OK, now I understand.. Makes sense since RC model planes have been around for a long time. Thanks, Dave
On 11/8/2011 10:19 AM, Peter Blodow wrote: > Hello Dave, > the RC protocol is very prinitive and thus very flexible. In order to > make more channels possible I use a variable time slot which adds up by > ten variable pulses (correctly, pulse pauses from 1 to 2 ms) which > contain the channel informations plus a 10 ms sync pulse (can be reduced > to 6 or 8 ms without problems). So, the length of the whole telegram > varies from 20 ms (all ten channels at lower limit) to 30 ms (all > channels up). Encoder and decoder use the same IC, a decimal CMOS > counter. Very simple circuits for both sides. The sync pause is detected > by a simple RC combination, resetting the decimal counter. > > Peter > > Dave schrieb: > >>> >>> >>> >> 1-2 ms in 20ms ... I've read that before. So the min pulse width is >> 1 ms and the max is 2ms.. in a 20ms time slot? >> >> Seems like a waste to only use up to 2ms of the 20 ms time slot... >> >> Dave >> >> ------------------------------------------------------------------------------ >> RSA(R) Conference 2012 >> Save $700 by Nov 18 >> Register now >> http://p.sf.net/sfu/rsa-sfdev2dev1 >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> > > ------------------------------------------------------------------------------ > RSA(R) Conference 2012 > Save $700 by Nov 18 > Register now > http://p.sf.net/sfu/rsa-sfdev2dev1 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
