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there are 3 pcbs out there 1. resistor wrongfully connected across top of chip (not many made) 2. unpopulated smd resistor and additional resistor added to fix pedal (2nd run) 3. says rev3 on the pcb. (will be in stock again in 3-5? days )

either way is fine it feeds a schmitt trigger so true TTL level switching is not needed

speaking of PCB changes all p4 positions have a VGA port. the plan was if VGA is possible in a future update i might as well add the connector and if not the connector its self does not cost much anyways. IF a VGA firmware update is ever made it will only work on rev3 pcbs. when the p4 module...

originally when i looked at the pole position schematic i seen that the cockpit shows brakes home position as pulled high. so i wrongly assumed high meant off as it does on most harnesses and used a resistor to pull it high. i then sent pcbs to cockpit owners to test and people said all...

send me a message about the car grouping thing. maybe Ralf can try to fix this. i asked Matthew Karabinus (world record guy) and he said he never remembers the grouping. Richie Knuckles (another wwg) never noticed it either. i should get in touch with Dan Yamnits (current high score) maybe he...

never seen this issue must be a ghost lol. is it all working now? maybe it was accidentally bumped in the menu?

yes or add the resistor posted previously. for any one reading all the new boards do not have this issue

i need to remember that in case someone else has this issue

i didn't read all the messages sounds like you have power if you hear sounds send it to me to test/repair/replace

just seeing this now. i have a theory and if i am wrong then i will exchange the board for you. do you have the 5v and ground tabs connected together? if so some people connect both ar2 power supplies together using this method. atari designed pole position to use 2 power supplies but if they...

Toledoflyer already has a u15 replacement available right now!!! we actually had a u15 project awhile ago. i spoke with toledo on the phone and he mentioned he was planning on making a u15 so i stopped work on it. but recently he said if i have a solution i should finish it. so some day in the...

yup at some point

does your pot move 180 degrees? when the pedal is fully pressed?

coin and inputs are read through the usb cable connected between the pi and micro controller. maybe try reseating it

any comparison needs to be with the original pcb and not mame. if you find something off i need to know what sound it is in the test mode

there are no audio updates in the works. so far everyone is telling me the audio is dead on have you found something off with the audio?

Back in stock https://www.arcadeshop.com/i/1758/p4-position-multigame-kit.htm

glad you got it working!!! after reading your post i figured i would make a simple file in case anyone needs it. this is the same shape as the original except the shaft section is larger to accommodate a steel shaft collar 1/4" id and 5/16 od you would need to glue this collar into the spindle...

200 p4 positions out there and so far 1 or 2 people still with pedal issues that i know of . i know the latest update has more pot voltages averaged in but only for good measure not because of issues.

we measured several pedals and averaged the data i am sure we have a good representation of how the pedal works. if you have the latest update there is a sensitivity adjustment in the menu. but this sensitivity adjustment is really a bandaid for pedals out of spec. could it be possible the...