Stable UART Serial Port to RS485 Converter Function Module RS485 to TTL Module
1,03 €
(5) Has RXD, TXD signal indicator light, monitor send and receive status. (4) Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. (4) Support multi-machine communication, allowing access at up to 128 devices on the bus.
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