PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small
Project tutorial by DIY Partners
Use three HC-SR04 ultrasound sensors and two battery displays to show you how close the obstacles are and from which side.
Project tutorial by SurtrTech
Control a solenoid/relay or whatever your locking system, and change the passcode by the keypad only, no program reupload.
It's a basic 4-wheel drive car which can be controlled by Android phones.
Project tutorial by Yogeshmodi
A 16x32 LED matrix displaying an evolving RGB countdown 'til the new year. A surefire way to bring a New Year's Eve party to the next level!
Project tutorial by Miles Nash
This project will let you have some fun playing with colors using Arduino analog input / output. Change colors with just a twist.
Project tutorial by Ahmed Hamdy
Electroplate conductive materials using an Arduino Uno and a relay.
Project tutorial by Ryan Gill
This tutorial shows how to control an array of 8x8 LED matrices using an Arduino Uno, to create the face of a robot.
Project tutorial by Igor Fonseca Albuquerque
How to make a cable that can connect your Arduino board to a TV RCA video jack. Put your Arduino on the big screen!
Project tutorial by Paul Scott
Here is how to use the YL-39 + YL-69 soil humidity sensor with any Arduino.
Project tutorial by Sorin Trimbitas
My broken chicken coop door opener now has manual control and LED indicators so I can see from the house if the chickens are safe at night.
Project tutorial by Erik de Ruiter
LED emergency lights for use on model / toy vehicles and other projects. Uses Arduino UNO and GY-WS2812B-8 RGB LED Module from DIYmall.
Project tutorial by bigboystoys13
Building an RFIDD access control system.
Project tutorial by Electronic Clinic
Take readings from the DHT11 Temperature/Humidity sensor and see them from the Arduino IDE Serial Monitor.
Project tutorial by Zachary Haslam
Arduino learned how to tell the temperature
Project tutorial by Grant
Learn how to control Lego motors and servos with your Arduino and build your own Android app to remote control your model.
Project tutorial by Patrick Müller
Program Arduino boards without using traditional USB cables.
Project tutorial by Shubham Shinganapure
A motion activated light and sound installation to scare the trick or treaters.
Project tutorial by Kristian Blåsol
Water level with LED alarms and buzzer with level distance and temp on LCD.
Project tutorial by MichDragstar
An LCD buddy that reacts to you!
Project tutorial by aip06
Persistence of vision is an optical illusion, it works on a simple phenomenon how our day to day television works.
Project tutorial by Ravi Parmar
An electronic sun-dancing sun tracker.
Project tutorial by SURYATEJA
Type your set password using the keypad and open the door lock.
Project tutorial by Rishabh
Arduino Uno and Visuino: GPS Location display with GPS and TFT Touchscreen Display Shields - Quick and Easy!
Project tutorial by Boian Mitov
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