This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno clones, has within it a watchdog timer that clicks over at a rate of ...

The display screen shows the maximum temperature on the top left, the minimum temperature on the top right, and the current temperature on the next line underneath. The Code /* Handheld Digital ...

Code particulars are a little beyond the scope of this article. In a nutshell, the Arduino reads the photocell and temperature sensor values and converts them into a data stream, one line of data per ...