is it possible to just wire the encoder (5v) to P503 and set pins 931 and 930 to qep?
Am Dienstag, 4. Oktober 2016 18:18:48 UTC+2 schrieb Charles Steinkuehler: > > On 10/4/2016 10:29 AM, Sag ich Dir nich wrote: > > so i want to use pin 4 (SCK) and 6 (MOSI) of P503 for eQEP encoder > inputs A > > and B. If i read correctly, those are pins P9.31 for SCK and P9.30 for > MOSI. > > I set them to input like so: config-pin 931 input > > config-pin 930 input > > > > but how do i connect those pins to p9.92 and P9.27? > > You will have to physically connect the pins on the BBB (or CRAMPS) P9 > header: > > Connect P9.42 to P9.30 > Connect P9.27 to P9.31 > > Once you do this, make sure you NEVER set more than one of the pins > wired together to be an output. > > > do i need to make sure the voltage don´t go above 3.3v? Because it says > > SCK-5V and MOSI-5V > > If you connect the pins on the header-side, and hook your encoder > signals to the P503 pins, you can make use of the protection chip on the > CRAMPS board and you can have 5V encoder signals. > > -- > Charles Steinkuehler > [email protected] <javascript:> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
