Thanks, don't know why I didn't try that. Dropped back to 9600 baud and it is now much more reliable. Ultimately I'll be using an ESP32, but for now 9600 will do.
Thanks, don't know why I didn't try that. Dropped back to 9600 baud and it is now much more reliable. Ultimately I'll be using an ESP32, but for now 9600 will do.