Arguino print text answer from webserver.
- SIM800L module;
- Seeeduino GPRS Library for interactions with SIM800;
- Thermal printer
- Adafruit_Thermal for interactions with printer;
SIM800:
#define SIM800_TX_PIN 4
#define SIM800_RX_PIN 3
#define SIM800_POWER_PIN 9
#define SIM800_POWER_STATUS 2
Printer:
SoftwareSerial printerSerial(7, 6); // RX, TX
Adafruit_Thermal printer(&printerSerial, 5);
Change init baudrate in Seeeduino GPRS Library for minimal (e.g. 300) value!
- Smart delay;
- Functions to handle fatal error;
- Power switch;
- Error led;
- Soldering;
- Case;