This isn’t about connecting a temperature sensor in your Arduino. This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno ...

As might be expected, there’s also an analog front end — MAX6675 — for ... adafruit/MAX6675-library /* * MAX6675 K-Type Thermocouple Sensor Module * Basic Temperature Readout Test with Arduino Uno R3 ...

is applied to D2 input of the Arduino. Analog output (marked as AO) from the module is not used here. Sensor-head of the module contains two probes in a small metal pcb. When the sensor-head is ...