Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these simple circuits.
November 14, 2016 by Raymond Genovese
In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.
October 20, 2016 by Jeremy Lee
In part 2 of the LED saber project, we'll assemble the power and audio systems.
October 19, 2016 by Jeremy Lee
Learn about the basics, signal conditioning, digital output, and hardware specs of passive infrared sensors.
July 15, 2016 by Sylvain Colliard-Piraud, STMicroelectronics
Once a luxury item, they are now commonplace. Wireless mice are pretty popular, but what's in them?
June 14, 2016 by Alex Udanis
Gather data via USB from a BH1745NUC optical sensor and then display color characteristics and illuminance values.
January 28, 2016 by Robert Keim
Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.
January 23, 2016 by Robert Keim
Display colors by precisely controlling the intensity of red, green, and blue LEDs.
January 22, 2016 by Robert Keim
Learn how to translate the output of a photosensor into an illuminance measurement.
January 13, 2016 by Robert Keim
Part 5 in the “How to Make an Ambient Light Monitor” series.
September 01, 2015 by Robert Keim
Monitoring the output of a light-dependent resistor, or photoresistor, allows the Arduino to know how light or dark it is. When the light falls below a certain level, the Arduino turns on a couple of LEDs.
June 01, 2015 by Tim Youngblood
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