M18_REV05_JUN_26_2015 Reverse Engineering
2023-03-08: I'm trying to work on a different version of the M18 Battery Controller board. This particular battery is a Milwaukee 5INR19-65 with serial number #G29KDCAC 170807 0323201. Here is...
Znter C Battery Teardown
We cracked open a Znter USB-C rechargeable "C" lipo battery just to see what is inside. A simple protection circuit board handles charging via a lithium-ion protection IC, paired with...
Milwaukee 860323004 Rapid Charger Teardown
2023-02-04: While continuing the reverse engineering of the Milwaukee M18 batteries, It quickly became apparent that I needed to work on some accessories that go with it. While I have...
Westek 6503 vs 6503h Touch Dimmers
2022-12-03: Curiosity is always good. At least that's what I've been told. Course in this case it was more ignorance and a simple question: 'What is the difference between the...
SAMUSCO ECS224L Electronic Centrifugal Switch Reverse Engineering
A quick teardown of the SAMUSCO ECS224L Electronic Centrifugal Switch with a wiring diagram and schematic.
Sinpac CV50-165 Reverse Engineering
2022-11-09 (with much destructive work on this one done around 11/2022): This here unit is a Stearns SINPAC CV50-165, which had some issues. I think I made it worse, although...
Sinpac cv25-165 Reverse Engineering
2022-11-02 (or thereabouts) the saga of the un-obtainium Sinpacs continues in this teardown and reverse engineering of the next Sinpac; a CV25-165 of more recent origins; This is also one...
Sinpac cv40-165 Reverse Engineering
2022-11-01 (or thereabouts) It happens from time to time that a man becomes obsessed with a project and can't seem to stop wasting time on it. This is one of...
DisplayPort to HDMI Cable Failures
Defective HDMI cables caused issues with lost video signals for months due to poor soldering of the wire ends. Opening them up and resoldering the connections makes a surprisingly easy...
Henry Xtra, conversion to 120VAC
2022-06-26: So you managed to find a great deal on a Henry Xtra Vacuum. But when it arrived [in the USA], it had this strange plug on it. And the...