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Arduino Forum N*N Matrix Keypad Using ONE PWM Pin

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Former Member over 14 years ago

I have sucessfully made the n*n keypad using one pwm pin and vcc and gnd with a small drawback..... i want to improve it..... i want some ideas how to made this possible....... all views and comments are welcomed

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Former Member over 14 years ago

This should be a question. How actually keypad is related to PWM? If you want to improve something, maybe you should first share what you did so far.
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Former Member over 14 years ago

This should be a question. How actually keypad is related to PWM? If you want to improve something, maybe you should first share what you did so far.
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