Comment on A Tiny Speaker Printed on a Single Sheet of PaperparentComments−jimminy12yJust google "conductive ink". I don't know of any printers that use conductive ink, but there is a variety of available pens with conductive ink that you can use to draw the circuits.
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Just google "conductive ink". I don't know of any printers that use conductive ink, but there is a variety of available pens with conductive ink that you can use to draw the circuits.