Retrofit temperature display for LaMarzocco Linea Mini espresso machine.
- Temperature calculation based on the idea and code snippets from James Davison at Williamstown Roasters
- His GitHub repository: https://github.com/JimmyRoasts/LaMarzoccoTempSensor
Board: Arduino Pro Mini AT168P 16MHz 5V
Extension modules used:
- INA219, I2C
- SSD1306 OLED dsiplay, SPI
Libraries used:
- Adafruit INA219 by Adafruit - Copyright (c) 2012, Adafruit Industries
- SSD1306Ascii by Bill Greiman - Copyright (c) 2019, Bill Greiman
Arduino Pro Mini pinout connections
I2C bus:
- SCK - pin A5
- SDA - pin A4
INA219 power pins:
- GND - D2
- VCC - D3
OLED on SPI bus:
- CLK - pin D13
- MOSI - pin D11
- CS - pin D10
- D/C - pin D9
Toolchain: VSCode + Platform.IO
Copyright (c) 2019, Robert Klajko