Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle
MOS power IC full range
Photocoupler
Schematic diagram of inverter switching power supply circuit for AC 380V power supply
USB C Hub
Usb C Hub,4 Ports 3.0 Type C Hub,Adapter For Macbook Hub,Slim External 4 Port Usb3.0 Hubs
Shenzhen Guan Chen Electronics Co., Ltd. , https://www.gcneotech.com