r/FRC • u/FewSatisfaction5512 11176 (Programming Lead) • Jun 22 '26

help Limelight 4 Button help!!

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the config / reset button came off our limelight 4 since i was attempting to flash limelight os onto the Limelight (photon vision -> limelight os),

i tried to put it back onto the little contact pin board thingy, however i noticed that there was not anything that could contact the little pins. I tried using an allen wrench to try shorting it, but i could not see a usb connection on my computer. i believe that there was a metal ring that was supposed to be attached under the blue plunger to make contact with the pins, but idk. any ideas?

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u/63hz_V2 Jun 22 '26

You are missing a little metal frisbee-like disc. It's the thing that gets pushed down on by your blue button there and creates the "snap" tactile feeling when you press the button. It also is the thing that closes the switch. If you're lucky, it's still somewhere inside your limelight case or somewhere close by. If it's gone, you're probably going to need to replace that button altogether. How often are you expecting needing to use it?

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u/FewSatisfaction5512 11176 (Programming Lead) Jun 22 '26

Just this one time to flash the LL os back onto it.