A microcontroller-operated, pneumatically actuated doorbell... or a "Really Loud Doorbell."

June 24, 2011

1 Min Read
Gadget Freak Case #189: The Microcontroller-Operated, Pneumatically Actuated RLD

A microcontroller-operated, pneumatically actuated doorbell... or a "Really Loud Doorbell."

Sign up for the Design News Daily newsletter.

You May Also Like