Controller issue

[hpx1984]

Hi Sir

i built one leako and it can working to run a game cart normally and then built one controller
but the controller got auto action issue,
i checked every thing on this DIY controller all are good ,no soldering issue (only up/down/left/right and A+B, no number key)
Do you know how to fix this issue?

[barbeque]

Hi! I'm not sure what your problem could be. Does it keep happening even with the controller unplugged?

[hpx1984]

Hi Sir Barbeque

The issue is very Interesting
I trying to just plug the 9pins cable to the unit's controller connector and then use my finger to touch the cable's wire pin and then got auto action on the game, if i remove the cable and then touch the connector pin but no auto action issue (only 9pin cable and open wire ,no more other component or PCB connect to the cable)