Most hobby servos will happily hold position because of gearbox friction even when no valid PWM signal is present. As long as they keep seeing servo frames, the control electronics continue to drive ...

Servo panServo; // Create a servo object for the pan (horizontal) servo Servo tiltServo; // Create a servo object for the tilt (vertical) servo void setup() panServo ...

If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build ...