Make a key lock

#1

Hi i want to design 4 number key lock with mblok.if some one can youhelp to me

#2

For one of the controller boards or just a Scratch program?

#3

I am using arduino uno board…

#4

Is the board connected to anything besides the computer?

#5

No i am connect it with 3×4 key board.and i want when i insert correct password loke unlock

#6

Enable the Arduino extensions (under the Extensions menu) and use the read/write pin blocks. You’ll need some way to decode the key presses to compare against a hard-coded answer.

#7