Relay Control Module, Optical coupler Isolated, H/L trigger [Channels]
$13.6
$23.53
Description The module uses the Songle relay for control, AC voltage max at 250V, AC current max at 10A, DC voltage 30V DC current maximum 10A; Bi-directional optical coupler, support trigger relay by high TTL or low. Transistor to drive the relays Operating voltage 5V from MCU IO directly With fixed bolt hole for easy installation On Board power indicator and relay status indicator. Support RF switch module trigger relay remotely for relay-4 and relay-8 (only four relay supported) Connection: VCC connect to 5V GND connect to GND 1N1-1N8 relay control interface connected MCU’s IO port Documentation please see on this page.
