Maintain a variable (for this project, the distance between a ball and a proximity sensor on a tilt) about a predefined setpoint value via a PID (Proportional-Integral-Derivative) Controller ran on an ...

PrecisionServo provides an alternative to SoftwareServo for ATTiny's which do not work with the Arduino built-in servo library. This library was tested with an ATTiny85 via a usb programmer on an ...