Projects

Past projects that may be interesting... or not.

Kiwi Disk Launcher Crate 3d Printed Upgrades

Please Note: Clicking on an image will take you to a higher resolution version of the image you clicked on. 2024-05-04: My wife and I bought our children a Kiwi...

Farewell. A Viewsonic VP2468 Monitor Teardown.

Please Note: Clicking on an image will take you to a higher resolution version of the image you clicked on. Perfect for viewing on a high resolution color-calibrated monitor like...

HP Elitedesk 805 G8 Ryzen Locked BIOS

2023-11-18: This story starts on eBay with the need for a new small computer...and ends with an auction listing I won for $300 on a used HP Elitedesk 805 G8...

Phase Perfect PTE 480PTINV_V2.0 IGBT Circuit Board

Phase Perfect PTE 480PTINV_V2.0 IGBT Circuit Board

2023-11-13: Strangely, I haven't seen many phase converters recently and had two of them thrown at me in the last 2 weeks. I decided I should probably try to figure...

Prototrak KMX Dead Battery

Prototrak KMX Dead Battery

2023-07-13: If, in the course of owning a Protrak Knee Mill with the KMX control, you should run into a weird problem where the WDT_fault light is doing a fast...

Random ROMs

2023-06-09: I purchased quite a few 27C256 ROMs over the last while to fix some computer boards. Some came erased. Some didn't. These are the ones that didn't come erased......

Mitsubishi QX141 Exploration

Mitsubishi QX141 Exploration

2023-03-08: I had an opportunity to troubleshoot a Mazak SQT18M Mark II with the Mazatrol T PLUS Control / Mitsubishi Numerical Control System M535LHY a while back... Just stumbled on...

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

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

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...