Latest Digital ICs Projects

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A Raspberry Pi Pico Controlled Frequency Shift Audio Oscillator:  A Radio Shack Classics Circuit Remix

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.

About 4 days ago by Don Wilcher

From VHDL Code to Real Hardware: Designing an 8-bit ALU

In this project we create an 8-bit arithmetic logic unit (ALU) in the VHDL language and run it on an Altera CPLD development board connected to a custom PCB with input switches and LED display.

October 22, 2023 by Kristijan Nelkovski

Building a One-Shot Multivibrator with an ESP32 Terminal Display:  A Radio Shack Classics Circuit Remix

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

Transistor Controlled Switching of an LED Display: A Radio Shack Classics Circuit Remix

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

Controlling a Potentiometer-based Servo Motor Using a M5Stack Core

In this project, learn how to use a potentiometer's reading on the M5Stack core to control a servo motor.

June 04, 2023 by Don Wilcher

Creating a DCO-based Audio Synthesizer With an Arduino Nano

In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.

April 09, 2023 by Darby Hewitt

How to Build a Digital Input and Digital Control Using Microchip’s RN487x Bluetooth Module

Learn how to use a Microchip module to prototype digital input and digital control peripherals.

October 13, 2019 by Aaron Hanson

Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.

July 09, 2018 by Mark Hughes

Build Your Own Negative Voltage Generator

Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!

June 07, 2018 by Robin Mitchell

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.

June 01, 2018 by M. Mahdi K. Kanan

Design a Custom Microcontroller Programming and Testing Board

In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project.

February 25, 2018 by Robert Keim

How to Use a Robot to Record and Transfer Audio Signals

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

September 15, 2017 by Robert Keim

Build Your Own Motion Detection System Using an Accelerometer

This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio IDE—all from Silicon Labs—to rather quickly and easily build a motion-detecting alarm system.

August 31, 2017 by Nick Davis

Make a Web Server with ESP8266

In this project, we first examine how to install an ESP8266 add-on on Arduino IDE and then we make a configurable web server with an ESP8266 and show the simplicity of this process.

July 05, 2017 by Mohammad Amin Karami

Add Voice Commands to Your Next Project with Bluetooth LE

This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module to add voice-activated movements to your next project.

May 17, 2017 by Mark Hughes

Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework

In this project, we will demonstrate the simplicity of RIOT by creating a data logger that will plot levels of light onto a graph on a PC server application.

March 08, 2017 by Robin Mitchell

An Introductory Project for Software Defined Radio

Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.

February 02, 2017 by Christi Durham

How to Build a Touchless MIDI Controller with Arduino

Learn how to build your own touchless MIDI controller using an Arduino... video and code file included.

November 03, 2016 by Evan Kale

Understanding and Implementing the HC-12 Wireless Transceiver Module

The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.

November 02, 2016 by Mark Hughes

DIY Tools—Build Your Own Logic Probe

Having a logic probe handy is always a must for an electronics workshop. But instead of buying one, why not build your own for a fraction of the cost and have it working in an hour?

September 22, 2016 by Robin Mitchell