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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    db9_gpio_rpi genesis / MD help. only seeing B button. Not working in ES

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    db9-gpio-rpigenesismegadrivecontrollers
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    • C
      CeEeeEe4
      last edited by

      Hi everyone

      Im struggling a bit to set up 2 original genesis / megadrive controllers with retropie.

      I have soldered and connected wires to the pins from this guide https://retropie.org.uk/docs/GPIO-Modules/#db9_gpio_rpi

      I have added db9_gpio_rpi to the /etc/modules file.

      and created a db9.conf file in etc/modprobe.d containing "db9_gpio_rpi map=4,4"

      But i am getting no input inside emulation station.. and when i go into the terminal to test with jstest, the D-pad is inputting, but only the B button is getting picked up.

      Any help would be great.

      many thanks

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