The Raspberry Pi Foundation is a charity founded in 2009 to promote the study of basic computer science in schools, and is responsible for developing the famous single-board computer called the Raspberry Pi. 
 
 
RASPBERRY PI FOUNDATION 

Raspberry Pi 2 Model B

 
 
RASPBERRY PI FOUNDATION 

Raspberry Pi Sense HAT

 
 
RASPBERRY PI FOUNDATION 

Raspberry Pi 3 Model B