This number sends a pulse to the Arduino, which in turn tells the servos how far to move. A joystick typically has have pins: VRx (the x-axis signal), VRy (the y-axis signal), SW (a pushbutton we ...

[Clint] was working with the Arduino library, based on the Parallax PING, which uses a single pin for trigger and echo. The HC-SR04 uses separate pins. Originally he modified the Arduino library ...

replete with a webcam and an Arduino setup, but in the process of doing so he "just realized that [he'd] made a mechanism to play tilt based phone games with a joystick." Yes indeedy, one of the ...