Project 7 – Pulsating Lamp
You are now going try a more advanced method of controlling LEDs. So far, you have simply turned the LED on or off. Would you like to adjust the brightness of an LED? Can you do that with an Arduino? Yes, you can.
Time to go back to basics.
Parts Required
Green Diffused 5mm LED 
Current Limiting Resistor 
Connect It Up
The circuit for this project is simply a green LED connecting, via a current limiting resistor, between ground and Digital Pin 11 (see Figure 3-3).
Figure 3-3. The circuit for Project ...
Get Beginning Arduino now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
