High Quality 8CH DS18B20 Temperature Acquisition Module RS485 Modbus RTU...

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Universal 2-channel Rolling/Fixed Code 12–24 Vac/dc Receiver. N/O – N/C, Frequency of 433.92 MHz

Access Control Board Panel Controller - Uoweky L01-04 - 4 Doors - TCP/IP - 20000 Users

DTECH RS232C To RS485 RS422 Converter Adapter Portpower Serial Port Power Supply Converter Data Converter TVS RS-232 RS-485/RS-422 Built-in

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Speed Regulator - Dewin - Conn873 - Bldc - Compact - Multi-functions

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6A Relay with Full for 4 Circuits WR34619 2-wire T/U Single-cut