>We use piezo gyros (which operate at around 25kHz) but,AFAIK, they really >do vibrate a piezo crystal and sense the flexing of the crystal due to Where do I find these? Are they equal to the Heli Model's Gyros? I have= some Gyros here waiting this module to be fixed... --------------8<-------Corte aqui-------8<-------------- All the best!!! Alexandre Souza xandinho@interlink.com.br --------------8<-------Corte aqui-------8<-------------- -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu