M5Stack Atom Printer firmware
- 1.connect to AP
ATOM_PRINTER-xxxx
- 2.Print data via web page (visit 192.168.4.1)
- 3.Configure Wi-Fi in the web page
- 4.print data through mqtt server. publish topic is the device mac address.
topic: xx:xx:xx:xx:xx:xx
- 5.mqtt payload
TEXT,10,1:Hai
BAR:1234
QR:1234