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10PCS TTL turn RS485 module 485 to serial UART level mutual conversion hardware automatic flow control D49 TTL TO RS485

USD 7.97USD 9.96

10PCS TTL turn RS485 module 485 to serial UART level mutual conversion hardware automatic flow control D49 TTL TO RS485

Description
Specification
AO447 AO4407A 4407 SOP8
USD 2.32USD 2.50
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