Build a solar sequencer that enables a single solar panel to charge multiple batteries of different sizes and capacities, keeping them isolated from each other.
This versatile display lets you have your pi and see it too! With 15 available digits, you can also use it to create your own desktop National Debt clock.
Get to the business of making music instead of messing with cords with this extremely useful and simple device. Makes a great beginner’s project too!
With Microchip’s PIC32MX2/MX1 chip and the new MPLAB X IDE and free PIC32-bit C compiler, you can easily transition your 16-bit Experimenter to 32-bit processing.
by Jeff Eckert
Events, Advances, and News
Read about the world’s largest digital camera, gigabit Wi-Fi, digital drinking, and the death of an industry pioneer ... plus some other interesting stuff.
The Spin Zone
by Jon Williams
While many are uncomfortable with the fast pace of technology, for hobbyists like you and me the speed at which things change means that more interesting components become available for us to experiment with.
by L. Paul Verhage
A New BalloonSat Airframe Design
I had a chance to fly my new BalloonSat on April 22, 2012. The launch took place at the Physics department of Ft. Hays State University (thanks Dr. Adams and Dr. Maseburg).
Fundamentals For Beginners
Build a Screaming Box
Use this simple light detector circuit to make a Screaming Box to use as a gag or to catch late-night snackers in the act!