A single Arduino Uno/Mega can carry up to 14 RS-232 boards. Each board is distinguished by ID, which is set via a DIP switch.

How to make a remote-controlled origami robot with Arduino.

My kids love balloons, and they know that daddy is almighty. :)

This project illustrates switching using a transistor.

An arduiNOOB friendly tutorial for beginners on daisy-chaining.

Garage parking sensor using addressable RGB LEDs to provide feedback to vehicle driver as they approach and reach stop (park) position.

I'm fighting back against lame tasks in video games. This project is the beginning to automate a console remote.

The stylophone was one of the wackiest forgotten toys of the 1960s and '70s, and today, "we have the technology" to make it better.

Pulse induction metal detector, built on the Arduino Nano.

Use a Bluetooth module to replace a traditional wired connection for transmitting serial data.

A self-controlled robot with specific dimensions and features. It is also designed in hostile shapes which qualify it to fight.

Easy to build, but comparable with professional seismometers, homemade Arduino seismometer.

An open-source Arduino base remote controller (transmitter) with many customization options for robots and drones.

How to make a graph from an analog input with Processing and Arduino.

Proof of concept solution for transport companies to track vehicles with cargo using IoT components and IOTA platform.

Make a remote to turn off any TV with an Arduino and some simple electronics!

PV panel simulation for tracking solar movement.

In this tutorial, you will learn how to use a soil moisture sensor. Practical examples are also provided to help you master the code.

Speedometer that uses a GPS for speed sensing and an RGB LED to indicate speed to the user. Also features a blinking white light.

In this tutorial, you will learn how to upload and download data to/from a Firebase database with Arduino UNO and ESP8266 module.

A joystick controlled robot for playing the famous fishing game.

The Praduino multimeter is based on Arduino Nano. This multimeter can work on normal power supply or with 3.7V LiPo battery.

One code goes in, another comes out... A different way of having a single remote without needing a universal one.

Make an alarm clock that will only stop once the light is on and the button is pressed using an Arduino Nano.