[Fearless Night]’s optical theremin project takes advantage ... instrument with software that can be modified using the Arduino IDE to take it places the original Theremin design could never ...

Here is a design concept for a cheap single point optical liquid sensor that can detect the presence or absence ... a logic-level alert signal in either a filled or empty state. An Arduino Uno ...

Wanting to experiment with using optical ... t find the sensor bracket anywhere, so he designed his own. The github repository contains all the design files as well as Arduino libraries.

LONDON--(BUSINESS WIRE)--The global optical position sensor is expected to grow at a CAGR of over 10% during the period 2018-2022, according to a new market research study by Technavio.