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Test & Measurement
How to Build Your Own Function Generator Using Analog Devices’ AD9833
Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.
one day ago
Building a Capacitive Touch Interface with the Texas Instruments MSP430FR2633
The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a circuit that supports a custom capacitive touch panel with LED and haptic...
January 12, 2018
The FitByte: How to Make an ATtiny85 Powered Activity Tracking Wearable
This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
December 13, 2017
High-Speed Waveform Generation with an MCU and a DAC
In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.
December 08, 2017
How to Generate a High-Precision Waveform Using a DAC and a Custom PCB
In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.
December 01, 2017
How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit
Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application....
November 02, 2017
Testing for a Robot’s Collision Detection System with Varying Impact Resistance
We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.
September 28, 2017
Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.
September 25, 2017
How to Use a Robot to Record and Transfer Audio Signals
This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.
September 15, 2017
Design a Custom Microcontroller Programming and Testing Board
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project....
August 18, 2017
Mitigate Power Failure Programming Issues Using EERAM
In this how-to article, we explore the use of I2C EERAM to save critical program variables when power fails and restore them when power returns to easily preserve program continuity....
August 07, 2017
Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework
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....
March 08, 2017
Using a SIM900A to Send Sensor Data to a Website
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....
February 23, 2017
Controlling a Stepper Motor with an SIRC TV Remote and a PICAXE: Infrared Capabilities
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...
February 09, 2017
Charles R. Hampton
Testing a Custom IoT Framework by Controlling an LED: RIOT (RealTime Internet of Things)
Using a custom framework (RIOT) to control an LED with a networked computer.
February 08, 2017
The IoT Beaglebone Beagle Treat-Feeder
The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you stuff your face!
January 30, 2017
Quark D2000 I2C Interfacing: Add a Color Sensor and Asynchronous Mode
Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.
January 13, 2017
Quark D2000 I2C Interfacing: Add a Light Sensor and an LCD
Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.
January 12, 2017
How to Make a Timed Air Ventilator
Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air in my boat's cabin. It is controlled with a PIC16F628A and has an LCD....
January 11, 2017
Designing a Circular-Touch-Sense User Interface
This project gives you an example of how a basic user interface can be implemented using only one circular capacitive touch sensor.
January 05, 2017
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