We are trying to build a circuit that can sense if a human is wearing the helmet(for motorbike) or not.....we are placing it inside the helmet so it needs to be really small. Which sensor should we use?

 

We are trying to build a circuit that can sense if a human is wearing the helmet(for motorbike) or not.....we are placing it inside the helmet so it needs to be really small. Which sensor should we use?

Are you being specific on purpose? Do you want to be able to differentiate between a human and a monkey?

 

Are you being specific on purpose? Do you want to be able to differentiate between a human and a monkey?

Or a soccer ball and a human skull? ... would said sensor be placed in the bike, the helmet, or atop a street light post?

 

One thread is enough.
https://forum.allaboutcircuits.com/...aring-the-helmet-for-motorbike-or-not.178869/