Connection description:
Note: TTL and RS232 terminals should connect TXD with RXD and RXD with TXD for cross matching and docking
TTL (UART) side:
VCC: connect dc 3v-5.5v
GND: connect to GND
TXD: connect external device TTL terminal RXD
RXD: connect to external device TTL terminal TXD
RS232 port:
RXD: connect to external device RS232 terminal TXD
TXD: connect external device RS232 terminal RXD
GND: connect to GND
This product was added to our catalog on Tuesday 24 August, 2021.
