Magnetic Levitation, need I say more? Levitate some small magnets with a bigger electromagnet!
Project showcase by Hao Jie Chan
Arduino Project: How to make a Fidget Spinner RPM counter with Hall-effect sensor.
by Andriy Baranov
Did you know that a standard three-wire PC Fan can be used as a sensor?
by Daniel Porrey
This is the simplest example of repulsive magnetic levitation.
Project tutorial by Mirko Pavleski
Creative approach to building electronic chessboard upon RFID technology, Hall effect sensors, and Arduino Mega.
Project tutorial by Tahir Miriyev
Project in progress by CK Tan
A simple burglar alarm built using an ATtiny45. You can attach it anywhere and will it will inform when someone tries to steal something.
Project tutorial by Salman Faris
Observe the magnetic field integrity and polarity in the air with the 3144E Hall effect sensor. Also, adjust the RGB LED colours easily.
Project tutorial by Kutluhan Aktar
Make a gesture controlled robot using Arduino control glove without flex sensor; using Hall effect sensor and accelerometer.
Project tutorial by Jithin Sanal
Taking an Arduino Uno, one display, one Hall sensor and four magnets, i measured how many meters run my little hamster named "Ciambella."
Project tutorial by Franzduino
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