An accurate clock with date displayed on a 16x2 LCD using just the Arduino, the display and few buttons. No RTC module required.
Project tutorial by paulsb
Use a ratiometric linear Hall effect sensor to build simple magnetic field strength meter.
Project tutorial by Mirko Pavleski
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.
Project tutorial by Moreira
Not enough fingers to play clarinet? With this project you can delegate solenoids to push two side-keys. Awkward fingerings whaaat?
Project tutorial by touchmysound
An Arduino based Christmas tree decoration using basic electronic components and recyclable material.
Project tutorial by Salwa El Kaddaoui
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.
Project showcase by ericBcreator
Improved version of the soldering iron controller for Hakko 907 iron.
To simplify building the controller, LCD screen is implemented.
Project tutorial by Alexander
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!
Project tutorial by Unexpected Maker
Someone has been eating my cookies! Thankfully Arduino is here to help find out who it is.
Project tutorial by Dante Roumega
A very useful project, made to monitor system resources without opening Task Manager.
Project showcase by thesahilsaluja
Yet another useless Arduino clock, but i love it.
Small size code and simple hardware.
Project tutorial by M.V.P.
Here is a step by step guide to making a "crawler robot."
Project tutorial by MEGA DAS
A digital clock using minimum components.
Project showcase by garysat
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).
Project showcase by LAGSILVA
A simple to build clock with many features.
Christmas is near!
Project showcase by Alexander
We can measure body temperature without contact with this device.
Project tutorial by Akshay Joseph
This is an easy to build pet feeder with two timers. Delivers accurate portions each time.
Project tutorial by Erik de Ruiter
Arduino stopwatch and lap timer with excelent accuracy and responsiveness!
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