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…
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!
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’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look…
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project.
This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.
This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.
This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio…
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.
In this project, we first examine how to install an ESP8266 add-on on Arduino IDE and then we make a configurable web…
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.
This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module…
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.
In this project, we will demonstrate the simplicity of RIOT by creating a data logger that will plot levels of light onto…
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.
Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.
Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.
The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.
The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.
Having a logic probe handy is always a must for an electronics workshop. But instead of buying one, why not build your…
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?
Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air…
Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air Quality Monitor with Bluetooth low energy (BLE) connectivity.
In this project, we will build the heart of a simple 4-bit CPU, the ALU (Arithmetic Logic Unit).
In this project, we will build the heart of a simple 4-bit CPU, the ALU (Arithmetic Logic Unit).
In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a…
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.
Learn how to simulate a traffic light using an Arduino.
Learn how to simulate a traffic light using an Arduino.
In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value…
In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination of standard electronic and surface mount components.
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this…
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this workhorse.
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert…
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert this data into an analog signal without overburdening the CPU.
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical…
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.