Here are some reviews, picture galleries, articles about something or stuff that just don't fit anywhere else.
Pages that link back to the old site are marked with a "**".
Repairs / Modifications:
USB LED Bulb Mod Modified a cheap LED bulb for better efficiency 30 Jul 2017 Helix DSP Repair Quick remote out fix and a look at the inside of this processor. 15 Jan 2017 CRSNB Inverter Repair Teardown and repair of a very small pure sine wave inverter. 30 Aug 2016 Hakko FR-300 Teardown and Mod Teardown and power indicator mod for this nice desoldering gun. 19 Apr 2016 Wattmeter Clamp Mod Modifying a cheap RC wattmeter for DC clamp current measurement 26 Nov 2015 Cheap Digital Tachometer Teardown and Mod A look inside and modding a DT-6236C tachometer 01 Oct 2015 Genesis Profile teardown and repair Quick repair and a look inside a Genesis Profile car amp 01 Oct 2015 Craftsman 82369 Multimeter Mod Modified a brand new multimeter because it failed. 19 Mar 2015 Cheap HID ballast teardown A view inside a cheap HID ballast. 09 Aug 2016 Audiowave Aspire Pro repair I had another rare opportunity to work on a very very expensive piece of audio gear. 13 Apr 2014 McIntosh MX5000 repair & restore I had the rare opportunity to work on this rare and expensive piece of audio gear. 26 Aug 2013 "MPPT" Solar charge controllers See what's inside these cheap charge controllers and a voltage calibration mod. 09 Aug 2014 Schiit Asgard mod This is one dangerous Schiit. 23 Feb 2013 Alpine H701 mod H701 upgrade for a customer 19 Aug 2012 Schiit Bifrost mod basic mod I did to my Schiit Bifrost 01 Mar 2013 Behringer DCX2496 mod basic mod I did to my DCX2496 22 July 2012 Inside an Alpine CDA 9886 A look inside an Alpine CDA 9886 headunit and Burr Brown op amp upgrade 05 Mar 2012 Hakko FX-888 Mod Change that annoying blinking LED into something more practical. 11 Feb 2012 Blueprint Custom Audio Custom works and modifications I did for a local car audio install shop 11 Jan 2011
Reviews / Teardowns:
LiitoKala Engineer Lii-500 A look inside my LiitoKala charger. 07 Mar 2017 Cheap 6 inch LED bar See how it is built and has "Cree" LEDs. 24 May 2017 Interesting T10 LEDs Looking at T10 LEDs I stumbled upon using remote phosphor technology. 15 Jan 2017 Really Cheap Powerbanks Look at what you get (and you don't get) what you pay for. 24 Dec 2016 Cheap Mini Inverter test A very small and cheap inverter. See what it could/couldn't do. 22 Nov 2016 Infinitum Desulfator Review A commercial desulfator. Does it do what they say it does? 16 Jun 2017 Powerstar W7 Inverter/Charger Teardown UPS/inverter/charger unit for teardown. 23 Feb 2017 Thrunite Neutron2C V2 Teardown Well designed light but, unfortunately, not water resistant. (Added Archer 2A V3 + repair) 19 Jan 2017 Fake ICL7660 Buyer beware 06 Mar 2016 Matek USB meter Teardown Teardown and repair of this cheap USB power monitor 24 Dec 2015 PortaPow USB meter Teardown Looking inside a Portapow USB power meter and a quick mod. 29 May 2017 Solar Powerbank Teardown Tearing apart a solar power bank that worked only once. 29 Nov 2015 PV module Snail Trail Testing Pictures, thermographs and current measurements of PV modules that had developed snail trails. 27 Nov 2015 Magic LED bulb Teardown of an LED bulb that still lights up even when the power is out. 13 Nov 2015 Fake Cellphone Battery teardown You are definitely not getting what you paid for. 07 Nov 2015 Cheap Flashlight / Tazer combo teardown Lights and sparks! 25 Oct 2015 Turnigy MAX80W Teardown Taking apart a brand new hobby charger and slightly modding it. 19 Jun 2016 ETCR007AD Teardown Taking apart a cheap hall effect current transducer probe. 09 Jan 2016 Fangpusun Inverter Teardown A look inside this brand of inverters. 16 Apr 2016 Fangpusun Charge Controller Teardown A look inside this brand of charge controllers. 30 Aug 2016 Sunway "MPPT" Charge Controller Teardown Supposedly an MPPT controller but is otherwise. 28 Aug 2015 Cheap relay and socket Teardown Comparing known genuine and immitation relays and sockets. 26 Aug 2015 Gaia Grid Tie Inverter Teardown Teardown of a 500W grid tie inverter. 10 Jan 2016 TBF Inverter Teardown Teardown and testing of cheap pure sine inverters. 11 May 2015 Suoer Inverter Teardown Teardown and testing of a pure sine inverter. 07 Feb 2015 TBE Inverter Teardown Teardown and testing of cheap modified sine and pure sine inverters. 16 Dec 2014 Suoer SON-20A charger review/teardown Teardown and testing this cheap "automatic" charger. 18 Jul 2017 EPsolar charge controller teardown A look inside this brand of mid cost solar charge controllers. 07 Oct 2015 Suoer charge controller teardowns A look inside this brand of low cost solar charge controllers. 08 Nov 2014 Ametek 50V Motor teardown Looking inside a surplus tape drive motor 13 Sept 2014 Nitecore i4 and i2 charger teardown See what's inside these budget smart chargers 20 Jun 2013 Celestra RA475x Review Pictures and comments on Celestra RA475x amplifier guts 17 Dec 2011 Super Low Cost Car Stereos Opened a couple of super cheap car stereos - see what you're getting 29 Dec 2015 Dominations Futura Tweeter Teardown of this widerange "tweeter". 21 Feb 2011 Parts Express $10 AMP Review of a $10 sub amp from Parts express 11 Feb 2011
Manual Pick n Place Assembly What I use to assemble circuit boards with surface mount parts 21 Aug 2013 My Lasers Laser pointers, Lab modules and Laser Power Meters 24 Mar 2013 Multilayer PCB's Cross section pictures of 4- and 6-layer PCB's 04 Oct 2011 The Workshop Where all the magic happens 11 Jan 2014 My Daily Driver A page showing things I have done to my daily driver 25 Jul 2017 The Hobby ** Pictures of my old home stereo systems and DIY amps 25 Jan 2011 DIY Amplifiers Pt1 ** Pictures of my old DIY home amps 2004 DIY Amplifiers Pt2 ** Pictures of my last home DIY amp and my first car amp 2004
Page created and copyright R.Quan © 2004.