- 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;
- Bidirectional optical coupler, support trigger relay by high TTL or low.
- 8550 transistor drive relay
- 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)
- VCC connect to 5V
- GND connect to GND
- 1N1-1N8 relay control interface connected MCU’s IO port
- Get the schematic here.