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charcole / LCDZapper

Device for making light gun games playable on LCD TVs
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Nes Zapper Cable #19

Open dekkit opened 3 years ago

dekkit commented 3 years ago

Documenting examples of each cable wiring (in case anyone needs to create additional nes ones, or build their understanding of how the system works). Ive included a few photos and original schematic (as drawn by charcole).

Note: cables themselves do not appear to include any passive components (ie resistors/ capacitors).

IMG_2020-11-23_23-44-47 IMG_2020-11-23_23-46-13

95362210-ac772100-08c5-11eb-8a3b-912a4fdf0a0b (2)

charcole commented 3 years ago

Thanks Dekkit, this is great. To share some more details. They were made from NES controller extender cables. These are only wired for a joypad so I had to crack open the shells and move the Strobe/Data pins over to the other side of the socket (to become Photosensor/Trigger) then glue the shell back shut. Then the female connector was snipped off and the wires crimped in the right order into the RJ45 jack.

Looks like the diagram I showed you is wrong. The photosensor and 5V lines need to be switched (at the NES jack).

dekkit commented 3 years ago

Thanks for confirming!

I did a nes zapper conversion a few years back from a famicom db15pin to nes socket and had to do the same! (pull the pins out and reconfigure a cheap nes extension cable).

Ill draw this up properly one day but combine your comments and pin info http://nesdev.com/zapper_to_famicom.txt