ref: 2020   This post it's a follow up of the August 8th 2019 one about the Ruby Amp. As I already write in that post, the Ruby Amp i...

D08 "Kenshiro" bass guitar amplifier is my latest amplifier. It's built on top of the reliable TDA2050 audio amplifier chip....

On a previous post I've post a repair on a  MacBook Pro A1278  video output. Find it here:  https://davidegironi.blogspot.com/2025/02/ma...

A colleague of mine recently handed me their EarthQuaker Devices Blumes , asking if I could take a look. He told me the issue is a “noisy ou...

ref: 2017 InEquilibrio01 is a compact self-balancing robot that maintains its upright position using a PID control loop . It is built arou...