New proof of concept ideas, projects, inventions

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Subject / Started by	Replies / Views	Last post
Potential Arduino project – rechargeable battery tester – comments requested Started by AB1BE	5 Replies 5471 Views	January 25, 2013, 01:10:01 PM by AB1BE
Battery to battery charging. Started by PhildOwen	8 Replies 5246 Views	April 25, 2013, 05:36:07 PM by PhildOwen
Wind vane position measurement Started by PhildOwen	5 Replies 5149 Views	October 16, 2013, 04:13:42 PM by PhildOwen
Homemade esr meter! Started by Adrian	3 Replies 5018 Views	July 30, 2013, 12:57:30 PM by MJLorton
very simple power supply :) 1.25-18vdc 1.5A Started by taiga	5 Replies 5011 Views	May 08, 2014, 01:41:51 PM by taiga
miniLOG - a Precision Standalone Voltage Logger Started by fenclu	6 Replies 4615 Views	March 07, 2014, 12:16:45 PM by MJLorton
Keboard building. Started by SeanB	4 Replies 3568 Views	May 20, 2014, 01:44:21 PM by SeanB
How I homebrewed a test/programming adapter for PIC10F200 (SOT23-6) Started by runem	1 Replies 3542 Views	March 07, 2014, 04:26:58 PM by SeanB
A fun to build, but not very useful, kHz counter. Started by runem	2 Replies 3520 Views	May 10, 2012, 04:39:43 PM by runem
DMMCheck Plus storage box - ESD concerns Started by Alexei Volkoff	4 Replies 3518 Views	September 05, 2013, 08:23:13 AM by MJLorton
120A Solar BMS charger LiFePO4,Li-ion OffGrid,RV with WiFi Started by MJLorton	0 Replies 3447 Views	February 24, 2015, 12:17:58 PM by MJLorton
College project Emergency Lighting Started by keepcalmandcarryon	3 Replies 3419 Views	October 23, 2016, 11:55:43 PM by TheNewLab
The Portable Dog Killer.... Started by MJLorton	1 Replies 3411 Views	December 17, 2012, 05:22:53 AM by SeanB
Testing/calibrating a 4-axis stepper motor drive system Started by gr8dane	2 Replies 3390 Views	September 28, 2013, 08:16:06 PM by gr8dane
Bio electricity of the human body Started by bruno707	3 Replies 3379 Views	October 23, 2016, 11:46:46 PM by TheNewLab
Daylight lighting Started by steve30	3 Replies 3271 Views	August 16, 2013, 11:13:20 AM by steve30
GW Instek USB license software database & reverse eng. Started by JuanPC	0 Replies 3220 Views	November 12, 2013, 01:27:23 AM by JuanPC
[Completed Project/Video] 9v battery using boost regulators, supercapacitors Started by mariush	3 Replies 3215 Views	September 06, 2013, 06:58:53 AM by Mr Eastwood
Car ECU Project Started by Mr Eastwood	0 Replies 3180 Views	January 02, 2016, 07:17:24 AM by Mr Eastwood
Looking for electrical engineer who is well versed with sensors Started by OuterBoxThinker	0 Replies 3091 Views	July 10, 2014, 08:14:02 PM by OuterBoxThinker

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