Calibrating Atlas Scientific's EZO pH sensor using Arduino Uno.

A short tutorial to start programming Arduino Uno without using the Arduino IDE.

Three ways to use Arduino as a USB to TTL converter. Helpful one!

Keypads are used in all types of devices, including cell phones, fax machines, microwaves, ovens, door locks, etc.

Here I want to tell you how to make incremental encoder from stepper motor.

Have a successful connection between Arduino and Raspberry Pi using I2C Communication Protocol.

Shield A is an Arduino Uno based shield for student education compatible with BASCOM-AVR(C) and Arduino IDE.

This is an Arduino camera module, using the surveillance camera's digital image processing chip-OV0706.

If you want use two Arduino, you can use a simple I/O port to communicate. The point of question is the Ground.

The software library to calculate moon age, sunrise and sunset time.

PlatformIO is an open source ecosystem for IoT development. And now, PlatformIO for Visual Studio Code is coming!

Creating a digital to analog converter (DAC) 8-bit using resistor ladder (R-2R Ladder) and implemented it in Arduino Uno to create signals.

One port to role them all.

Exploring the signals behind Arduino's Servo library, and characterizing a servo's response to pulse width.

Coming from Codebender? Good news, you can move all your work in a few simple steps!

How to use a PCF8574 as a port expander (4I/4O) polling of the buttons without interrupt.

This project will show you how to use a datalogger and how to registered analog values on a SD card.

Basics to 'bots! Build your first few projects with Arduino, and work up to simple Javascript programming with NodeBots.

Arduino programmers habitually utilize serial print for diagnostics; format that serial stream to spoof JSON and send on to Node-RED.

nRF24L01 radio transceiver provides very efficient and inexpensive way to establish communication between microcontrollers.

We used a TI FDC1004 breakout with an Arduino to measure liquid level in a bottle using the capacitance between two adhesive copper strips.

In this tutorial, you’ll learn how to use SD and micro SD cards with Arduino in a simple project to measure the environment temperature.

Simple instruction to let you know how to control an AC voltage device using an IR remote control and the Arduino.

This project will show you how to transmit variables to control a servo motor.