8 Channel Dc 5V Dc 230V Relay Shield Module Control Board With Optocoupler, Each

Details:

For raspberry pi dsp ar pic arm ttl logic (5v 8 channels); the 8-channel relay module is equipped with transistors, diodes and optocouplers to switch higher loads safely, reliably and with little power. The module is also equipped with generously dimensioned relays in order to be able to reliably carry out many switching processes