One of my fondest childhood memories is visiting my grandparent’s house and reading my uncle’s old collection of “Choose Your Own Adventure” books. While I always got... Read more
A Chaser Circuit consists of a clocked IC or other electronic unit like an Arduino that drives an array of LEDs in such a way that individual LEDs (or small groups of LEDs) turn on and off i... Read more
The education and home market is flooded with modular electronics ‘learning’ systems designed to teach kids and adults key STEM and STEAM concepts. Products such as LittleBits or... Read more
There’s a lot of night lamps outside, but they can’t customize to your favorite color. So, this project is to make a night lamp that you can choose your favorite color. Step 1: Step One: Ele... Read more
Students choose different specialties to learn, gain experience, develop skills, and become great experts. One of the possible directions is electronics. It may potentially induce some diffi... Read more
Want to make your arduino circuits online? want to test components with your code before buying? Then this is the right instructable for you. Lets start! Step 1: Open and Sign Up for 123D Ci... Read more
Ultrasonic range finders are fun little modules that measure distance. You can use them to find the distance to an object, or to detect when something is near the sensor like a motion detect... Read more
To measure high levels of direct current for overload detection and protection, designers frequently use either a current-shunt resistor or a toroidal core and Hall-effect magnetic-field sen... Read more
As EDN’s Design Ideas editor, I see a range of design submissions, from good, to not so good. A recent DI I turned down for several reasons included a high-side current sense circuit w... Read more
The 741 op amp is one of the most famous and popular ICs[1] with hundreds of millions sold since its invention in 1968 by famous IC designer Dave Fullagar. In this article, I look at the sil... Read more