Servo amplifier PCB replacement

DIY Dell Dimension 3000 heatsink fan

PSU case PCB mounts

I made 3 ugly screw mounts on a PSU case using dremel, a drill and a few hardware.

Solving a few power supply cold cases

fixing a phone charger that went out regulation, LED driver that cause flickering, fixing a blown PSU, recapping a fruity wall wart.

Optocouplers

Basics, gotchas and how to make them go faster!

STM8 - Generating 2 phase PWM

How it can be generated on the STM8S003 using TIM1.  (Not covered in the reference manual.)