From what I gathered is the specific material is hard to find, and when you do find it can be cost prohibitive, making it "special" and not just a simple project. Also I thought there was mention of a foil edge or something? Idk... someone who knows more than me will probably chime in.
Older product that was super limited. To my knowledge it was really only ever sold at physical events and expos that Sanwa was at. A few shops would buy enough at these events to sell a limited amount but I have not seen one for sale in a really long time(over a decade). I believe it was also...
If you are talking about the glow ball tops from Qanba, uv works better than led. You would need an extremely bright led light to energize the phosphors in the ball tops to compare how well uv energizes them. To energize them with normal led you would need a really bright flashlight. Easier...
Yep, they glow in the dark! Here are the balltops of my collection that are UV reactive. I have labeled them to help others. Please note the generic Paradise Arcade Shop Clear Bubble Balltop is a bit of an anomaly. I ordered 4 clear ones and one of the four randomly reacts to UV and the...
Qanba is coming out with some fluorescence balltops:
https://qanba.vip/products/qanba-fluorescence-joystick-balltop-smooth-matte?VariantsId=10349
They should be cheaper at places like ArcadeShock once they start carrying them. Who knows, they might make some pushbuttons to match later. But...