An innocent TO-220 regulator gets tortured using a mystery device from the bunker. The art of environmental PCB testing. 00:00 – What is this thing? 01:00 – I used to use these all the time 02:40 – Electrodynamic Shaker 03:56 – How PCB’s are vibration tested 07:00 – Teardown 08:10 – Accelerometers 12:27 – The ...