DIY RGB LED strip driver that can be connected to a smart home (HomeKit) using Raspberry Pi and Arduino. This is a complete DIY guide going through all steps on how to build your own RGB LED Strip ...

driver has no ground connector, and ground not shown in diagram. the driver case is fully isolated. where should the ground wire in the cable go? put in a connector like this and leave it out? thanks.

This simple circuit can be used as an LED emergency light, a power bank for charging mobile phones, and as on-the-go (OTG) USB DC fan driver. The power bank with 12Ah can deliver 2A current for ...