Cordless soldering iron teardown (with schematic)
![](https://i.ytimg.com/vi/JC29AduaJ0c/mqdefault.jpg)
15:27
Testing a USB water steriliser
![](https://i.ytimg.com/vi/lQ91gktACXw/mqdefault.jpg)
10:57
Testing AliExpress "mystery solder"
![](https://i.ytimg.com/vi/Q23uh7AjjXw/mqdefault.jpg)
25:46
Using LEDs as mains indicator lights on 120V and 230V (live demos)
![](https://i.ytimg.com/vi/O5celokRxHo/mqdefault.jpg)
8:03
Incrível!!! Coloque sal no seu ferro de solda elétrico e admire os resultados
![](https://i.ytimg.com/vi/o_S1d0AYW1s/mqdefault.jpg)
26:09
Testo os Novos SUPER LASERS... Eles vão revolucionar a indústria de máquinas!
![](https://i.ytimg.com/vi/-7pbjI2wQXY/mqdefault.jpg)
16:11
USB to LED string PCB prototype build
![](https://i.ytimg.com/vi/YO_cYhV6eIM/mqdefault.jpg)
18:39
Building a 1.4kW Induction Heater
![](https://i.ytimg.com/vi/sxeRCpg9mfc/mqdefault.jpg)
14:23