The Relay Shield utilizes four high quality relays and provides NO/NC interfaces that control the load of high current. Which means it could be a nice solution for controlling devices that couldn¡¯t be directly controlled by IIC bus. Standardized shield form factor enables smoothly connection with the Raspberry Pi . The shield also has four dynamic indicators show the on/off state of each relay. Features: - Raspberry Pi compatible - Interface:IIC , Three hardware SW1 (1, 2, 3) select the fixed I2C-bus address - Relay screw terminals - Standardized shield shape and design - LED working status indicators for each relay - COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay - High quality relays - Working status indicators for each relay Specification: - Compatible:Raspberry Pi ; Other main board via jumpers; - Power supply:4.75~5.5V ; - Max Switching Voltage:30VDC/250VAC; - Max Switching Current:15A ; - Frequency:1Hz;
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