Salvage

Failed repair of a salvaged MikroTik RouterBOARD 750GL.

I repaired a pair of salvaged speakers.

Testing a PAM8403 Class-D amplifier module with a pair of salvaged speaker drivers

Salvaging 18650 li-ion cells from dead battery pack of a laptop.

My previous post about the Mystery Transformers wrongly assumed which ones were the primary and secondary windings.

I bought two used transformers. They were broken.