BEVRLINK 4 Channel Relay with 4 manual test buttons 5V BEVRLINK_cables this is called wetting current

this is called wetting current in the industry

3A available for manager(raspberry pi) + additional modules

Note that the manager board are compatible with more bords like the Asus tinker board and Rock 4SE that use Raspberry Pi 3B form factors but they are not compatible with the case that uses Raspberry Pi 4B form factor

The BEVRLink module provides power to the Manager board and the single-board computer

no extra cables are needed for the single-board computer

BEVRLINK 4 Channel Relay with 4 manual test buttons 5V BEVRLINK_cables this is called wetting currentOverview The BEVRLink relay module is a user friendly solution suitable for users of all levels of experience. With clear documentation and easy setup, this module is perfect for beginners. It features 4 relay channels and 4 voltage free input channels, each equipped with a button for convenient testing. The inputs can be connected without external power, and the module can send interrupts to a manager (e. g., Raspberry Pi) on input change. The