Explore how eddy currents can be used to measure the thickness of thin copper and aluminum foils using low-cost sensors, a PC, and a USB sound card. Discover practical DIY techniques and the science behind this non-contact measurement method.| Circuit Cellar
Take advice from a master in electronics about the tools and equipment you need to setup a proper electronics work bench.| Circuit Basics
Learn the basics of DC motors - how they work, and how to control them with PWM, H-bridge motor drivers, and the L293D motor driver.| Circuit Basics
Learn how to build a solar powered battery charger, how to pick the right size solar panel for your project, and how to use solar panels for large applications.| Circuit Basics
Learn about the different types of digital logic and the integrated circuits that allow us to use digital logic in electronics circuits.| Circuit Basics
Datasheets are like an instruction manual on how to use an electrical component, so it's important to know how to read and interpret them.| Circuit Basics
Learn how to build a wireless power transmitter that can charge a device without any charging cables!| Circuit Basics
Learn how analog to digital converters work and how to convert the binary numbers output by an ADC into integer values.| Circuit Basics
An in-depth look at how different types of transistors work on an atomic level.| Circuit Basics
Learn how to increase and decrease DC voltages with this deep dive into boost converters and buck converters.| Circuit Basics
Learn how to use a program called Multisim to simulate the behavior of your prototype electronic circuits!| Circuit Basics