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Designing a Programmable DC-to-DC Converter
Design your own programmable DC-DC power supply.
Updating a General-purpose Programming System
It was clearly time for an update to my LP120 that I originally built 20 years ago.
Build the Garage Door Closer
Leave your garage door open? No problem! This handy device will close it automatically for you. (Plus, you don't even have to remember to replace batteries in this unit.)
Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration
Analog Waves from Digital Signals, DIY Electric Scooter, The Solar Alternative, Driving LEDs with a Microcontroller
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!