Switch and Led with 8051 Starter Board Revision as of 17:06, 17 June 2016 by Raghavendra (Talk | contribs)
In this tutorial we will see how to read status of the Switch. Once we read the status of the input will take appropriate action by glowing the on board LED.
Basics
Explore Starter 8051 board has 2 user interface switches on the board which are connected to P3.2 and P3.3 . There are 4 LED's are on board which are also connected to higher four bits of P3. Out of these we will read the status of SW2 ( Connected to P3.3) and will show the status on LED ( Connected to P3.7).
Hookup
Code