[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

[Andrew Lamchenko], who has built a number of small e-ink-based sensors this year, released another design called the eON Indoor Air Quality Sensor. As his previous sensor designs, the eON boasts ...

A team of William & Mary and Malagasy students is working with Conservation International staff and faculty mentors to develop a low-cost water sensor that will advance community monitoring ... The ...