Relay Module
Class
Class：
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Modbus RTU Single Relay Module RS485/TTL 1 I/O Pluggable Ter -
Modbus RTU Dual Relay Module RS485/TTL 2 in 2 out pluggable -
Modbus RTU Quad Relay Module RS485/TTL 4 in 4 out pluggable -
Bluetooth proximity switch single-way relay module automati -
5/7-80V Tuya 2 Way WiFi Bluetooth Relay Module App Remote Co -
AC90-250V ESP32 WiFi Bluetooth BLE 1 Way Relay Module