Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.
May 03, 2023 by John Woodgate
This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.
October 28, 2022 by John Woodgate
Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software algorithms.
December 09, 2019 by Aaron Hanson
Learn the design steps for creating your own custom inclinometer PCB.
January 08, 2019 by Mark Hughes
Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's time to assemble your very own SmartBrella.
December 13, 2018 by Robin Mitchell
The OPB9000 is a reflective light sensor from TTElectronics with programmable output and sensitivity levels.
July 27, 2018 by Mark Hughes
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
June 18, 2018 by Robert Keim
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
March 28, 2018 by Raymond Genovese
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.
January 17, 2018 by Cezar Chirila
In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.
December 08, 2017 by Robert Keim
In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.
December 01, 2017 by Robert Keim
How accurate is your humidity sensor? Find out with this project.
November 29, 2017 by Raymond Genovese
Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.
September 06, 2017 by Nick Davis
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
July 14, 2017 by Mark Hughes
The best way to solder surface mount devices (SMDs) onto printed circuit boards (PCBs) is with a reflow oven, but when that's not possible, a hot-air station can be successfully used.
April 06, 2017 by Charles R. Hampton
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.
March 22, 2017 by Mark Hughes
No more waiting around for the groundhog. The Punxsutawney 5000 is here to keep you inside until springtime arrives!
February 27, 2017 by Ryan Jones
Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.
January 12, 2017 by Raymond Genovese
In this project we will develop an algorithm for precisely locating a touch event that occurs somewhere on a circular capacitive sensor.
December 15, 2016 by Robert Keim
This project explores capacitive-touch-sense technology using an evaluation board for an EFM8 Sleepy Bee microcontroller.
December 12, 2016 by Robert Keim
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