Contains M5Stack ATOM PRINTER firmware;

• 1. connect to AP ATOM_PRINTER-xxxx
• 2. Print data via web page
• 3. Configure WIFI in the pop-up window (or visit 192.168.4.1)

• 5. print data through mqtt server. publish topic is the device mac address.

topic: xx:xx:xx:xx:xx:xx

payload:

TEXT,10,0:Hai

BAR:1234

QR:1234

Document & AT Command