The sensor has to be submerged in the water for this to work properly. Arduino ... the pH level of a water source can give you a range of information about the liquid. Its oxygen content, hardness ...

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 ...

Because of the affordability and seeming ubiquity of the Arduino platform, they have been hard at work this last month trying to get their Geiger counter sensor board for an Arduino out the door.

Catalytic bead LEL sensors need a certain level of oxygen to correctly read combustible gas up to 100% LEL. The catalytic bead lower explosive limit (CB LEL) sensor is widely used for combustible ...