Raspberry Pi project “Magnetic checkers” @Raspberry_Pi #piday #raspberrypi

We love this pi powered Magnetic Checkers project from Naums Mogers!

The goal of the project was to move metallic checker pieces around the field using an electromagnet. The machine ended up resembling a simple 3D printer: 3 stepper motors, one moving base in axis X, two moving the head (magnet) in Y and Z axes. Software allows user to control machine manually and give simple tasks for automatic control (i.e. “move piece from A2 to E7”).

Software: Scratch for high-level control, Python for sending high-frequency PWM signal to GPIO pins.

Hardware: Meccano structural parts, x3 NEMA 17 motors, x3 A4988 Pololu drivers, 12V 6W electromanget, Raspberry Pi, 3 PSUs.

Read more.

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