jr reciever question

[Ryan Kremser]

Hello, I am trying to work on a microcontroller project for my heli, but
needed to know how the servo signal pulses line up with eachother coming
from the receiver. Do all pulses (1->2ms) start at the same time (all
periods same) or do the trigger one after another? The receiver is the
Slimline R700 FM receiver. Thanks in advance

[Peter Christy]

Ryan Kremser wrote:

> Hello, I am trying to work on a microcontroller project for my heli, but
> needed to know how the servo signal pulses line up with eachother coming
> from the receiver. Do all pulses (1->2ms) start at the same time (all
> periods same) or do the trigger one after another? The receiver is the
> Slimline R700 FM receiver. Thanks in advance

With a PPM receiver, the pulses are sequential - the falling edge of one
coincides with the rising edge of the next.

PCM genrally follows this convention as well (to avoid sudden voltage spikes
when all the servos switch together!), though there is no inherent reason why
it should....

--
Pete
christy@NOSPAMattglobal.net
(make the obvious amendments to reply!)