Latest PCBs Projects

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.

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.

In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.

In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.

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.

In the final installment of our series on the development of the Anthilla Controller, we look at the legal requirements…

In the final installment of our series on the development of the Anthilla Controller, we look at the legal requirements for bringing the project to market in the European Union.

This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT)…

This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. In Part 3, we cover the manufacturing, assembly, and product testing of the board.

In this four-part series, we walk through the development of the Anthilla Controller, an open-source Internet of Things…

In this four-part series, we walk through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. Part 2 explains the process and requirements of obtaining an open-source hardware certification.

In this four-part series, we walk through the development of the Anthilla Controller, an open-source IoT hardware…

In this four-part series, we walk through the development of the Anthilla Controller, an open-source IoT hardware platform. Part 1 introduces the project's specifications and explains key design decisions.

In this project we create an 8-bit arithmetic logic unit (ALU) in the VHDL language and run it on an Altera CPLD…

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.

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

Learn the design steps for creating your own custom inclinometer PCB.

Learn the design steps for creating your own custom inclinometer PCB.

This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart…

This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

The OPB9000 is a reflective light sensor from TTElectronics with programmable output and sensitivity levels.

The OPB9000 is a reflective light sensor from TTElectronics with programmable output and sensitivity levels.

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.

This article explores the schematic design and basic features of a smart programmable wireless controller module I…

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

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.