Magnet levitation toy using Arduino. Cheap and easy to make!
Project tutorial by jsirgado
I found the Arduino Leonardo to be a great way to manage my CNC machine with little programming effort.
Project tutorial by Erik de Ruiter
Standalone Arduino 6-channel triggered oscilloscope with optional freeze frame.
A better and cheaper alternative to a climate-dependent control for your central heating boiler. Especially if you have in-floor heating.
Project tutorial by Peter Groeneveld
99% of the levitation is made by the permanent magnet.
Not by the electromagnet, the electromagnet just avoid the fall.
But if the electromagnet is too weak the permanent magnet will fall.
(may be it is the problem)!
The pulses are a good signal, all the electronics and the code are working...
It means the sensor is reading the permanent magnet field and turnnig On/Off the electromagnet.
I saw the datasheet for the (A1325) and looks good, 5V and it is fast.
My tip is go for 12V in the electromagnet.
You can add or just move the hall effect sensor for the bottom to reduce the interference or increase the precision, but you need change the code.
I have a new code, where I always turn off the electromagnet before read the sensor.
I just need time to test all and publish it.
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