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
Learn about resistance temperature detector (RTD) signal conditioning techniques such as voltage vs. current excitation and the three-wire configuration for dealing with the lead and wire resistance error.
November 11, 2022 by Dr. Steve Arar