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8ch Input/output Digital Switch Ttl Lvttl Cmos Rs485 Io Control Module Modbus Rtu Board For Plc Relay, (with Terminal) | Fruugo NO
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Modbus-Rtu 2-Way Relay Module Output 2 Channel Switch Input TTL/RS485 Interface Communication Control Switch High-Performance : Amazon.com.tr: Elektronik
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SPDT, Electromechanical Relay Latching Switch, DC to 43 GHz, 12VDC, 5W, Indicators, TTL, Diodes, Self Cut-
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2Pcs pl2303 usb to rs232 ttl converter adapter module/usb ttl converter uart module ch340g ch340 module 3.3v 5v switch | Fruugo TR
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