4-Relay SKU:U097 Description 4-Relay unit is an integrated 4-way relay module which can be controlled by I2C protocol. The maximum control voltage of each relay is AC-250V/DC-28V, the rated current is 10A and the instantaneous current can hold up to 16A.
| Pin | Type |
|---|---|
| GND | Ground |
| 5V | Power |
| SDA | I2C |
| SCL | I2C |
| COM1NO1 | Signal |
| COM2NO2 | Signal |
| COM3NO3 | Signal |
| COM4NO4 | Signal |
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