How can I connect A8s to Touchscreen pass TTL Serial ?
Please suggest....
A8S no free gpio for use serial port, unless you can use RS485->serial TTL converter module.
(07-24-2023, 02:59 AM)admin Wrote: [ -> ]A8S no free gpio for use serial port, unless you can use RS485->serial TTL converter modu
May I use tx rx for gsm module to connect is it possible?
sure, but the level is 3.3v, your LCD maybe need 5v TTL level, you can try to test.