RS232 SP3232 TTL to RS232 module RS232 rotor ttl flashing line serial port module Shen Jin board

Connection description:

Note: TTL and RS232 must be connected to RXD RXD to connect TXD cross -matching

TTL (UART) end:

VCC: connecting DC 3V-5.5V

GND: connected GND

TXD: connected to the outer device TTL RXD

RXD: connected to the outer device TTL end TXD

RS232:

RXD: connected to the outer device RS232 end TXD

TXD: connected to the outer device RS232 end RXD

GND: connected GND

Product Attributes
Brand	Shenzhen Songhe E -commerce Bank

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