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 an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors,…

Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors, hydrophones, guitar pickups, microphones, and turntables.

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 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.

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 implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on…

Learn how to implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on an Altera CPLD development board connected to a custom PCB with input switches and an LED display.

In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a…

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.

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

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

In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software…

In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software environment, and demonstrate connecting the device to the MQTT messaging service.

Learn how to make your own Wi-Fi-enabled "ESP Alarm."

Learn how to make your own Wi-Fi-enabled "ESP Alarm."

Enter the world of the Internet of Things by building your own IoT notification device.

Enter the world of the Internet of Things by building your own IoT notification device.

Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and…

Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and humidity monitor and display.

Using a custom framework (RIOT) to control an LED with a networked computer.

Using a custom framework (RIOT) to control an LED with a networked computer.

In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a…

In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a popular RFID module, the ID12LA.