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TTL to RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

USD 0.41USD 0.64

TTL to RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

Description
Specification
100PCS 78L12 SOT89
USD 3.12USD 3.28
LA78040B LA78040
USD 2.39USD 2.60
5pcs PN7113 SOP-16
USD 8.36USD 9.50
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