Rechargeable torch with dangerous charger (with schematics)
![](https://i.ytimg.com/vi/cvXWr8FV51s/mqdefault.jpg)
22:01
My high voltage pink ring has malfunctioned (schematic and hack)
![](https://i.ytimg.com/vi/EcLbjFXeFdo/mqdefault.jpg)
12:25
Rechargeable studio fill-light
![](https://i.ytimg.com/vi/xdAxWei_v3Y/mqdefault.jpg)
39:08
LED torch with a DANGEROUS charger
![](https://i.ytimg.com/vi/CZ3y1JFeXTw/mqdefault.jpg)
8:53
¡Ya no tengo que preocuparme por los cortes de energía! ¡Gran idea de tubería de PVC!
![](https://i.ytimg.com/vi/McXkzYsules/mqdefault.jpg)
19:04
Making my PSU cables literally 20 times better (0.6 to 0.03ohms)
![](https://i.ytimg.com/vi/W8VpNJs6ek0/mqdefault.jpg)
30:00
Using salvaged lithium cells to power LEDs directly. (with protection test)
![](https://i.ytimg.com/vi/GwHy-YfopL0/mqdefault.jpg)
16:17
Random high voltage eBay "thing"
![](https://i.ytimg.com/vi/tIaHg6M_y7w/mqdefault.jpg)
32:57