In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a modern, colorful output while also examining the circuit's operation.
September 17, 2023 by Don Wilcher
Ultra-thin, flexible, and low-power displays support wireless, IoT, and energy-harvesting applications that continue to bring intelligence to more products. This article examines two of the most popular low-power reflective display technologies—electrochromic and electrophoretic.
July 02, 2023 by Dale Wilson
The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.
July 09, 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