Since photoelectric sensing can be achieved with electrical, electromechanical, and electronic components, learn to build, test, and implement a prototype photoelectric switch using off-the-shelf components with Arduino OpenPLC.
March 12, 2023 by Don Wilcher
This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.
September 12, 2018 by Mark Hughes
In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software environment, and demonstrate connecting the device to the MQTT messaging service.
April 12, 2018 by Mark Hughes
Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.
January 17, 2017 by Charles R. Hampton