8 years, 5 months ago.

KL25Z keypad help me!

Hi! I want write a code with a 4x3 matrix membrane keypad I have tried to write a polling library, I have tried to use 4x4 polling library. But gave always +-58.000 value why?

We really need more information than this...

posted by Erik - 10 May 2013

1 Answer

8 years, 5 months ago.

I want make a dummy bomb for softair (war simulation game) with a 4x3 keypad I insert a code if the cose is right the lcd show a congratulations message else a buzzer sound to say than rhe bomb be exploded. when I press a keypad button i update an array the lcd must be show this array updated.

But which code are you using and how is it wired?

posted by Erik - 10 May 2013

It'simply connected to KL25Z because the mbed use PullDown resistor default

posted by Davide Luongo 10 May 2013