electrical-engineering

Jul 12 2022

Blink Mini RE, Part 2 -- Desoldering and dumping the ROM

astrid.tech

This is a continuation from the post where I disassembled the lil guy. Last time, I couldn’t do anything about this chip because I was waiting for my SPI flash programmer kit to arrive. On Saturday, though, it arrived! Trying to use the programmer kit on Saturday The programmer kit came with a...

ghidra project:blink-mini-re electrical-engineering soldering incompetency

Mar 26 2021

My speaker is broken, what do?

astrid.tech

I have these Z506 speakers that I got for cheap on eBay a couple years ago. They worked pretty well until one day, the audio was extremely loud and the potentiometer was not able to turn the sound down, so I had to either run my audio at 4% or not at all. That’s not good. Let’s fix that! Wild...

electrical-engineering