that resistors are use to | Electronics › Electronics › some questions about the project “Electronic code lock with user defined password using 8051 microcontroller (AT89C51)” › that resistors are use to May 16, 2011 at 1:54 am #6206 romel emperadoParticipant that resistors are use to limit the current flowing the I/O pins when button is pressed.. but if you wish you can remove that and still it will work..
