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Test & Measurement
How To Control a DC Motor with an Arduino
By connecting an L298 bridge IC to an Arduino, you can control a DC motor.
July 07, 2015
How to Build a Class-D Power Amp
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
August 29, 2016
How To Use Arduino’s Analog and Digital Input/Output (I/O)
The Arduino can input and output analog signals as well as digital signals.
June 10, 2015
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.
January 17, 2018
Build Your Own Negative Voltage Generator
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail...
June 07, 2016
Use an Arduino to Control a Motor
Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the position of the motor shaft if the motor has a rotary encoder....
June 03, 2015
How to Build an Arduino-Controlled AM/FM/SW Radio
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
May 26, 2016
How to Use a Rotary Encoder in an MCU-Based Project
Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or electro-magnetic devices which convert rotational motion into digital or...
November 01, 2015
Build an Audio Mixer
You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a karaoke system. What's a great party with no karaoke? We're about to fix...
August 11, 2015
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...
October 10, 2017
Create a Two-Channel Remote Control with the nRF24L01+
This article will give you the building blocks needed to create your own two-channel wireless remote controller.
July 27, 2016
How to Use Relays to Control High-Voltage Circuits with an Arduino
To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay. Here's how!
June 11, 2015
Jennifer A. Diffley
How to Eliminate Ground Loops with Signal Isolation
This project explains how to isolate signals to eliminate ground loops in electronic systems.
January 29, 2016
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
How to Build a Simple Arduino-Based Calculator
Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.
June 13, 2016
How to Build a Wall-Following Robot
This is the final part in a series of articles on building a robot that can follow lines or walls and avoid obstacles!
December 01, 2015
Build an Arduino-LabVIEW Analog Voltmeter
This project will show how to build a basic analog voltmeter using an Arduino Uno, LabVIEW software, and littleBits electronics modules.
October 19, 2015
Create a Motion-Sensing Alarm with an Arduino and IR Sensors
Infrared (IR) sensors are normally used to measure distances, but they can also be used to detect objects. By connecting a couple of IR sensors to an Arduino, you can make an intruder alarm....
June 02, 2015
Make an Analog Sound Reactive LED Strip
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs....
October 28, 2015
Embedded PID Temperature Control, Part 1: The Circuit
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an EFM8 microcontroller, a DAC, and the MAX31855 thermocouple-to-digital...
February 01, 2016
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