Creating an over-engineered random number generator with Arduino


Creating an over-engineered random number generator with Arduino

Arduino TeamMarch 17th, 2021

Often when working with Arduino projects, you’ll need to generate a random number. There’s a random() function built into the IDE that works acceptably in many cases, but maker_ATOM wanted to take things to the next level, creating an “over engineered true random value generator.”

This device sits on top of an Arduino Uno as a shield, and features input from a floating pin a seed value. It adds light input as a second seed value with an LDR, and ambient noise via a microphone as a third value. These are used to choose from an array of Pi digit values, which are also random, revealing outputs on its OLED display that would be exceedingly difficult to predict! 

More details on the project can be found in maker_ATOM’s Instructables post.

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