This article will briefly discuss isolation in the process control analog input module and the traditional approaches to achieving this. It then outlines an alternative high density, easy to design channel-to-channel isolation analog input module architecture.
March 14, 2017 by Van Yang, Analog Devices
In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.
December 11, 2015 by Don Wilcher