Exp. board 3.0: Where is documentation for jumpers? I cannot find it
Exp. board 3.0 has 7 jumpers. What are they for? I cannot find any documentation for them.
@andrejpekarcik we are working on an updated version, I'll add it to my list and see what we can do. Thanks for the feedback!
@prx You can still find it on the pages for Expansion board 2 https://docs.pycom.io/datasheets/boards/expansion2 and you can see it on the pictures for the Exp Board 3 Pin-Out, which show what is printed on the board.
Prx last edited by
@dan link to exp board brocken
This post is deleted!
@andrejpekarcik That's kind of obvious. There is am USB/UART bridge on the expansion bord, which coverts USB messages into a serial data stream, and RX, TX, CTS and RTS are data and cotrol signals of this stream. The jumpers are in the wire connecting the USB/UART bridge to the xxPy device socket.
RX receive data
TX transmit data
RTS request to send
CTS clear to send
RX and TX are mandatory, RTS and CTS are optional.
@dan Thanks a lot. Function of jumpers should be explained also in Exp. board 3.0 docs with more details. I do not understand what it means to "Enable TX/RX/CST/.. signal".
@robert-hh Correction: there are some issues with the pinout sheet, the pin labels have been mixed up. We'll update it with the correct labels.
@dan Sure, but which GPIO's are these? Or do say that these names match the GPIO pin names, which at some time in the past were GPIO's of a certain CPU?
@robert-hh what do you mean they don't match the boards? the
GPIOpins match the pins on the Expansion Board
@dan This link seems misleading in two aspects:
a) the question which was raised (jumpers?) is not answered
b) the GPIO numbers in the link do not match any of the new Pycom boards. They seem to match WiPy1
robert-hh last edited by robert-hh
@andrejpekarcik It seem to be the same as Exp. Board 2 https://docs.pycom.io/chapter/datasheets/boards/expansion2.html
They connect certain signals/devices of the exp. board to the Pycom module.