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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

Electrochromic and Electrophoretic Technologies Shine in Low-Power Displays

Ultra-thin, flexible, and low-power displays support wireless, IoT, and energy-harvesting applications that continue to bring intelligence to more products. This article examines two of the most popular low-power reflective display technologies—electrochromic and electrophoretic.

July 02, 2023 by Dale Wilson

The Glass Cockpit: The Story of Display Technologies in Space Shuttles

In this final part of the Glass Cockpit series, we look at how displays have reached their current iteration in Space X shuttles.

January 10, 2021 by Steve Taranovich

Display Technologies for Aerospace Applications: The F/A-18 Super Hornet

Learn about real-world display technology design in aerospace applications in a legendary example—the F/A-18 Super Hornet—from an engineer who's flown them.

January 08, 2021 by Steve Taranovich

Touchscreen vs. Button Interface Design: Capacitive and Resistive Touchscreens and Haptics

Learn about some of the most important fundamentals for understanding how interface technologies have evolved.

January 07, 2021 by Steve Taranovich

The Mapping Function and Circuit Implementation in Histogram Equalization

In this article, we'll look into greater details on a histogram equalization method, including use cases of the mapping function and circuit implementation.

March 10, 2020 by Dr. Steve Arar

How to Interface the Mojo v3 FPGA Board with a 16x2 LCD Module

This article will discuss the details of interfacing a basic 16x2 LCD module with an FPGA.

May 17, 2019 by Dr. Steve Arar

How to Interface a 16×2 LCD Module with an MCU

This article will discuss the details of interfacing a 16x2 LCD module with an MCU.

March 04, 2019 by Dr. Steve Arar

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

How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit

Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application.

November 02, 2017 by Nick Davis

How to Build a Weighing Scale Using a Load Cell and a Microcontroller

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the Simplicity Studio IDE. The measured weight will be displayed on an LCD screen.

October 10, 2017 by Nick Davis

Adding an LCD and Keypad to a Tachometer and Speedometer

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.

September 18, 2017 by Nick Davis

Building an Infrared Tracker with a PICAXE 14M2 and a Stepper Motor

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.

January 17, 2017 by Charles R. Hampton

Quark D2000 I2C Interfacing: Add a Color Sensor and Asynchronous Mode

Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.

January 13, 2017 by Raymond Genovese

Quark D2000 I2C Interfacing: Add a Light Sensor and an LCD

Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.

January 12, 2017 by Raymond Genovese

Designing a Circular-Touch-Sense User Interface

This project gives you an example of how a basic user interface can be implemented using only one circular capacitive touch sensor.

January 05, 2017 by Robert Keim

Build a Wireless “Tipping Bucket” Rain Gauge, Part 3—Receiver, PICAXE, and LCD

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.

August 19, 2016 by Charles R. Hampton

How to Build a Raspberry Pi Camera

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.

August 01, 2016 by Don Wilcher

How to Build a Simple Arduino-Based Calculator

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.

June 13, 2016 by Aleksandar Tomić

Use a DC Motor to Power LED Headlights on a Longboard

Build a generator-powered LED headlight for a longboard for very cheap.

April 20, 2016 by Jacob Smith