For use in DIY homebrew radio equipment such superheterodyne receivers, SDR, HAM QRP transceivers or RF generator.
Project in progress by CesarSound
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
A 3D-printed mini jukebox powered by Volumio. Streams your music, Pandora, Spotify and AirPlay. Sound-reactive LEDs dance to your music!
Project tutorial by thisoldgeek
A simple, small piano that is not only small as the name implies, but it runs off of the Arduino Nano Every.
by Christian Madlansacay
Use a ratiometric linear Hall effect sensor to build simple magnetic field strength meter.
Project tutorial by Mirko Pavleski
Custom button powered via Arduino controls aftermarket exhaust flaps!
Project tutorial by kzim94
This project was inspired from Naruto Manga/Anime. If the sequence of hand signs was correct, it unlocked solenoid door lock.
Project showcase by Ikhsan I
This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.
Easily display custom animated glyphs on 16x2 LCD using the createChar() function from the LiquidCrystal library.
Project tutorial by tusindfryd
8 lines of code to setup and 1 line of code per variable for the Arduino, no programming on the PC side. USB-WiFi-Ethernet-Serial.
Project tutorial by Johi and user1793315
TinyML implementation to identify running water tap sound and once heard one, a buzzer + LED timer is triggered.
Project tutorial by enzo
Learn to build a pocket weather station that displays temperature and humidity using Arduino Nano!
Project tutorial by Tech Nuttiez
Turn a hot air popper popcorn machine into a high tech coffee roaster using a relay, 120V transformer, and thermocouple.
Project tutorial by Ben Eagan
This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions.
Project tutorial by frenchy22
Send your Arduino to collect data from the edge of space!!
Project tutorial by nmrsthrust
An easy to build simple weather station that connects to your smartphone via WiFi and Blynk.
Project tutorial by Doug Domke
You'll learn how to create an automation system to communicate 3 Arduinos via RS485.
Project tutorial by Moreira
Start sequence to race, then show winner for Hot Wheels type cars. Displays total race time, both car speeds and winning difference in ms.
Project tutorial by cooksprojects
Man and machine working together to create art.
Project tutorial by Sverd Industries
Track your face using OpenCV's facial recognition.
Project showcase by Shubham Santosh
Admit it, you always wanted to play around with a breath controller but couldn't justify the expense. Well, you have no excuse now.
Project tutorial by Costis
Implementing switches can be troublesome. This article offers a solution for configuring many mixed type switches at the same time.
CovidTestDrone enables self-administered COVID-19 tests to be delivered within minutes to patient’s homes via drone delivery.
Project tutorial by Andrei Florian
I made an Arduino library allowing simple communication with uECG device using nRF24 module - minimal example takes just a few lines.
Project tutorial by Dmitry Dziuba
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