Height sensor hpe kaga lam langai ngai pat da ai kun ngu ai hpe yu yu ga. Dai tsaw ai sensor gaw, laika ka ai tsaw ai hpe infrared nhtoi hku nna chye na ya ai. Infrared rays hpe lama ma pat da ai rai yang, sensor gaw default hku nna platform ntsa de lung wa nna, bai n mai lung wa na re.
Lift motor hte key board lapran na circuit hpe garan kau ai kun ngu ai hpe yu yu ga. Dai sharawt ai motor gaw, platform hpe sharawt na matu n-gun jaw ya ai. Line hkrat mat ai (sh) daw mat yang, platform gaw n mai rawt nna hkrat mat ai.
