Environmental monitoring sensors help us to better measure the world around us. This article will help you understand why the amount of UV light reaching you changes over time and how to measure it over I²C using the Si1145.
August 03, 2016 by Mark Hughes
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