ZY-MAX485/SP485 TTL to RS485 communication module microcontroller level conversion
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TTL to RS485 module, using MAX485/SP485 chip, half-hole gold sinking process, SMT patch package, can also be used for welding pins, braided and packaged for shipment, which is convenient for customers to store and use.Main purpose:1: MCU, ARM and other MCU through the computer's serial port to RS485 communication2. Radio modification, mobile phone brushing, XBOX360 brushing, GPS, car inspection, DVD brushing, hard disk maintenance, set-top box upgrade3: Serial port expansion of the deviceInstructions for use: (Take access to MCU as an example to explain how to connect each pin)VCC: DC 3V-5.5VGND: Connected to GNDTXD: connected to TTL end TXRXD: connected to TTL terminal RXA: connected to RS485 terminal AB: connected to RS485 terminal B


