An accurate clock with date displayed on a 16x2 LCD using just the Arduino, the display and few buttons. No RTC module required.

Use a ratiometric linear Hall effect sensor to build simple magnetic field strength meter.

This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.

You'll learn how to create an automation system to communicate 3 Arduinos via RS485.

Not enough fingers to play clarinet? With this project you can delegate solenoids to push two side-keys. Awkward fingerings whaaat?

An Arduino based Christmas tree decoration using basic electronic components and recyclable material.

In this project it is presented 1-dimensional version of the classic game ‘Pong’ made with NeoPixel LED strip.

A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.

Improved version of the soldering iron controller for Hakko 907 iron. To simplify building the controller, LCD screen is implemented.

Arduino Nano 32x8 LED matrix displaying date, time, temperature and humidity with a motion sensor.

UltrasonicEyes is a fun and quirky project you can place somewhere and watch as it looks at things moving around in front of it. Freaky!

Someone has been eating my cookies! Thankfully Arduino is here to help find out who it is.

A very useful project, made to monitor system resources without opening Task Manager.

Yet another useless Arduino clock, but i love it.

Small size code and simple hardware.

Here is a step by step guide to making a "crawler robot."

A digital clock using minimum components.

In this project, I will make an indoor gardening system to take care of my sweet plant and its beautiful flowers.

Complete Digital Clock including many features: Alarm, Temperature, Humidy, Dew Point, RTC and PIR (Presence Infrared Sensor).

A simple to build clock with many features.

Christmas is near!

We can measure body temperature without contact with this device.

This is an easy to build pet feeder with two timers. Delivers accurate portions each time.

Arduino stopwatch and lap timer with excelent accuracy and responsiveness!