Note also, that if the pullup that's already there is very weak, the rise time would be slowed down, but the fall time would be fast. This could produce what we see in the encoder-a trace. The 1k pullups might bring that trace closer to 50% duty cycle.
>> . I would think a 1 K Ohm >> resistor from +5 V to the A and B would make a big difference. You can >> get +5 V from the game port or a >> hard drive plug. Yup, also looking closer, I see COORDINATED spikes in >> both A and B on a number of >> cycles. That reinforces my suspicion of the above. >> ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
