tried to use a double sided presensitze board but it never worked. I was wonderin...
By: cpeniche

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Tue, 14 Aug 2012 00:03:19 PDT
Portable, Solar 12V Battery Pack http://www.instructables.com/id/Portable-12V-Battery-Pack/
Portable, Solar 12V Battery Pack - More DIY How To Projects]]> https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE2.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SMALL.jpg lonesoulsurfer Camping these days usually means bringing along things that need power. Usually I’d just use the cars 12v outlet but I find this a hassle, especially if you have to charge your phone at night. So, after being inspired by a build my youngest brother did, I decided to build myself a battery pack that...
By: lonesoulsurfer

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Tue, 23 Aug 2016 01:49:37 PDT
DIY Lab Bench Power Supply http://www.instructables.com/id/DIY-Lab-Bench-Power-Supply/
DIY Lab Bench Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FO2/J198/HY5NP10G/FO2J198HY5NP10G.SQUARE2.jpg https://cdn.instructables.com/FO2/J198/HY5NP10G/FO2J198HY5NP10G.SQUARE.jpg https://cdn.instructables.com/FO2/J198/HY5NP10G/FO2J198HY5NP10G.SMALL.jpg GreatScottLab Everyone has those older or newer ATX power supplies laying around. Now you have three options. You can throw them in your garbage, salvage some good parts or build a DIY lab bench power supply. The parts are dirt cheap and this supply can deliver more amps than some modern variable ones. Let's buil...
By: GreatScottLab

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Mon, 28 Jul 2014 08:40:31 PDT
NOR gate from NAND gate http://www.instructables.com/id/NOR-gate-from-NAND-gate/
NOR gate from NAND gate - More DIY How To Projects]]> https://cdn.instructables.com/FCR/NBYP/H3Z3C8OW/FCRNBYPH3Z3C8OW.SQUARE2.jpg https://cdn.instructables.com/FCR/NBYP/H3Z3C8OW/FCRNBYPH3Z3C8OW.SQUARE.jpg https://cdn.instructables.com/FCR/NBYP/H3Z3C8OW/FCRNBYPH3Z3C8OW.SMALL.jpg xyankeesx9209 Sometimes when you're building circuits, you dont always have the right components. Fortunately when it comes to digital logic gates, you can make the component you need! If you're fresh out of NOR gates, but have some NAND gates laying around, you're in luck! With four NAND gates, you can construct...
By: xyankeesx9209

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Thu, 28 Jun 2012 20:15:42 PDT
Easy to build 250 Quadcopter Drone. http://www.instructables.com/id/Easy-to-Built-250-Quadcopter-Drone/
Easy to build 250 Quadcopter Drone. - More DIY How To Projects]]> https://cdn.instructables.com/F6N/E00D/IRXT8FED/F6NE00DIRXT8FED.SQUARE2.jpg https://cdn.instructables.com/F6N/E00D/IRXT8FED/F6NE00DIRXT8FED.SQUARE.jpg https://cdn.instructables.com/F6N/E00D/IRXT8FED/F6NE00DIRXT8FED.SMALL.jpg JoséLuis MV In this tutorial, I am going to explain step by step how to built a 250 Quadcopter Drone. I had already built the drone when I decided to make this tutorial, so all the soldering and some construction is already made, but I will try to explain how to do it.Now, I could do a presentation of what a dr...
By: JoséLuis MV

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Fri, 19 Aug 2016 01:52:57 PDT
Li - Ion battery level indicator http://www.instructables.com/id/Li-Ion-battery-level-indicator/
Li - Ion battery level indicator - More DIY How To Projects]]> https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SMALL.jpg Osvaldas Are you looking for a simple circuit to measure your Lithium Ion single cell charging and discharging level? Here is one chip circuit, powered up from the same Lithium Ion battery you want to measure.This circuit is design to measure 3.7V rechargeable batteries level. 4.2V - 100%; 4V - 80%; 3.8V - ...
By: Osvaldas

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Tue, 21 Oct 2014 13:28:44 PDT
Build your own Crude FM Radio http://www.instructables.com/id/Build-your-own-Crude-FM-Radio/
Build your own Crude FM Radio - More DIY How To Projects]]> https://cdn.instructables.com/FGC/H1NO/IHKG82V1/FGCH1NOIHKG82V1.SQUARE2.jpg https://cdn.instructables.com/FGC/H1NO/IHKG82V1/FGCH1NOIHKG82V1.SQUARE.jpg https://cdn.instructables.com/FGC/H1NO/IHKG82V1/FGCH1NOIHKG82V1.SMALL.jpg GreatScottLab In this project I will demonstrate how a RF FM transmitter works and how this principle compares to the older AM. I will also show you how to build a simple and crude FM receiver which can even sometimes let you listen to your favorite radio stations. Let's get started! Watch the video! The video...
By: GreatScottLab

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Sun, 29 Nov 2015 07:55:38 PST
Collaborative PCB Intro http://www.instructables.com/id/Collaborative-PCB-Intro/
Collaborative PCB Intro - More DIY How To Projects]]> https://cdn.instructables.com/FIS/SRTM/IRPPNFDY/FISSRTMIRPPNFDY.SQUARE2.jpg https://cdn.instructables.com/FIS/SRTM/IRPPNFDY/FISSRTMIRPPNFDY.SQUARE.jpg https://cdn.instructables.com/FIS/SRTM/IRPPNFDY/FISSRTMIRPPNFDY.SMALL.gif CedHon This Instructable page is the result of a workshop that took place during the 2016 edition of PIF camp in Slovenia.The main objective was to introduce how to design, make and program an electronic circuit.Other projects can be found on Ljudmila's wiki. Design To allow a collaborative design, we ...
By: CedHon

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Wed, 10 Aug 2016 10:11:23 PDT
ESP8266 WiFi Module for Dummies http://www.instructables.com/id/ESP8266-WiFi-Module-for-Dummies/
ESP8266 WiFi Module for Dummies - More DIY How To Projects]]> https://cdn.instructables.com/FFR/5LGO/IRPPNNWZ/FFR5LGOIRPPNNWZ.SQUARE2.jpg https://cdn.instructables.com/FFR/5LGO/IRPPNNWZ/FFR5LGOIRPPNNWZ.SQUARE.jpg https://cdn.instructables.com/FFR/5LGO/IRPPNNWZ/FFR5LGOIRPPNNWZ.SMALL.jpg TonesB Overview of the ESP8266 WiFi ModuleThe ESP8266 is a really useful, cheap WiFi module for controlling devices over the Internet. It can work with a micro-controller like the Arduino or it can be programmed to work on its own. The Internet of Things (IoT) has just been made a whole lot cheaper and eas...
By: TonesB

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Tue, 9 Aug 2016 01:57:36 PDT
ESP8266 WiFi controlled aircon remote http://www.instructables.com/id/ESP8266-WiFi-Controlled-Aircon-Remote/
ESP8266 WiFi controlled aircon remote - More DIY How To Projects]]> https://cdn.instructables.com/FG3/96CX/IJD559XM/FG396CXIJD559XM.SQUARE2.jpg https://cdn.instructables.com/FG3/96CX/IJD559XM/FG396CXIJD559XM.SQUARE.jpg https://cdn.instructables.com/FG3/96CX/IJD559XM/FG396CXIJD559XM.SMALL.jpg beegee1962 In my first instructable Arduino Yun - Solar Panel Monitoring System I shared my small project to monitor the production of our solar panels. As we have to be very careful not to produce more energy than we consume, the next logical step is to automatically switch on appliances in the case of energy...
By: beegee1962

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Thu, 14 Jan 2016 00:10:36 PST