Ed Nauman had a problem. When he worked in his garage machine shop, the noise levels were often so loud he couldn’t hear the doorbell. He resolved the situation by creating a microcontroller-operated, pneumatically actuated doorbell, or a “Really Loud Doorbell.” He calls it RLD for short. He started with a heavy chunk of steel that would resonate as well as withstand the punishment from a pneumatic ram. It’s the beginning of a heavy metal doorbell!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — “Nerds and Rockers to Face Off in a Queens Parking Lot”
Wearables — Resistance is futile
Electronics — 1, 2, 3, Freeze!
Biohacking — Biohacking Events this Week
No comments yet.
Sorry, the comment form is closed at this time.