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Can I use Arudino Uno instead of  the Arduino pro mini 328? 
I am interested in the following Project so please help 
 
http://www.engineersgarage.com/contribution/intelligent-letter-box-using-arduino-and-gsm

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caitlinsdad

4 years ago

Just by looking at the specs for a pro mini 328, it is a tiny barebones version of the UNO without header pins and onboard USB. The functionality should be the same so you should be able to use it for your project. Adjust the UNO for the voltage of your add-on components. Good luck.