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Amazon.com: Max485 Chip RS-485 Module TTL to RS-485 Module Raspberry Pi Pack of 5 : Electronics
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Amazon.com: Max485 Chip RS-485 Module TTL to RS-485 Module Raspberry Pi Pack of 5 : Electronics
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Songhe TTL to RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module TTL Turn to RS485 Module 3.3V-5.5V (5pcs)
Amazon.com: Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage : Electronics
