hacked it in with an Arduino. The video does a wonderful job going into the details, but essentially by using an oxygen sensor with finer resolution (wide-band) and then outputting the appropriate ...

The good news is that with an Arduino, you can build a robot that handles it for you. This one is a little more complicated than just connecting sensors, but still very easy for the average person to ...

With a suitable sensor in hand, the project really boils down to building up an interface and enclosure for it. [Eunjae] is using an Arduino Nano, a 128×64 OLED screen, and a battery inside of a ...