LED tester and comparison device
13:49
Air "freshener" hack gone wrong
18:42
Testing the world's biggest LED
15:43
Double-death gay Dalek camping light. (Fatal shock risk.)
30:00
Using salvaged lithium cells to power LEDs directly. (with protection test)
26:58
Simplest solar light possible, using old phone battery.
17:02
Crushing and hacking LED lamps
23:12
How to use your trashy meter without blowing it up (much)
16:05