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See those holes around the cartridge connector? They are unused,
and my idea for the ejector is as follows:A metal rod would rest on each one of the holes (2 on each side). When a momentary button is pushed,
A decent amount of force is required, but it isn't too much.
I've thought about a way to do this (4 motors with piston-like mechanisms), but I'd like to hear you out first. What do you recommend?
How often do you change the cartridges?Sounds like overdoing things to me, but hey, your choice.
Well, it's rather hard to say what would work and what wouldn't, when you leave out important stuff as where and how much room is available to do it, how much distance there is between the cartridge and the connector part with the hole and so on.
Just to reinforce Soeren's point: It's hard to suggest ideas when I have no reference as to the force needed to eject the cartridge. Is it similar to old Nintendo consoles, like the NES or SNES where this is easy? Is it similar to the amount of force needed to insert a PCI card in your computer's motherboard where this is not so easy?
I think you should also consider where you will be applying this force to the cartridge. Is this area well supported and able to take and transfer the ejection load? Will you wear out this area by pushing a metal pin into it?