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mfleming · (This post was last modified: 06-28-2019 05:42 AM by mfleming.)

Sounds like a very interesting project, hopefully details to follow. There is no direct replacement for the power connector to the calculator that I'm aware of, but there is a vendor on TAS (TAS==The Auction Site==eBay) that offers a USB to Classic calculator cable for recharging batteries. The connector seems to be assembled from three individual receptacles that fit over the calculator pins.

This is one of those projects that involve a patient search though vendor catalogs online looking for suitable substitute parts. Someone has already figured out a solution and the result may be posted somewhere (if you're lucky!). Check TAS first for ideas, buy a part to reverse engineer, etc.

Good luck, post progress!
~Mark

P.S. You might want to start with wire crimp connectors, those where you push wires in either end and crimp the ends down. Each end's opening varies according to the size of the wire inserted. One would likely make a tight friction fit over a calculator power pin. Then there are Molex connector pins, and so on ...