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TTL Turn To RS485 Module 485 To Serial UART Level Mutual Conversion Hardware Automatic Flow Control Power Supply Module 3.3V 5V

USD 0.55

TTL Turn To RS485 Module 485 To Serial UART Level Mutual Conversion Hardware Automatic Flow Control Power Supply Module 3.3V 5V

Description
Specification
100PCS 78L12 SOT89
USD 3.12USD 3.28
LA78040B LA78040
USD 2.39USD 2.60
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