A Pi Pico Oscilloscope
At the budget end of the oscilloscope range lie the so-called pocket ‘scopes. About the size of a deck of cards, they combine a microcontroller and an LCD screen to …read more Continue reading A Pi Pico Oscilloscope
Collaborate Disseminate
At the budget end of the oscilloscope range lie the so-called pocket ‘scopes. About the size of a deck of cards, they combine a microcontroller and an LCD screen to …read more Continue reading A Pi Pico Oscilloscope
An Analogue to Digital Converter (ADC) is at its core a straight-forward device: by measuring an analog voltage within a set range and converting the measured level to a digital …read more Continue reading Bare-Metal STM32: Adding An Analog Touch With ADCs
In any era, the story of electronics has very much been about figuring out how to make something happen with what’s available at the time. And as is often the …read more Continue reading Retrotechtacular: The Forgotten Vacuum Tube A/D Converters of 1965
The Raspberry Pi, although first intended as an inexpensive single-board computer for use in education, is now ubiquitous in electronics communities. Its low price as well as Linux platform and …read more Continue reading Processing Audio With the RP2040
You might not think that it would be possible to have a favorite optimization algorithm, but I do. And if you’re well-versed in the mathematical art of hill climbing, you …read more Continue reading Our Favorite Things: Binary Search
Necessity might be the mother of all invention, but we often find that inventions around here are just as often driven by expensive off-the-shelf parts and a lack of willingness …read more Continue reading Pressure Gauge Built In A Vacuum
When it comes to getting signals from an analog world into our computers, most of us don’t give much thought to how the hardware that does the job works. But …read more Continue reading Homebrew Circuit Explores the Mysteries of Analog-to-Digital Conversion
Sometimes you just get lucky. I had a project on my list for a long time, and it was one that I had been putting off for a few months …read more Continue reading Finding the Right Hack is Half the Battle
[Markomo] didn’t find much useful information about the Raspberry Pi PIco’s analog to digital converter, so he decided to do some tests to characterize it. Lucky for us, he documented …read more Continue reading Raspberry Pi Pico ADC Characterized
MIDI has been a great tool for musicians and artists since its invention in the 1980s. It allows a standard way to interface musical instruments to computers for easy recording, …read more Continue reading Guitar Effects With No (Unwanted) Delay