11:55

Exploring the construction of medical electrodes

10:51

Test screwdriver with microcontroller!

17:57

Testing random meters for accuracy with DIY resistance tester.

9:50

Dangerous Device - Neon Mains Testing Screwdriver

12:57

#84. Pendulum Quartz Clock Teardown

20:24

Plastic consumer unit fire autopsy.

13:27

Fake Samsung charger with interesting circuitry

14:19

Are over-discharged lithium cells safe? (And how to test for damage.)