In the code we use function read_temp() that returns an integer, in our case the temperature. Inside the function we start the transmission by using function beginTransmission() from the Wire object ...

According to Microchip Technology Inc.’s datasheet, MCP9808 digital temperature sensor chip converts temperatures between -20°C and +100°C to a digital word with ±0.25°C/±0.5°C (typical/maximum) ... / ...

– The MCP9800 temperature sensor is used for cold junction compensation. – The MCP3424 analog-to-digital converter measures the voltage produced by each thermocouple. – The DS3231 real time ...