2一way Relay Module Output 2 Channel Switch Input TTL/RS485 Interface Communication Modbus一Rtu

Description

Condition:NewSupply Voltage:otherDissipation Power:otherOperating Temperature:otherModel Number:otherHardware resources:1. RS485 communication interface2. TTL communication interface3. 2 channel optocoupler isolation input4. 2 channel optocoupler isolation output5. A user button6. A user LED indicator7. A power indicator8. A STM32F030F4 microcontroller9. 2 relay status indicator LED lights10. Power terminal interface (12V power supply)Package includes:1 x Modbus一Rtu 2一way RelayUnit Type:piecePackage Weight:0.04kg (0.09lb.)Package Size:8cm x 5cm x 2cm (3.15in x 1.97in x 0.79in)