Thingiverse
External battery holder for Casio fx-8000G and fx-8500G
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A recent nostalgia crisis made me take my old Casio fx-8500G calculator out again. When A was a student, I modify it's power supply system because it was needing three CR2032 cells that was expensive and having a low capacity (to much black pixels on the screen was sufficient to drain them out of power) by a classical and inexpensive 9V battery (aka 6LR61).
The trouble with this solution is that the new cell was hanged outside the calculator by the wires that connect it to
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A recent nostalgia crisis made me take my old Casio fx-8500G calculator out again. When A was a student, I modify it's power supply system because it was needing three CR2032 cells that was expensive and having a low capacity (to much black pixels on the screen was sufficient to drain them out of power) by a classical and inexpensive 9V battery (aka 6LR61).
The trouble with this solution is that the new cell was hanged outside the calculator by the wires that connect it to
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