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How to Build a Particulate Matter Detector for Air Quality Measurement

How to Build a Particulate Matter Detector for Air Quality Measurement

Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.


MIT-i Waves Goodbye with Sparkfun’s Spectacle!

MIT-i Waves Goodbye with Sparkfun’s Spectacle!

Make a Spectacle of yourself at the next Comic-Con with Sparkfun's Spectacle line-up! Anyone can use it, it's as easy as plugging in a pair of headphones!


Projects Mar 13, 2018 by Ryan Jones
Design a Custom Microcontroller Programming and Testing Board

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.


Projects Feb 25, 2018 by Robert Keim
Power over Ethernet (PoE) with Microchip’s EoE!

Power over Ethernet (PoE) with Microchip’s EoE!

Embrace the power of Power over Ethernet with Microchip's Ethernet of Everything!


Projects Jan 26, 2018 by Ryan Jones
How to Build Your Own Function Generator Using Analog Devices’ AD9833

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.


Projects Jan 17, 2018 by Cezar Chirila
Building a Capacitive Touch Interface with the Texas Instruments MSP430FR2633

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 feedback.


Projects Jan 12, 2018 by Mark Hughes
The FitByte: How to Make an ATtiny85 Powered Activity Tracking Wearable

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.


Projects Dec 13, 2017 by Demsey Kirkwood
High-Speed Waveform Generation with an MCU and a DAC

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.


Projects Dec 08, 2017 by Robert Keim
How to Generate a High-Precision Waveform Using a DAC and a Custom PCB

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.


Projects Dec 01, 2017 by Robert Keim
How to Check and Calibrate a Humidity Sensor

How to Check and Calibrate a Humidity Sensor

How accurate is your humidity sensor? Find out with this project.


The MIT-i Color Blender! RGB LED Color Blending

The MIT-i Color Blender! RGB LED Color Blending

Blending colors may sound elementary but it is vital in drawing attention to your project with RGB LEDs!


Projects Nov 08, 2017 by Ryan Jones
How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit

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.


Projects Nov 02, 2017 by Nick Davis
Arduino Multitasking! How to Use Milli in Arduino Code

Arduino Multitasking! How to Use Milli in Arduino Code

Delay statements are great and all, especially for their simplicity, but they can really put a damper on things when trying to multitask your Arduino. Forget delay and hop on the millis() train!


Projects Oct 11, 2017 by Ryan Jones
How to Build a Weighing Scale Using a Load Cell and a Microcontroller

How to Build a Weighing Scale Using a Load Cell and a Microcontroller

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the Simplicity Studio IDE. The measured weight will be displayed on an LCD screen.


Projects Oct 10, 2017 by Nick Davis
Testing for a Robot’s Collision Detection System with Varying Impact Resistance

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.


Projects Sep 28, 2017 by Robert Keim
Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller

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.


How to Protect Your Robot with Automatic Collision Detection

How to Protect Your Robot with Automatic Collision Detection

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).


Projects Sep 21, 2017 by Robert Keim
Adding an LCD and Keypad to a Tachometer and Speedometer

Adding an LCD and Keypad to a Tachometer and Speedometer

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.


Projects Sep 18, 2017 by Nick Davis
How to Use a Robot to Record and Transfer Audio Signals

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.


Projects Sep 15, 2017 by Robert Keim
F.U.N. with B.L.E.

F.U.N. with B.L.E.

With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are!


Projects Sep 08, 2017 by Ryan Jones