Instruments driver (Demo) Sends series of 10 bits serial to the instruments via a rsj45 cable to:   An Altitude meter and a Vario meter. More pictures Driver programs on SW page. Schemas on Schema's(current) ! To enlarge pictures in "mijnalbum.nl", change to your language, Register for free, Login and click 2x/3x on a picture. Air Core Coil Motor for real instruments. Parts: Steel shaft 0.5mm,   Messing micro tube 1x0.6mm, Alu staf 5mm(old uhf tv antenne). Ring magnet 10/5x5mm, Pertinax 0.5mm, Pertinax 1mm, 2 componet glue. Copper wire 0.1mm², Threded plastic distance rod. Motorized winding setup with turns counter(about 2x1600 turns, +/- 200 Ohm). Driver chip eg. SA5775AN. Driver programs on SW page. Video of first try.(on scope: 1output channel, input pulses) Video of ready modifyd instrument Picture serie of how i made one. Condor soaring flightsim GPS connected to XCSoar on PDA for navigation.  Via GpsGate -> ActiveSync -> PDA -> GpsGate -> XCSoar. Gratis XCSoar Circling in thermal.