1-10PCS Modbus RTU DC7-24V 4 Channel Relay Control Switch RS485/TTL UART Module
ab 9,83 €
Elsay four-way Modbus relay module is equipped with mature and stable 8-bit MCU and RS485 level communication chip. Modbus RTU four-way relay module RS485/TTL UART. 2, Communication protocol: support standard Modbus RTU protocol;.
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