A simple tutorial on getting readings from an ultrasonic sensor

Start coding online with the Arduino Web Editor, save your sketches in the cloud, and always have the most up-to-date version of the IDE!

Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!

Control an Arduino robot with a smartphone using ESP8266 (Last update: 08/06/2022).

The Arduino Bluetooth Relay 12 Channels App supports control of a 12 channel relay module via Bluetooth (HC-05, HC-06, HC-07 ect.) modules.

Simple Temperature Monitoring with DHT22 & Arduino.

Writing in a 4 digit 7 segment LED display.

How to drive a seven segment display using only four pins.

An advanced home automation project with Arduino Uno and Bluetooth sensor to control it, anytime from anywhere.

Sending Bytes to an 8x8 LED Matrix.

A calculator that work on 2.4 TFT LCD display

In this tutorial, I will show how to interface a 5V relay with Arduino and control an AC load.

This project illustrates switching using a transistor.

Recently Google Chrome added the functionality to communicate with serial devices from the browser. Build interactive experiences easily!

This project demonstrates the working with Shift Register.

Read the soil moisture level (Dry-Perfect-Wet) and display results on a corresponding LED.

To let family members know when a call is in progress during home office. Arduino IOT Cloud Thing to Thing communication

The Arduino is simple, cheap and power efficient but has limitations. Sometimes, you may want to have more than one access your I2C bus.

Mastering the short comings of simple button switches. The fundamentals everyone should know.

Do you need to have exFAT support? Use long filename? Open multiple files? Or read files with non-English characters? Then check this out!

RT-Thread, a powerful multitasking tool optimized for Arduino. You are able to issue shell (FinSH) commands to control your hardware now!

Wanna try to become the new super stylish 2020s drummer?

A clock, controlled by a RTC module, that you can see on a 4-digit display.