Instructables: exploring - technology - electronics - pcb - led http://www.instructables.com Sat, 3 Dec 2016 01:51:10 PST BLOX v1.01 LED Interactive Copper Etching http://www.instructables.com/id/LED-Interactive-Copper-Etching/
LED Interactive Copper Etching - More DIY How To Projects]]> https://cdn.instructables.com/FYN/A4V7/IVA4LVTP/FYNA4V7IVA4LVTP.SQUARE2.jpg https://cdn.instructables.com/FYN/A4V7/IVA4LVTP/FYNA4V7IVA4LVTP.SQUARE.jpg https://cdn.instructables.com/FYN/A4V7/IVA4LVTP/FYNA4V7IVA4LVTP.SMALL.jpg tommo_79 I created this project as a nice memento to mark the birth of my little boy. After experimenting with a copper etching of his newborn hands and feet, I decided to take it a bit further and add electronics.Each hand and foot etched from a copper PCB forms a capacitive sensor plate. An arduino measure...
By: tommo_79

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Thu, 10 Nov 2016 03:32:05 PST
Simple STM32 heart-shaped led blinker http://www.instructables.com/id/Simple-STM32-Heart-shaped-Led-Blinker/
Simple STM32 heart-shaped led blinker - More DIY How To Projects]]> https://cdn.instructables.com/FDV/W1TD/IV0AGW5A/FDVW1TDIV0AGW5A.SQUARE2.jpg https://cdn.instructables.com/FDV/W1TD/IV0AGW5A/FDVW1TDIV0AGW5A.SQUARE.jpg https://cdn.instructables.com/FDV/W1TD/IV0AGW5A/FDVW1TDIV0AGW5A.SMALL.jpg PrzemekM1 I need to learn how to make PCBs with UV method and I've create simple test board. Heart-shaped led blinker :) Materials: You need:- STM32F030F4P6- 12 LEDs SMD (0805)- 12 resistrors 1k 0805- 3 resistors 10k 0805- Battery connector and battery- one SMD PMOS- one SMD switch PCB: My firsts PCB wi...
By: PrzemekM1

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Fri, 4 Nov 2016 15:31:23 PDT
Stripboard PCB design http://www.instructables.com/id/Stripboard-PCB-Design/
Stripboard PCB design - More DIY How To Projects]]> https://cdn.instructables.com/FL3/FGXE/ITW4F046/FL3FGXEITW4F046.SQUARE2.jpg https://cdn.instructables.com/FL3/FGXE/ITW4F046/FL3FGXEITW4F046.SQUARE.jpg https://cdn.instructables.com/FL3/FGXE/ITW4F046/FL3FGXEITW4F046.SMALL.jpg postron This instructable will show you how to make a diagram for stripped PCB and build it.With a stripped PCB you can start build your circuit without to wait the shipping of a custom PCB. One of the photos is a raw PCB and on the other photos are the same PCB but with a circuit.Befor to start choose a ci...
By: postron

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Mon, 10 Oct 2016 14:56:07 PDT
Led POV SMD PCB http://www.instructables.com/id/Led-POV-SMD-PCB/
Led POV SMD PCB - More DIY How To Projects]]> https://cdn.instructables.com/F8N/MGUN/ITKJ6UV9/F8NMGUNITKJ6UV9.SQUARE2.jpg https://cdn.instructables.com/F8N/MGUN/ITKJ6UV9/F8NMGUNITKJ6UV9.SQUARE.jpg https://cdn.instructables.com/F8N/MGUN/ITKJ6UV9/F8NMGUNITKJ6UV9.SMALL.jpg jyax garcia Hello everyone, I bring a very interesting project and I like a lot, a Led POV which creates the illusion of seeing a number of characters from a row of leds that are rotating.This project was created several years ago, and I share the idea to build.The first thing I did was prepared with 8 standard...
By: jyax garcia

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Wed, 28 Sep 2016 00:39:48 PDT
Simple and Fun Proximity Alarm http://www.instructables.com/id/Simple-and-Fun-Proximity-Alarm/
Simple and Fun Proximity Alarm - More DIY How To Projects]]> https://cdn.instructables.com/FII/4WL2/IR6IMTVI/FII4WL2IR6IMTVI.SQUARE2.jpg https://cdn.instructables.com/FII/4WL2/IR6IMTVI/FII4WL2IR6IMTVI.SQUARE.jpg https://cdn.instructables.com/FII/4WL2/IR6IMTVI/FII4WL2IR6IMTVI.SMALL.jpg Lucas Reed Do you have a pesky sibling or pet that sneaks up on you? Are cars always in your blind spot? Create a proximity alarm that alerts you to approaching objects. This simple guide will teach you how to create a proximity alarm that will light up and make noise when something approaches. An ultrasonic r...
By: Lucas Reed

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Thu, 28 Jul 2016 09:50:54 PDT
8x8x8 LED CUBE with Arduino+PCB board http://www.instructables.com/id/8x8x8-LED-CUBE-With-ArduinoPCB-Board/
8x8x8 LED CUBE with Arduino+PCB board - More DIY How To Projects]]> https://cdn.instructables.com/FBD/OBBC/IQV7O4ND/FBDOBBCIQV7O4ND.SQUARE2.jpg https://cdn.instructables.com/FBD/OBBC/IQV7O4ND/FBDOBBCIQV7O4ND.SQUARE.jpg https://cdn.instructables.com/FBD/OBBC/IQV7O4ND/FBDOBBCIQV7O4ND.SMALL.jpg tomxu This project is inspired by 5.1m views posted by Chr (http://www.instructables.com/id/Led-Cube-8x8x8/)and I simplified some of process make it easier for most of us to do.here are some tips during my process:1. Use Arduino instead of micro chip to do the control unit . it will save lots of time to m...
By: tomxu

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Thu, 21 Jul 2016 23:14:33 PDT
SMART LED FLASHLIGHT - a tiny personal emergency Light sensing LED flashlight, made from available components and very simple for replicate itself in 20 minutes. http://www.instructables.com/id/SMART-LED-FLASHLIGHT-a-Tiny-Personal-Emergency-Lig/
SMART LED FLASHLIGHT - a tiny personal emergency Light sensing LED flashlight, made from available components and very simple for replicate itself in 20 minutes. - More DIY How To Projects]]> https://cdn.instructables.com/F2X/2D52/IQ8SCZH4/F2X2D52IQ8SCZH4.SQUARE2.jpg https://cdn.instructables.com/F2X/2D52/IQ8SCZH4/F2X2D52IQ8SCZH4.SQUARE.jpg https://cdn.instructables.com/F2X/2D52/IQ8SCZH4/F2X2D52IQ8SCZH4.SMALL.jpg Vitaliy_M How it works:The flashlight turns on automatic for 60 seconds when it senses that the room is dark enough.To turn on manual light for additional 60 seconds you need to push the RST button.The Light sensing LED Flashlight is invaluable for emergencies such as power failures or blackouts. ‚ÄčThe Flash...
By: Vitaliy_M

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Tue, 5 Jul 2016 22:34:21 PDT
First approach to flexible circuits http://www.instructables.com/id/First-Approach-to-Flexible-Circuits/
First approach to flexible circuits - More DIY How To Projects]]> https://cdn.instructables.com/F7H/3AC4/IPMUM3J8/F7H3AC4IPMUM3J8.SQUARE2.jpg https://cdn.instructables.com/F7H/3AC4/IPMUM3J8/F7H3AC4IPMUM3J8.SQUARE.jpg https://cdn.instructables.com/F7H/3AC4/IPMUM3J8/F7H3AC4IPMUM3J8.SMALL.jpg Simulation314 I'm learning to do flexible circuit and the first thing that I try is a flasher bracelet, so this is a log of the first approach that I did. One The circuit is the a 555 timer flasher based, Materials you'll need smd leds X 2smd resistor x 2smd capacitorsmd 555 timer(I used a dip type)copper Tap...
By: Simulation314

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Sun, 19 Jun 2016 18:57:22 PDT
Arduino - Dot Matrix Screen Writing LED http://www.instructables.com/id/Dot-Matrix-Screen-Writing/
Arduino - Dot Matrix Screen Writing LED - More DIY How To Projects]]> https://cdn.instructables.com/F60/OV9F/IOKN8W2N/F60OV9FIOKN8W2N.SQUARE2.jpg https://cdn.instructables.com/F60/OV9F/IOKN8W2N/F60OV9FIOKN8W2N.SQUARE.jpg https://cdn.instructables.com/F60/OV9F/IOKN8W2N/F60OV9FIOKN8W2N.SMALL.jpg PCBP 1. ObjectivesAchieve a pen writing on dot-matrix screen.2. Circuit analysisDot matrix screen handwriting consists of three main parts: the row scanning circuit, column scanning circuit shown, light pen detection circuit, block diagram below. Light pen used herein installed inside a light-sensitive s...
By: PCBP

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Mon, 23 May 2016 21:29:55 PDT
Circuit Planning: Create a Dual Flashing LED Circuit on Protoboard with 555 Timer http://www.instructables.com/id/Circuit-Planning-Create-a-Dual-Flashing-LED-Circui/
Circuit Planning: Create a Dual Flashing LED Circuit on Protoboard with 555 Timer - More DIY How To Projects]]> https://cdn.instructables.com/FH3/ED9T/IMCFAHCN/FH3ED9TIMCFAHCN.SQUARE2.jpg https://cdn.instructables.com/FH3/ED9T/IMCFAHCN/FH3ED9TIMCFAHCN.SQUARE.jpg https://cdn.instructables.com/FH3/ED9T/IMCFAHCN/FH3ED9TIMCFAHCN.SMALL.jpg sfcircuits The goal for this DIY project is to take you through all stages of circuit development that a company would typically go through when prototyping a product; not just a simple “how-to.” This includes: Mapping out the electronicsDesigning the schematicCreating a bill of materialsTesting a proof-of-con...
By: sfcircuits

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Mon, 28 Mar 2016 19:33:51 PDT
How to make Breadboard From PCB http://www.instructables.com/id/How-to-Make-Breadboard-From-PCB/
How to make Breadboard From PCB - More DIY How To Projects]]> https://cdn.instructables.com/FX6/EAWI/IKWXJI6P/FX6EAWIIKWXJI6P.SQUARE2.jpg https://cdn.instructables.com/FX6/EAWI/IKWXJI6P/FX6EAWIIKWXJI6P.SQUARE.jpg https://cdn.instructables.com/FX6/EAWI/IKWXJI6P/FX6EAWIIKWXJI6P.SMALL.jpg balsuryana Make breadboard is easy! And total cost under 1 dollar!Its so usefull for your experiments!Ok lets do it! You need! Make a Breadboard! 1. Cut The middle of the PCB (I make 10x4. You can make bigger Breadboard)2. Glue the first and second PCB with super glue (Do gluing if the two pcb look a ho...
By: balsuryana

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Mon, 22 Feb 2016 02:18:32 PST
Touch Activated Blinky Badge http://www.instructables.com/id/Touch-Activated-Blinky-Badge/
Touch Activated Blinky Badge - More DIY How To Projects]]> https://cdn.instructables.com/F7Q/LUOH/IF0XX02G/F7QLUOHIF0XX02G.SQUARE2.jpg https://cdn.instructables.com/F7Q/LUOH/IF0XX02G/F7QLUOHIF0XX02G.SQUARE.jpg https://cdn.instructables.com/F7Q/LUOH/IF0XX02G/F7QLUOHIF0XX02G.SMALL.jpg electronut This is a simple project to teach soldering and electronics to kids (10+ years) and beginners. I first thought of a simple two transistor LED flasher, but then decided to make it interactive by adding a touch sensitive element to it. The idea is that once made, this PCB can be worn as a badge. Sch...
By: electronut

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Sat, 26 Sep 2015 19:17:13 PDT
DIY Pyralux for Flexible Circuits http://www.instructables.com/id/Simple-Flexible-Circuit-or-DIY-Pyralux/
DIY Pyralux for Flexible Circuits - More DIY How To Projects]]> https://cdn.instructables.com/F0L/AUGV/IDBHZBLO/F0LAUGVIDBHZBLO.SQUARE2.jpg https://cdn.instructables.com/F0L/AUGV/IDBHZBLO/F0LAUGVIDBHZBLO.SQUARE.jpg https://cdn.instructables.com/F0L/AUGV/IDBHZBLO/F0LAUGVIDBHZBLO.SMALL.jpg tdonoclift Flexible circuits have their uses in many applications but the fastest growing application is in wearable electronics. I was originally interested in making a flexible circuit to be fixed to the circumference of an acrylic disc, so after browsing instructables I came across a very good instuctable t...
By: tdonoclift

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Fri, 14 Aug 2015 10:20:48 PDT
Fading RGB Keyboard Light http://www.instructables.com/id/Fading-RGB-Keyboard-Light/
Fading RGB Keyboard Light - More DIY How To Projects]]> https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE2.jpg https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE.jpg https://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SMALL.jpg PopsicleGhoul Old electronics are widely available and can usually be recycled into cool gadgets and incorporated into other projects. This Instructable will go through the process of using an old scanner to make a fading rainbow keyboard light. The inspiration for this project came when I was playing with the ...
By: PopsicleGhoul

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Fri, 1 May 2015 14:00:14 PDT
Solar Arc Reactor http://www.instructables.com/id/Solar-Arc-Reactor/
Solar Arc Reactor - More DIY How To Projects]]> https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SQUARE2.jpg https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SQUARE.jpg https://cdn.instructables.com/FZK/FWSS/I7N634QT/FZKFWSSI7N634QT.SMALL.jpg BlondeJamesDean The idea of Iron Man's infinite power Arc Reactor is awe-inspiring and led me to create the next best thing..a solar Arc Reactor night light! How it works The solar cell charges a lithium ion battery during the day and at night the LED Arc Reactor style ring switches on.The circuit uses a LDR esp...
By: BlondeJamesDean

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Sat, 14 Feb 2015 10:49:56 PST
The Nerd Watch http://www.instructables.com/id/The-Nerd-Watch/
The Nerd Watch - More DIY How To Projects]]> https://cdn.instructables.com/FBX/M82A/I4J7BBEB/FBXM82AI4J7BBEB.SQUARE2.jpg https://cdn.instructables.com/FBX/M82A/I4J7BBEB/FBXM82AI4J7BBEB.SQUARE.jpg https://cdn.instructables.com/FBX/M82A/I4J7BBEB/FBXM82AI4J7BBEB.SMALL.jpg othermachine Hello! Welcome to another Other Machine project tutorial! I'm Sam DeRose, a former Other Machine Co. Summer Intern. I created the Nerd Watch last summer while working at OMC.The Nerd Watch displays the time in binary when the button is pushed. The watch shows the hour and minutes by flashing two LED...
By: othermachine

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Wed, 7 Jan 2015 13:54:17 PST
Micro 555 timer circuit http://www.instructables.com/id/Dark-activated-blinking-LED/
Micro 555 timer circuit - More DIY How To Projects]]> https://cdn.instructables.com/FK1/LVZU/I7MX2K9C/FK1LVZUI7MX2K9C.SQUARE2.jpg https://cdn.instructables.com/FK1/LVZU/I7MX2K9C/FK1LVZUI7MX2K9C.SQUARE.jpg https://cdn.instructables.com/FK1/LVZU/I7MX2K9C/FK1LVZUI7MX2K9C.SMALL.jpg BlondeJamesDean At 10mm x 10mm, this is one of the smallest 555 I.C circuits you'll ever see! The Idea So far this has just been a project of mine to shrink down a 555 timer circuit as small as I can using micro electronics.The circuit is pretty self explanatory.Experiment with different resistors to get differe...
By: BlondeJamesDean

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Thu, 25 Sep 2014 12:19:20 PDT
VU-METER http://www.instructables.com/id/VU-METER-1/
VU-METER - More DIY How To Projects]]> https://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SQUARE2.jpg https://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SQUARE.jpg https://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SMALL.jpg Mock5 A mono VU-Meter with power supply. Parts: 10K potentiometer 1.2K R 470uF cap LM7812 12V transformer MIC BR610 Square Bridge Rectifier LM3915 3x 0.1uF caps. 10 LEDs misc. This is a simple VU-meter that uses the LM3915. The input are the 2 floating connections. It uses 12 V AC that is converted into ...
By: Mock5

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Sat, 30 Mar 2013 11:04:53 PDT
LED Driver (5 LEDs) http://www.instructables.com/id/LED-Driver-5-LEDs/
LED Driver (5 LEDs) - More DIY How To Projects]]> https://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SQUARE2.jpg https://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SQUARE.jpg https://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SMALL.jpg Mock5 This is a simple LED driver/power supply for 5 LEDs. Parts: It uses the LM7812 positive voltage regulator, 2x 0.1uF Capacitors 1000uF/16V Capacitor RBV - 406 rectifier 5 LEDs (I used transparent green) A 12V transformer ~500mA For Typical Forward Voltage use 78 - 100 ohms resistor for Max Forward V...
By: Mock5

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Wed, 13 Mar 2013 12:05:29 PDT
Logic Love Heart http://www.instructables.com/id/Logic-Love-Heart/
Logic Love Heart - More DIY How To Projects]]> https://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SQUARE2.jpg https://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SQUARE.jpg https://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SMALL.jpg passmadd Hello everyone :) This is a Logic Love Heart I created for an old flame this year (we have a kid and we're still good mates, plus I like winding her up). Some say love isn't logical, well it is now! So sit back, grab a beer and I'll show you how I made this. Firstly, I had some fundamentals for t...
By: passmadd

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Sun, 24 Feb 2013 15:28:02 PST
Soldering a LED to the 'Wrong' Side of a PCB http://www.instructables.com/id/Soldering-a-LED-To-The-Wrong-Side-Of-A-PCB/
Soldering a LED to the 'Wrong' Side of a PCB - More DIY How To Projects]]> https://cdn.instructables.com/FJ5/EJ64/H5W8AJI0/FJ5EJ64H5W8AJI0.SQUARE2.jpg https://cdn.instructables.com/FJ5/EJ64/H5W8AJI0/FJ5EJ64H5W8AJI0.SQUARE.jpg https://cdn.instructables.com/FJ5/EJ64/H5W8AJI0/FJ5EJ64H5W8AJI0.SMALL.jpg AndyGadget Why would you want to mount LEDs on the copper side of a single sided board?  How about if you want to mount a board directly behind a front panel with the LEDs showing through holes in the panel.  You can't put them on the usual side because the other components would stop the board fitting flush t...
By: AndyGadget

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Mon, 20 Aug 2012 12:56:41 PDT
LED Sign - Sequencer http://www.instructables.com/id/LED-Sign-Sequencer/
LED Sign - Sequencer - More DIY How To Projects]]> https://cdn.instructables.com/FJO/J5UI/H4AGE5D1/FJOJ5UIH4AGE5D1.SQUARE2.jpg https://cdn.instructables.com/FJO/J5UI/H4AGE5D1/FJOJ5UIH4AGE5D1.SQUARE.jpg https://cdn.instructables.com/FJO/J5UI/H4AGE5D1/FJOJ5UIH4AGE5D1.SMALL.jpg WWC This is an LED sign for my Internet shop here in the Philippines. It lights each letter progressively until all are lit then keeps the word on for one more sequence, then off. Repeat. I didnt use the 2N3053"s shown in the diagram as they are 7 times more expensive than the BD135"s i replaced them w...
By: WWC

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Sun, 22 Jul 2012 19:04:04 PDT
Electronic Controller Device (Analog) http://www.instructables.com/id/Electronic-Circuit-Device/
Electronic Controller Device (Analog) - More DIY How To Projects]]> https://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SQUARE2.jpg https://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SQUARE.jpg https://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SMALL.jpg Sparker94 I made this analog circuit for two reasons. One: To stop my wires from melting due to too much current. Two: To limit the load on the alternator. Instead of the lights on a trailer going through the tail light circuit on the vehicle, which caused mine to melt, It will pull current directly from the ...
By: Sparker94

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Sat, 3 Mar 2012 19:45:04 PST
how to make a very simple NPN transistor tester http://www.instructables.com/id/how-to-make-a-very-simple-NPN-transistor-tester/
how to make a very simple NPN transistor tester - More DIY How To Projects]]> https://cdn.instructables.com/FTF/MEIO/GAPV83OQ/FTFMEIOGAPV83OQ.SQUARE2.jpg https://cdn.instructables.com/FTF/MEIO/GAPV83OQ/FTFMEIOGAPV83OQ.SQUARE.jpg https://cdn.instructables.com/FTF/MEIO/GAPV83OQ/FTFMEIOGAPV83OQ.SMALL.jpg Jimmy Proton in this instructable i will show you how to make a very simple NPN transistor tester. you will need: a NPN transistor (to test)  a 10K OHM resistor a 470 OHM resistor a LED a on/off switch and a 9V battery (5-12V) making it. here are the schematics. and a picture of my finished product.
By: Jimmy Proton

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Fri, 25 Jun 2010 16:49:16 PDT
Throbbing/Fading/Flashing LED with 555 Timer http://www.instructables.com/id/ThrobbingFading-LED-with-555-Timer/
Throbbing/Fading/Flashing LED with 555 Timer - More DIY How To Projects]]> https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SQUARE2.jpg https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SQUARE.jpg https://cdn.instructables.com/FGE/KV05/FWYHW7MF/FGEKV05FWYHW7MF.SMALL.jpg MrBeta This tiny circuit is a simple way to make a fading led without having to program chips or writing code. Just a few simple components and you're ready to fade all day. The end result is a constant fade up and fade down just like a Mac on standby. Try it! See how small you can build it. If you like it...
By: MrBeta

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Thu, 16 Jul 2009 18:47:50 PDT