Posted in Arduino Hacks, Musical Hacks Tagged blue pill, optical sensor, optical theremin, stm32, theremin Optical Sensor Keeps Eye On Wandering Saw Blade May 24, 2021 by Tom Nardi 17 Comments ...

Here is a design concept for a cheap single point optical liquid sensor that can detect the presence or absence of certain colored liquids inside a transparent tube. It can be tailored to output a ...

Wanting to experiment with using optical mouse sensors but a bit frustrated with the lack of options, [Tom Wiggins] rolled his own breakout board for the ADNS 3050 optical mouse sensor and in the p… ...

Here is the diagram of my Arduino infrared close proximity sensor. As you can see, ... The infrared emitter and infrared receiver should be mounted side by side as in the case of the active-optical ...