Inside a rather good USB rechargeable head-lamp from eBay.
19:31
9 LED headlight Elfeland teardown.
16:10
Inside a solar/mains rechargeable fan / work light. (with schematic)
10:45
How to Make Amplifier TDA7375 - TDA7377 - TDA7379 Any of these ICs will work for this PCB
15:41
Sony's proto-Walkman that went to the moon*
15:18
55secrets etastuces ingénieux que vous utiliserez tous les jours et quifonctionnent extrêmement bien
20:04
Teardown of a "27W" ultraviolet blacklight bar from eBay.
21:54
Test du kit lampe de poche d'angle/lampe frontale TUNGENGE T21 ! (1 400 lumens, LED Luminleds, ca...
25:06