Category: Uncategorized
Lenovo Yoga laptops, especially those from the “900”, “920”, “930”, and “940” series, have a design defect where their power circuitry can self-destruct. The company will not acknowledge…
STMicro’s documentation about the subject is some of the most terse documentation I’ve ever seen in the business! This cheat sheet is a work-in-progress. DM-What? The STM32 microcontroller…
In early 2018, friends and I decided to work on something rather unorthodox from our regular activities –we set out to bring new life into an old steel…
220k resistor from center pin to +19V for fast mode. 1M resistor for ultra slow charging mode.