Modules add functionality to Arduino projects much like Shields.
This is an easy to use library to add RTC to an Arduino. http://www.rinkydinkelectronics.com/library.php?id=73
Photoresistors are analog sensors that allow your Arduino to determine the level of light in an environment. Note: You can use either 5 or 3.3 volt power for this project, and you can use different […]