Instructables: exploring - technology - electronics - pcb - popular http://www.instructables.com Mon, 20 Oct 2014 11:14:00 PDT BLOX v1.01 PCB etching.. with vinyl! http://www.instructables.com/id/PCB-etching-with-vinyl/
PCB etching.. with vinyl! - More DIY How To Projects]]> http://cdn.instructables.com/FHB/NAH8/I0W92I9H/FHBNAH8I0W92I9H.SQUARE2.jpg http://cdn.instructables.com/FHB/NAH8/I0W92I9H/FHBNAH8I0W92I9H.SQUARE.jpg http://cdn.instructables.com/FHB/NAH8/I0W92I9H/FHBNAH8I0W92I9H.SMALL.jpg zack247 It's rather unheard of, using adhesives like vinyl as an etch resist. People typically use laser printers and transfer the toner from glossy photo paper, or they use UV lights and images of their circuit printed onto transparencies to develop a photoresist.While both of those methods yield proven, q...
By: zack247

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Tue, 7 Oct 2014 04:14:08 PDT
Making a USB Game Controller http://www.instructables.com/id/Making-a-USB-Game-Controller/
Making a USB Game Controller - More DIY How To Projects]]> http://cdn.instructables.com/FNN/G6FC/I06J93E0/FNNG6FCI06J93E0.SQUARE2.jpg http://cdn.instructables.com/FNN/G6FC/I06J93E0/FNNG6FCI06J93E0.SQUARE.jpg http://cdn.instructables.com/FNN/G6FC/I06J93E0/FNNG6FCI06J93E0.SMALL.jpg NextFab Here at NextFab, we designed a fully functional, USB game controller for Philly Tech Week. This project will be particularly tricky without some more serious electronics equipment or a local makerspace with the proper tools, but we thought we would post our walk-through in case you do have the acce...
By: NextFab

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Wed, 17 Sep 2014 12:36:25 PDT
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards - MCU Version http://www.instructables.com/id/Modification-of-the-Lexmark-E260-for-Direct-Laser--1/
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards - MCU Version - More DIY How To Projects]]> http://cdn.instructables.com/FJX/ZQJG/HZMJ32WT/FJXZQJGHZMJ32WT.SQUARE2.jpg http://cdn.instructables.com/FJX/ZQJG/HZMJ32WT/FJXZQJGHZMJ32WT.SQUARE.jpg http://cdn.instructables.com/FJX/ZQJG/HZMJ32WT/FJXZQJGHZMJ32WT.SMALL.jpg mlerman For the latest changes, additions and errata see step 13This is the second version of my E260 modification. It uses an ATtiny13 MCU to control the timing of the printer and make it possible to print double sided PCBs at home.As an electronic hobbyist and inventor I often need to make printed circuit...
By: mlerman

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Wed, 3 Sep 2014 14:13:01 PDT
DIY PCB using Liquid Photoresist http://www.instructables.com/id/DIY-PCB-using-Liquid-Photoresist/
DIY PCB using Liquid Photoresist - More DIY How To Projects]]> http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SQUARE2.jpg http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SQUARE.jpg http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SMALL.jpg synthdood I have been an avid electronics DIY guy for many years now, and I have spent a lot of that time struggling to learn how to make my own PCBs. I have tried every technique that I have come across on the internet, from iron-on print outs to dry photosensitive blue sheets. Sometimes I was successful in ...
By: synthdood

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Tue, 26 Aug 2014 15:35:29 PDT
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards http://www.instructables.com/id/Modification-of-the-Lexmark-E260-for-Direct-Laser-/
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards - More DIY How To Projects]]> http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SQUARE2.jpg http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SQUARE.jpg http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SMALL.jpg mlerman For the latest version click here: Latest versionAs an electronic hobbyist and inventor I often need to make printed circuit boards (PCBs) in single or small quantities. Usually these are relatively simple circuits: an MCU, some input conditioning circuitry, some output circuitry, and usually they a...
By: mlerman

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Sat, 2 Aug 2014 14:28:53 PDT
The Ultimate FM Transmitter (Long Range Spybug) http://www.instructables.com/id/The-Ultimate-FM-Transmitter/
The Ultimate FM Transmitter (Long Range Spybug) - More DIY How To Projects]]> http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SQUARE2.jpg http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SQUARE.jpg http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SMALL.jpg ASCAS Have you ever wanted to broadcast your own radio station within your neighborhood? Ever get curious on where people get those "Surveillance Bugs" from spy and action movies? This small and simple FM transmitter is the toy that geeks have always wanted.FM transmitters can be complicated to build, tha...
By: ASCAS

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Sun, 13 Jul 2014 10:44:05 PDT
White Glue Release Agent for PCB Toner Transfer http://www.instructables.com/id/White-Glue-Release-Agent-for-PCB-Toner-Transfer-Me/
White Glue Release Agent for PCB Toner Transfer - More DIY How To Projects]]> http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SQUARE2.jpg http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SQUARE.jpg http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SMALL.jpg MrJohnHSmith After spending two and a half months of concerted effort trying various methods of transferring artwork to a copper clad board; I have recently discovered a simple, low skill method of doing so. The result is a transfer which looks like an art project, and is so simple that I simply must share.Here ...
By: MrJohnHSmith

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Sun, 6 Jul 2014 20:31:13 PDT
Most Simple Home-Made PCB by Toner Transfer http://www.instructables.com/id/Most-Simple-Home-Made-PCB-by-Toner-Transfer/
Most Simple Home-Made PCB by Toner Transfer - More DIY How To Projects]]> http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SQUARE2.jpg http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SQUARE.jpg http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SMALL.jpg electrodragon Compare to Photo-sensitive PCB, toner transfer PCB require less tools, steps to do, also every easy to control. We finish this simple board in 10 minutes. Of course, we provide a very professional PCB service now, you can get a very high quality PCB sample from our this service. I have to say this ...
By: electrodragon

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Wed, 6 Mar 2013 17:38:41 PST
Toner transfer for PCB : Flamethrower Style http://www.instructables.com/id/Toner-transfer-for-PCB-Flamethrower-Style/
Toner transfer for PCB : Flamethrower Style - More DIY How To Projects]]> http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SQUARE2.jpg http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SQUARE.jpg http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SMALL.jpg fmarquis Hello everyone!If you are a Maker interested in electronics, chances are you are trying (or tried, or gave up trying) to make your own PCBs. Going for professional PCB manufacturing may be a very good idea, especially if you are working on anything where reliability is not an option or if you need a...
By: fmarquis

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Sat, 7 Jun 2014 21:07:37 PDT
Printed Circuit Board Production using UV Nail Curing Lamp http://www.instructables.com/id/Printed-Circuit-Board-Production-using-UV-Nail-Cur/
Printed Circuit Board Production using UV Nail Curing Lamp - More DIY How To Projects]]> http://cdn.instructables.com/FNU/EZFI/HVCUUDML/FNUEZFIHVCUUDML.SQUARE2.jpg http://cdn.instructables.com/FNU/EZFI/HVCUUDML/FNUEZFIHVCUUDML.SQUARE.jpg http://cdn.instructables.com/FNU/EZFI/HVCUUDML/FNUEZFIHVCUUDML.SMALL.jpg qthurtle This Instructable is to accompany a demonstration to be given to Ipswich (UK) Makerspace in May 2014, but might be of interest to any would-be PCB producers, particularly based in the UK (due to the sourcing of materials).It is a 'photographic' system, using pre-sensitised boards (4" x 6" at £2-40 i...
By: qthurtle

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Tue, 27 May 2014 05:40:42 PDT
How to waterproof circuit boards (epoxy method). http://www.instructables.com/id/How-to-waterproof-circuit-boards-epoxy-method/
How to waterproof circuit boards (epoxy method). - More DIY How To Projects]]> http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SQUARE2.jpg http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SQUARE.jpg http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SMALL.jpg David97 In this instructable I will show you how to waterproof a circuit board. I will be waterproofing a cheap RC receiver from HobbyKing, but the same method can be applied to many different boards. I have used this technique for a few years now, and never had issues with it.This will void warranty! Do at...
By: David97

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Fri, 16 May 2014 15:51:23 PDT
Step-up Booster http://www.instructables.com/id/Step-up-Booster/
Step-up Booster - More DIY How To Projects]]> http://cdn.instructables.com/FXN/HWNJ/HV0KZ11N/FXNHWNJHV0KZ11N.SQUARE2.jpg http://cdn.instructables.com/FXN/HWNJ/HV0KZ11N/FXNHWNJHV0KZ11N.SQUARE.jpg http://cdn.instructables.com/FXN/HWNJ/HV0KZ11N/FXNHWNJHV0KZ11N.SMALL.jpg frapedia This is a DC-to-DC Step-up Booster circuit (Input 3.5V-13V) to 12VDC / 1.5A Output Introduction The schematic is from the www.elecfree.comI encourage you to pay a visit as there are lots of useful schematics to use freely.All I did was to draw the PCB layout and test the circuit which works perf...
By: frapedia

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Sat, 10 May 2014 22:03:06 PDT
Is the best PCB etchant in every kitchen ? http://www.instructables.com/id/Is-the-best-PCB-etchant-in-every-kitchen-/
Is the best PCB etchant in every kitchen ? - More DIY How To Projects]]> http://cdn.instructables.com/FY1/7VBR/HUPHN4N6/FY17VBRHUPHN4N6.SQUARE2.jpg http://cdn.instructables.com/FY1/7VBR/HUPHN4N6/FY17VBRHUPHN4N6.SQUARE.jpg http://cdn.instructables.com/FY1/7VBR/HUPHN4N6/FY17VBRHUPHN4N6.SMALL.jpg Feynmaniac After a lot of reading and inspiring from Instructables for two years now I decided to step ahead and do my first Instructable on two subjects I particularly like : PCB making & The scientific method. Feel free to comment and criticize my work, I think scientific method is also about improving an...
By: Feynmaniac

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Fri, 2 May 2014 19:07:42 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
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
High Voltage Power Supply for Nixie and Valve Tubes http://www.instructables.com/id/High-Voltage-Power-Supply-for-Nixie-and-Valve-Tube/
High Voltage Power Supply for Nixie and Valve Tubes - More DIY How To Projects]]> http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SQUARE2.jpg http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SQUARE.jpg http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SMALL.jpg andrea biffi Since in last years nixies displays attracted my attention so much that I bought many of them, I finally managed to design a good power supply and my nixie clock is on the way... [UPDATE: done! read instructable here) With this circuit you can test a nixie display, or power a multiplexed nixie clock...
By: andrea biffi

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Tue, 19 Nov 2013 08:17:45 PST
custom adapter for tiny connectors or IC http://www.instructables.com/id/custom-adapter-for-tiny-connectors-or-IC/
custom adapter for tiny connectors or IC - More DIY How To Projects]]> http://cdn.instructables.com/FG5/BU3G/HMEXX7EP/FG5BU3GHMEXX7EP.SQUARE2.jpg http://cdn.instructables.com/FG5/BU3G/HMEXX7EP/FG5BU3GHMEXX7EP.SQUARE.jpg http://cdn.instructables.com/FG5/BU3G/HMEXX7EP/FG5BU3GHMEXX7EP.SMALL.jpg andrea biffi It happens that you find interesting pieces at local fairies. In this case I bought some LCD displays for 1€ each.  Since I wanted to connect them to a breadboard to make prototypes or test some features or codes, I needed to solder many wires to the tiny LCD contacts, or making a PCB to connect tho...
By: andrea biffi

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Mon, 14 Oct 2013 07:54:23 PDT
Easy, Consistent & Cheap Toner Transfer Method for Single & Double Sided PCBs http://www.instructables.com/id/Easy-Consistent-Cheap-Toner-Transfer-Method-for-Si/
Easy, Consistent & Cheap Toner Transfer Method for Single & Double Sided PCBs - More DIY How To Projects]]> http://cdn.instructables.com/F7Z/K641/HKUD17E0/F7ZK641HKUD17E0.SQUARE2.jpg http://cdn.instructables.com/F7Z/K641/HKUD17E0/F7ZK641HKUD17E0.SQUARE.jpg http://cdn.instructables.com/F7Z/K641/HKUD17E0/F7ZK641HKUD17E0.SMALL.jpg dodgey99 Yes, yet another toner transfer PCB etching tutorial - But wait! I've experimented a LOT and found the key to producing reliable results. The secret is in the execution, NOT the materials. I'm now producing 2 sided PCBs with perfect tracks on my 1st attempt. So, let's go.... What you'll Need - A ...
By: dodgey99

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Tue, 27 Aug 2013 10:34:45 PDT
Fast and Easy PCB Prototyping with Vinyl! http://www.instructables.com/id/Fast-and-Easy-PCB-Prototyping-with-Vinyl/
Fast and Easy PCB Prototyping with Vinyl! - More DIY How To Projects]]> http://cdn.instructables.com/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SQUARE2.jpg http://cdn.instructables.com/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SQUARE.jpg http://cdn.instructables.com/FFP/PGE2/GVVPCZL9/FFPPGE2GVVPCZL9.SMALL.jpg BitBoink Hello everybody !!! One of the most aggravating things when creating DIY circuits is the making of the PCB. Up till now, DIY methods require alot of work and time on each board. If you have struggled with other methods of DIY PCB prototyping you've likely figured out the hard way that they can be f...
By: BitBoink

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Thu, 8 Dec 2011 15:16:32 PST
PCB making guide http://www.instructables.com/id/PCB-making-guide/
PCB making guide - More DIY How To Projects]]> http://cdn.instructables.com/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SQUARE2.jpg http://cdn.instructables.com/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SQUARE.jpg http://cdn.instructables.com/FIJ/S4TJ/HFD16XWB/FIJS4TJHFD16XWB.SMALL.jpg pinomelean There are many ways to make your own homemade PCB's, They all work, but some better than other, some faster than other, ones are cheap and others expensive.... After several attempts, i found the way of making PCB's, wich is the cheapest, easiest and fastest for me. I hope this instructable will he...
By: pinomelean

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Sun, 12 May 2013 07:05:02 PDT
My PCB Making http://www.instructables.com/id/My-PCB-Making/
My PCB Making - More DIY How To Projects]]> http://cdn.instructables.com/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SQUARE2.jpg http://cdn.instructables.com/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SQUARE.jpg http://cdn.instructables.com/FXY/3QVT/H3QEXGMG/FXY3QVTH3QEXGMG.SMALL.jpg msuzuki777 So this Lazy Old Geek (LOG) decided to start making my own PCBs (Printed Circuit Boards). There are a lot of good Instructables to do this but I couldn't find one to do the whole process the way I wanted to. As some of you may know, I am a stickler for details. Here are some of my 'requirements': ...
By: msuzuki777

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

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Tue, 2 Apr 2013 10:35:31 PDT
How to Etch a PCB http://www.instructables.com/id/How-to-Etch-a-PCB/
How to Etch a PCB - More DIY How To Projects]]> http://cdn.instructables.com/FHB/R01C/HCJOFNMZ/FHBR01CHCJOFNMZ.SQUARE2.jpg http://cdn.instructables.com/FHB/R01C/HCJOFNMZ/FHBR01CHCJOFNMZ.SQUARE.jpg http://cdn.instructables.com/FHB/R01C/HCJOFNMZ/FHBR01CHCJOFNMZ.SMALL.jpg dannewoo All materials used in this instructable came from the PCB Fab-In-A-Box Starter Kit which can be purchase here. You will also need to purchase some PCB Etching Solution. Design First you need to design the board using a service like Eagle, Fritzing or you can even just use Adobe Illustrator if you...
By: dannewoo

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Wed, 30 Jan 2013 22:59:21 PST
Make 10 Etchants for Copper Printed Circuit Boards http://www.instructables.com/id/Make-10-Etchants-for-Copper-Printed-Circuit-Boards/ http://cdn.instructables.com/FZT/DKMA/HA4M8KK8/FZTDKMAHA4M8KK8.SQUARE2.jpg http://cdn.instructables.com/FZT/DKMA/HA4M8KK8/FZTDKMAHA4M8KK8.SQUARE.jpg http://cdn.instructables.com/FZT/DKMA/HA4M8KK8/FZTDKMAHA4M8KK8.SMALL.jpg NurdRage We show 10 ways to make PCB etchants using easy to access chemicals 1. Hydrogen Peroxide (5mL of 3%) and Hydrochloric Acid (5mL of 37%) Loses strength in storage but makes copper chloride that can later be used as a fully recyclable etchant. 2. Hydrogen Peroxide (10mL of 3%) + Sulfuric acid (1mL o...
By: NurdRage

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Sun, 9 Dec 2012 16:00:54 PST
AVR Chronograph from concept to PCB http://www.instructables.com/id/AVR-Chronograph-from-concept-to-PCB/
AVR Chronograph from concept to PCB - More DIY How To Projects]]> http://cdn.instructables.com/FQN/XY8B/H8OJETX7/FQNXY8BH8OJETX7.SQUARE2.jpg http://cdn.instructables.com/FQN/XY8B/H8OJETX7/FQNXY8BH8OJETX7.SQUARE.jpg http://cdn.instructables.com/FQN/XY8B/H8OJETX7/FQNXY8BH8OJETX7.SMALL.jpg mofoya A chronograph is a device used to measure the speed of a passing object.  In it's simplest form, this involves two sensors of some kind that 'see' the object, some device that can measure time, and some output to deliver the data to the user. In this instructable, I'll be showing how I designed, pr...
By: mofoya

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Tue, 13 Nov 2012 14:07:00 PST
How to remove and re-attach LCD Ribbon from a PCB with a Fine Pitch http://www.instructables.com/id/How-to-remove-and-re-attach-LCD-Ribbon-from-a-PCB-/
How to remove and re-attach LCD Ribbon from a PCB with a Fine Pitch - More DIY How To Projects]]> http://cdn.instructables.com/FR4/9FT7/H7432F00/FR49FT7H7432F00.SQUARE2.jpg http://cdn.instructables.com/FR4/9FT7/H7432F00/FR49FT7H7432F00.SQUARE.jpg http://cdn.instructables.com/FR4/9FT7/H7432F00/FR49FT7H7432F00.SMALL.jpg chaoticandrandom This instructable came about from a broken LCD control module out of a modern VW Camper Van. The LCD module is part of a control unit which was virtually unreadable and a replacement for a new unit was £400+. It really was a no lose option, either have a go at fixing it or end up buying a new unit. ...
By: chaoticandrandom

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Tue, 18 Sep 2012 04:48:57 PDT
The Etchinator - low cost PCB spray etcher (under $100) http://www.instructables.com/id/The-Etchinator-low-cost-spray-etcher/
The Etchinator - low cost PCB spray etcher (under $100) - More DIY How To Projects]]> http://cdn.instructables.com/FC4/MDLV/H73WY87I/FC4MDLVH73WY87I.SQUARE2.jpg http://cdn.instructables.com/FC4/MDLV/H73WY87I/FC4MDLVH73WY87I.SQUARE.jpg http://cdn.instructables.com/FC4/MDLV/H73WY87I/FC4MDLVH73WY87I.SMALL.jpg cunning_fellow What/Where/Why/How? What is etching and what is spray etching? Etching is the process of eating away a pattern on a target material by using an etchant liquid that attacks the target material. The most common target materials are copper and brass. The most common etchant liquids are ferric ch...
By: cunning_fellow

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Sat, 15 Sep 2012 16:25:24 PDT
Flexible Circuits http://www.instructables.com/id/Flexible-Circuits/ http://cdn.instructables.com/FKV/CESG/H6DWVLCX/FKVCESGH6DWVLCX.SQUARE2.jpg http://cdn.instructables.com/FKV/CESG/H6DWVLCX/FKVCESGH6DWVLCX.SQUARE.jpg http://cdn.instructables.com/FKV/CESG/H6DWVLCX/FKVCESGH6DWVLCX.SMALL.jpg amandaghassaei I used conductive paint to make a simple flexible circuit that lights and dims an LED depending on how much it is flexed.  I used to work on a project that involved fabricating circuits on contact lenses, where we used micron-precision lithography to lay down tiny conductive traces on the surface of...
By: amandaghassaei

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Mon, 3 Sep 2012 21:30:17 PDT
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/ http://cdn.instructables.com/FJ5/EJ64/H5W8AJI0/FJ5EJ64H5W8AJI0.SQUARE2.jpg http://cdn.instructables.com/FJ5/EJ64/H5W8AJI0/FJ5EJ64H5W8AJI0.SQUARE.jpg http://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
Logic Probe with a Paperclip http://www.instructables.com/id/Logic-Probe-with-a-Paperclip/
Logic Probe with a Paperclip - More DIY How To Projects]]> http://cdn.instructables.com/FW4/PRSS/H673CMJ2/FW4PRSSH673CMJ2.SQUARE2.jpg http://cdn.instructables.com/FW4/PRSS/H673CMJ2/FW4PRSSH673CMJ2.SQUARE.jpg http://cdn.instructables.com/FW4/PRSS/H673CMJ2/FW4PRSSH673CMJ2.SMALL.jpg Mattosx Here is a logic probe made out of some basic parts: A hex inverter, some resistors, transistors, and a paper clip that is acting as a probe. This instructable contains the PCB art so you can etch your own. Diagram & Schematic Below is a PCB layout explanation and a schematic.  A drop down re...
By: Mattosx

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Fri, 24 Aug 2012 20:18:10 PDT
How To Quickly Find And Trace PCB Tracks http://www.instructables.com/id/How-To-Quickly-Find-And-Trace-PCB-Tracks-1/ http://cdn.instructables.com/FRS/AR5E/H5JVORZ4/FRSAR5EH5JVORZ4.SQUARE2.jpg http://cdn.instructables.com/FRS/AR5E/H5JVORZ4/FRSAR5EH5JVORZ4.SQUARE.jpg http://cdn.instructables.com/FRS/AR5E/H5JVORZ4/FRSAR5EH5JVORZ4.SMALL.jpg hertzgamma This instructable will show you how to create a tool that will allow you to easily and quickly find and trace a PCB track. Whether you are creating a PCB or you are modifying or repairing it - this tool will save you lots of time and energy! Stuck with finding a track on a multi-layered PCB? No pro...
By: hertzgamma

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Sat, 11 Aug 2012 03:22:33 PDT
Dry Film Solder Mask http://www.instructables.com/id/Dry-Film-Solder-Mask/
Dry Film Solder Mask - More DIY How To Projects]]> http://cdn.instructables.com/FIQ/16GW/H4VQR39H/FIQ16GWH4VQR39H.SQUARE2.jpg http://cdn.instructables.com/FIQ/16GW/H4VQR39H/FIQ16GWH4VQR39H.SQUARE.jpg http://cdn.instructables.com/FIQ/16GW/H4VQR39H/FIQ16GWH4VQR39H.SMALL.jpg cpeniche This Instructable is about dry film solder mask, in other words, is the green stuff that is on top of the circuit board. I like to use smd components in my circuits board because I don't have a computerized drill machine and do in it by hand for a big boards are really tedious. Soldering smd compon...
By: cpeniche

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Fri, 20 Jul 2012 18:33:00 PDT
Visual rain sensor http://www.instructables.com/id/Visual-rain-sensor/
Visual rain sensor - More DIY How To Projects]]> http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE2.jpg http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE.jpg http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SMALL.jpg frapedia An other rain sensor, it consists of the typical rain sensor with the line shaped PCB where the rain falls, a microphone per-amplifier, an amplifier, a VU meter and a power supply to drive all the above. The idea is simple, lets say you have no access to weather conditions but you want to know i...
By: frapedia

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Wed, 23 May 2012 19:01:46 PDT
Toner transfer no-soak, high-quality, double sided PCBs at home http://www.instructables.com/id/Toner-transfer-no-soak-high-quality-double-sided/
Toner transfer no-soak, high-quality, double sided PCBs at home - More DIY How To Projects]]> http://cdn.instructables.com/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SQUARE2.jpg http://cdn.instructables.com/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SQUARE.jpg http://cdn.instructables.com/FDR/6SDQ/H1EMHYF5/FDR6SDQH1EMHYF5.SMALL.jpg dustinandrews Warning: There are hot surfaces, chemicals and possibly ill advised actions like you would expect in many Instructables here. You will also be running tape and un-approved paper through a laser printer. There is a very real danger of messing up your printer. If you do wreck a printer please comment ...
By: dustinandrews

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Wed, 25 Apr 2012 23:11:07 PDT
Converting an Inkjet Printer to Print PCBs http://www.instructables.com/id/Converting-an-Inkjet-Printer-to-Print-PCBs/
Converting an Inkjet Printer to Print PCBs - More DIY How To Projects]]> http://cdn.instructables.com/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SQUARE2.jpg http://cdn.instructables.com/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SQUARE.jpg http://cdn.instructables.com/F35/32ZR/GU59Z17U/F3532ZRGU59Z17U.SMALL.jpg pourcirm SEE STEP 12 FOR NEW RESULTS AND AN ETCHING/PROJECT UPDATE! Recently one of my focuses has been to find a way to make the PCB (Printed Circuit Board) creation process easier. I like being able to design something based on what I want in a circuit and just making it myself on the random weekend. Whil...
By: pourcirm

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Sat, 15 Oct 2011 17:24:10 PDT
A Solderless Printed Circuit Board http://www.instructables.com/id/A-Solderless-Printed-Circuit-Board/
A Solderless Printed Circuit Board - More DIY How To Projects]]> http://cdn.instructables.com/F8L/ALZ2/G825NFMZ/F8LALZ2G825NFMZ.SQUARE2.jpg http://cdn.instructables.com/F8L/ALZ2/G825NFMZ/F8LALZ2G825NFMZ.SQUARE.jpg http://cdn.instructables.com/F8L/ALZ2/G825NFMZ/F8LALZ2G825NFMZ.SMALL.jpg dsauer Suppose there is a fast and easy way to hook up a circuit which is a bit more like a printed circuit board but can be done without solder. Update... The latest and greatest method involves printing out a schematic and gluing to cardboard. Then hot glue all components in place. Then wire wrap up the...
By: dsauer

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Fri, 16 Apr 2010 11:52:05 PDT