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…
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 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 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.
This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made…
This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made by GT-Tronics. Use it to experiment with your own BLE5 compatible designs.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
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 is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or…
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.
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.
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
In this project, we'll build circuits for programming two different Atmel microcontrollers and we'll discuss the…
In this project, we'll build circuits for programming two different Atmel microcontrollers and we'll discuss the necessary software setup.
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This…
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This article provides the building blocks that allow you to add BLE to your projects for $5 (plus a one-time purchase of a $15 programmer).
Use an Arduino/Genuino 101, a TI SensorTag, and an SD shield to build a BLE multi-sensor data logger that records…
Use an Arduino/Genuino 101, a TI SensorTag, and an SD shield to build a BLE multi-sensor data logger that records temperature, humidity, atmospheric pressure, ambient light and more.
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.
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.
This article shows you two ways to use a Raspberry Pi Zero Wireless to track flights in your area. It also demonstrates…
This article shows you two ways to use a Raspberry Pi Zero Wireless to track flights in your area. It also demonstrates how it can control a 64×64 RGB matrix.
The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and…
The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and combine the data, giving users their absolute orientation in space.
In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my…
In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my personal website.
Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing,…
Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing, volume adjustments, and more. One of the most popular codes is the SIRC (Sony Infrared Remote Code) which may be used with a PICAXE microcontroller to manage a stepper motor, or most any other electronic or electro-mechanical device.
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.