N*N Matrix Keypad Using ONE PWM Pin

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

Parents

Former Member over 14 years ago

Hi Ritesh
You need to tell how you interface with it then we can see the logic and one way or another we will try to help you for improving it ..
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel

Reply

Former Member over 14 years ago

Hi Ritesh
You need to tell how you interface with it then we can see the logic and one way or another we will try to help you for improving it ..
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel

Children

No Data