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Test & Measurement
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
Communicate with Your Arduino Through Android
Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost any other microcontroller) can "talk" with your smartphone, sending and...
October 16, 2015
Servo Motor Control with an Arduino
You can connect small servo motors directly to an Arduino to control the shaft position very precisely.
June 03, 2015
Control an Arduino with Bluetooth
This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.
November 26, 2015
Make a Digital Voltmeter Using an Arduino
It's easy to make a simple digital voltmeter using an Arduino and 16x2 liquid crystal display (LCD).
June 04, 2015
Interface a Seven Segment Display to an Arduino
For many applications, there's no need to use a more expensive liquid crystal display to display data. A simple seven-segment display is sufficient....
June 02, 2015
Understanding and Implementing the HC-12 Wireless Transceiver Module
The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.
November 02, 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
Breadboard and Program an ESP-01 Circuit with the Arduino IDE
The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!
October 20, 2015
Charles R. Hampton
Build Your Own Metal Detector with an Arduino
Building a metal detector using a Colpitts oscillator and an Arduino.
October 03, 2016
Interface an LCD with an Arduino
You can easily interface a liquid crystal display (LCD) with an Arduino to provide a user interface.
April 16, 2015
Create an Arduino Controlled Battery Charger
In this project, we use an Arduino and an attached charging circuit to control the charging of NiMH rechargeable batteries.
February 17, 2016
Jason Poel Smith
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 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
Using the Arduino’s Analog I/O
The Arduino can input and output analog signals as well as digital signals.
June 10, 2015
Read and Write on NFC Tags with an Arduino
Learn to use an Arduino to read NFC tags and write information on them! Near field communication protocols are what electronic devices can use to communicate and transfer data between each...
October 27, 2015
How to Use the Arduino’s Digital I/O
The digital inputs and outputs (digital I/O) on the Arduino are what allow you to connect sensors, actuators, and other ICs to the Arduino . Learning how to use the inputs and outputs will...
June 05, 2015
Use a Keypad with Your Arduino
Keypads allow users to input data while a program is running. This tutorial shows you how to connect a twelve-button keypad to an Arduino and how to use the library Keypad.h....
June 15, 2015
Reading and Writing Files from an SD Card with an Arduino
In some Arduino applications, it is advantageous to be able to store and retrieve information locally. You can do this with a Secure Digital, or SD, card. An SD card is a non-volatile memory...
June 23, 2015
Make Your Own GPS Transmitter with the HC-12 Transceiver
Create a tracking device with an HC-12 transceiver, a GPS module, an Arduino, and Google Maps.
November 10, 2016
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