Matrix user forums

Hi to all,
I am getting confusion with the keypad i am using 2x3 size keypad it is working in the program but i need to know that what will be the actual connection for the keypad.means to whom i need to give the pull for rows or columns.

Hello

The Columns should be connected to the I/O pins with a 10K series resistor in between the columns pin and I/O pin.

The Rows should be connected directly to the I/O pins with a parrallel 100K pull down to ground.

For a graphical example of this you can look at the EB014 datasheet which contains a schematic of how we wire up our 3 x 4 keypad.

Hello Benj,
Thanks, i had tested the prog and do the wiring according to you in is working now.