Hello, I want to use this GPIO method. It has worked so far as. The buttons are recognized under Retropi and I can configure the keys. Also, I can with the D-Pad, the Move the Retropi Menü (Up, down, left, right). A + B (Enter+go Back) and Start / Select access to settings very well! But when start...

IMG_20170701_162554526.jpg I'm starting to look into the controls I was hoping to recycle a chinese snes usb controller I already have. Looking at the pad board it is more complex than the on i saw in tutorials. I don't get what is ground, i was expecting some common path. Anyone can give me a lead ?

Once again you were right the screen control board ribbon was not connected properly. I feel stupid again

I'm waiting for the case to be delivered to go to the next steps now, thanks again.

I wanted to try a few things this morning but after giving a white screen on first boot, the screen niw seems to not work at all ( all this before I changed anything). The pi still work as expected via hdmi...

If that can ease minds, I noob at both soldering and gbz

I don't really know what do to now, I wonder if my screen is working ok or not...

I've tried with a 2A power bank without success, I'll if I can find something more powerfull.

Thanks for all the replies guys, I have a hard time learning all this but this community is great

Unfortunately as I said before I'm not really qualified in all the electronic stuff, so I don't have gears to use a 12v power supply. Regarding the screen board modification, I've read in several topics on this forum that there is no need to remove the chip. On one of this topic I read something abo...

I tried to link the video wire correctly (appart from my poor soldering) this time, unfortunetly the result is still the same. Here is the soldering and a gif from the screen behavior. https://img15.hostingpics.net/thumbs/mini_688281IMG20170618163740846.jpg https://img15.hostingpics.net/thumbs/mini_...

Sorry I feel really stupid

Here is what I did:

I did the wiring as you described and replaced the yellow wire with a shield one but I still have some flickering I think. I guess I'll try to clean all the soldering and restart from scratch when I receive my helping hand.