Panimula
- Grayhill, Inc. ay isang nangungunang tagagawa ng mga elektronikong sangkap kabilang ang optical at mechanical encoder, rotary switch, joysticks, surface mount at thru-hole DIP switch, rotary DIP switch, toggle switch, standard & custom keypad, pasadyang operator interface front panel , I / O modules, at mounting racks.
http://www.grayhill.com/