Smart Home Automation Forum
can I connect A8S to Touchscreen by TTL Serial connection - Printable Version

+- Smart Home Automation Forum (https://www.kincony.com/forum)
+-- Forum: Technical Support (https://www.kincony.com/forum/forumdisplay.php?fid=1)
+--- Forum: KC868-A series and Uair Smart Controller (https://www.kincony.com/forum/forumdisplay.php?fid=6)
+--- Thread: can I connect A8S to Touchscreen by TTL Serial connection (/showthread.php?tid=3102)



can I connect A8S to Touchscreen by TTL Serial connection - Ksirirux - 07-24-2023

How can I connect A8s to Touchscreen pass TTL Serial ? 
Please suggest....


RE: can I connect A8S to Touchscreen by TTL Serial connection - admin - 07-24-2023

A8S no free gpio for use serial port, unless you can use RS485->serial TTL converter module.


RE: can I connect A8S to Touchscreen by TTL Serial connection - Ksirirux - 07-24-2023

(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?


RE: can I connect A8S to Touchscreen by TTL Serial connection - admin - 07-24-2023

sure, but the level is 3.3v, your LCD maybe need 5v TTL level, you can try to test.