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The Useless Machine is a gizmo that turns itself off when you switch it on
they suggest it for use with single board computers (or desktop/laptops
A little bundle to get you started
Adafruit created a custom kernel package based of off Notro's awesome framebuffer work
making them easy to interface with
Adafruit DC & Stepper Motor HAT for Raspberry Pi - Mini Kit Character The Useless Machine is aThis Raspberry Pi add on is perfect for any motion project as it can drive up to 4 DC or 2 Stepper motors with full PWM speed control. This is the only motor controller you will ever need for your Raspberry Pi! Raspberry Pi and motors are not included. Since the Raspberry Pi does not have a lot of PWM pins, this HAT uses a fully dedicated PWM driver chip onboard to both control motor direction and speed. This chip handles all the motor and speed
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