Latest Test & Measurement Projects

Capacitive Touch Sensing with an EFM8 Microcontroller

This project explores capacitive-touch-sense technology using an evaluation board for an EFM8 Sleepy Bee microcontroller.

December 12, 2016 by Robert Keim

Create a PID Controller on the NI myRIO—The Software

In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor and the NI myRIO.

November 29, 2016 by Mark Narvidas

Build Your Own Low-Resistance Meter

This project will show you how to make a device that can measure resistances as low as 0.1 ohms.

October 26, 2016 by Robin Mitchell

Build Your Own LED Saber—Audio and Power Systems

In part 2 of the LED saber project, we'll assemble the power and audio systems.

October 19, 2016 by Jeremy Lee

DIY Tools—Build Your Own Logic Probe

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?

September 22, 2016 by Robin Mitchell

Build an Arduino BLE-Enabled Indoor Air Quality Monitor

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.

September 16, 2016 by Raymond Genovese

Measuring Temperature with an NTC Thermistor

For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.

August 15, 2016 by Joseph Corleto

Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.

August 09, 2016 by Charles R. Hampton

Reflow Soldering? It’s So Much Easier with a Solder Paste Stencil

In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the use of polyimide film has brought the prices within reach... if you know how and where to get them.

June 02, 2016 by Charles R. Hampton

C-BISCUIT Power: Assembly and Testing of Regulator and Crowbar Circuits

Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a previous article using a hot air rework station and other various electronics tools.

May 31, 2016 by Patrick Lloyd

Create an Object Tracking System: Integrating Servo Control with Object Detect

This project covers integrating servo control and object detection.

May 10, 2016 by Michael Stock

Do-It-Yourself Soldering Station with an ATmega8

The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.

May 05, 2016 by Cezar Chirila

Build an Automatic Computer Display Rotator With an Arduino

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.

April 12, 2016 by Matthew Davis

Embedded PID Temperature Control, Part 3: Implementation and Visualization

We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using an oscope and LEDs.

February 15, 2016 by Robert Keim

Building Raspberry Pi Controllers Part 5: Reading Analog Data with an RPi

Learn how to read electrical signals and data from an analog device using the Step Response technique in Part 5 of the Building Raspberry Pi Controllers series.

February 09, 2016 by Don Wilcher