******************
DIGITAL OPERATIONS
******************

DIGITAL OUTPUTS
===============
.. image:: ../../_static/images/lecture3_pg2.JPG
    :align: center

VOLTAGE LEVELS
==============
- **4.5V-5V - HIGH LOGIC LEVEL**
- **0V-0.5V- LOW LOGIC LEVEL**

WHAT IS AN LED?
===============
.. image:: ../../_static/images/lecture3_pg4.JPG
    :align: center

.. image:: ../../_static/images/lecture3_pg5.JPG
    :align: center

Resistor Selection
==================
.. image:: ../../_static/images/lecture3_pg6.JPG
    :align: center

EXERCISE
========
- To make the LED blink at different rates

HARDWARE
========
.. image:: ../../_static/images/lecture3_pg8.JPG
    :align: center

SOFTWARE
========
.. image:: ../../_static/images/lecture3_pg9.JPG
    :align: center