In this project, we’ll use a Raspberry Pi Pico to build an adjustable clock with an LED display. We’ll then integrate the clock with a Radio Shack Science Fair Microcomputer Trainer programmed to function as a 7-bit binary counter.
February 11, 2024 by Don Wilcher
A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science Fair electronic oscillator circuit with audio output.
November 26, 2023 by Don Wilcher
In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a modern, colorful output while also examining the circuit's operation.
September 17, 2023 by Don Wilcher
Let’s modernize a circuit from a Science Fair 150-in-1 Electronic Project kit using a solderless breadboard, new electronic components, online EDA tools, and an M5Stack Core microcontroller.
July 09, 2023 by Don Wilcher
Understanding two key Boolean canonical forms, the sum-of-products and the product-of-sums, is important in digital system design and optimization. We will introduce how to generate these forms and provide guidelines on when it is typically best to use each form.
June 30, 2023 by William Bahn
Indispensable for modern electrical engineering, application-specific integrated circuits (ASICs) form a diverse group of integrated circuits (ICs) that help designers to optimize sophisticated electronic devices.
June 14, 2023 by Robert Keim
An encoding technique used for digital communication, pulse amplitude modulation (PAM) converts a discrete-time signal into a variable-amplitude continuous-time signal that is suitable for high-speed wired communication systems.
January 22, 2023 by Robert Keim