Speaker to TI-82


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Speaker to TI-82



Hi, I4ve opened my ti-82 and soldered to wires from the com-port to a small
speaker but there isn4t any sound comming when trying to paly anything,

Do I need to have som extra powersource to the speaker or should the power
used by calculators to communicate enouth??  If anyone allready have built a
speaker to the calc please tell me how you did that, bye!