Latest Embedded Projects

This project brief describes how to build and use an Arduino-compatible interface board that reads a 2-axis thumb…

This project brief describes how to build and use an Arduino-compatible interface board that reads a 2-axis thumb joystick and transmits its position over an RS-485 network.

This project brief describes how to build and use an Arduino-compatible relay interface board that switches a 10 A load…

This project brief describes how to build and use an Arduino-compatible relay interface board that switches a 10 A load over an RS-485 network.

Discover how the LT1079 quad op-amp minimizes sensor loading in battery-powered designs. Active cancellation and an…

Discover how the LT1079 quad op-amp minimizes sensor loading in battery-powered designs. Active cancellation and an onboard bridge network ensure maximum precision for resistive sensors.

This project brief describes how to build and use an Arduino-compatible board that reads a linear Hall-effect sensor and…

This project brief describes how to build and use an Arduino-compatible board that reads a linear Hall-effect sensor and reports the measurement over an RS-485 bus.

Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated…

Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated signal conditioning for RTDs, thermocouples, and strain gauges.

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422…

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422 and RS-485 data links.

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance…

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.

This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3…

This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the…

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.

This project brief explains how to construct a PCB-based audio-processing platform with an ATmega328 microcontroller. A…

This project brief explains how to construct a PCB-based audio-processing platform with an ATmega328 microcontroller. A link to Arduino code for creating an audio echo is also provided.

This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful…

This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful of commercially available parts.

In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.

In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.

In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino…

In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino Uno and an Elecrow e-paper HMI display.

We use a Raspberry Pi and free software to build a test platform for IoT systems.

We use a Raspberry Pi and free software to build a test platform for IoT systems.

In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary…

In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary code in Arduino IDE and uploading soundbites.

Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.

Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.

In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along…

In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along the way, we’ll learn about astable multivibrators and the Darlington pair.

Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an…

Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an accelerometer module for motion control input.

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and…

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.