When i get a tone ,how can i change pitch. Is there a schematic or is it just to insert a potmeter to change the resistance of the input/output values.
Also i get regularly nice clicks out of a wireless modem and wanted to know if i can make it click faste or slower.
High there, try to find the main oscillator-crystal and replace it with higher value or replace the crystal with an external oscillator... I think it is a microcontroller that does the wlan thing, but you can't overclock them so much, maybe 2x the clockfrequency is possible in most cases. In case of other keyboard/toys often a simple resistor or tank circuit is used (but only if the clockfrequency is under a few MHz).
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