A simple thermometer using Arduino Mega 2560 (Celcius)

3 buttons to make different noises on elegoo mega 2560.

Using a passive buzzer to make a nice tune

Traffic lights for cars and pedestrians

(cover your ears ladies and gentlemen) How to use a simple active buzzer.

This is what I think is the simplest project here. great to look at the code if this is the first time you picked up an Arduino EVER

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!

An interactive robot that anyone can make! Otto is very easy to 3D print and assemble, walks, dances, makes sounds and avoids obstacles.

In this protip, I will show you how to build DS18B20 Digital Thermometer with Arduino.

"Otto DIY with steroids" + Bluetooth + APP + switch + touch sensors + strength + sound detection...

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

Get familiar with the Arduino IoT Cloud and take your first steps into the world of connected objects.

Host a Telegram Bot on your Arduino and chat with your brand new IoT device!

Costs around $120 USD (incredibly cheap compared to competitors) and uses easy-to-find components.

An Arduino controlled car that avoids obstacles (ie. walls or objects in front of it).

A digital finger sensor to protect against theft.

Learn how to use Arduino IoT Cloud and Amazon Alexa to interact with your sensors.

A simple device that turns the lights on when the user approaches home.

Create a history graph that maps temperature values live on a TFT LCD in seconds. Just edit 2 variables and choose your graph's colour.

Interface a 16x2 Liquid Crystal Display with Arduino Uno. Here we just use 4 wires.

Connect a Modbus energy meter to an Arduino and monitor power consumption via Home Assistant.