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 ...

A high precision low power junction temperature sensor that has been developed to be easily embedded into digital ASIC designs. The block features an exclusively digital interface and includes a power ...

There is no official support, but there are wiring guides and sources aplenty from which to purchase the various optional parts. It runs on an Arduino ... water level sensor, flow meter, OLED ...