A.K.A The King of Ding.

Here’s how I made “Clarence 2.0”, the internet-connected call bell. Clarence lives at a local non-profit radio station, and every time a donation is given online, the bell dings!

How does it do that? Well, watch the video and find out.

‘Pi Bell Slapper’ project on GitHub: https://github.com/geerlingguy/pi-bell-slapper

Related videos:

• Aaron Patterson’s Analog Terminal Bell: https://www.youtube.com/watch?v=uG8VpN6Z_YA
• Original ‘pi bell slapper’ video: https://www.youtube.com/watch?v=Etr7uIL9spg

Parts used to make this bell (affiliate links):

• Raspberry Pi Zero W: https://www.raspberrypi.org/products/raspberry-pi-zero-w/
• Micro USB power adapter: https://amzn.to/3zGpCrL
• 5V Push-pull solenoid: https://amzn.to/3cYFxI2
• Double-sided prototyping board: https://amzn.to/3zTqrxE
• 30V 150A MOSFET: https://amzn.to/3iYr3Mj
• 1A 50V Diode: https://amzn.to/3wNcJtY
• 10K Ohm Resistor (grab out of a resistor kit from anywhere)
• Electronics hook-up wire: https://amzn.to/3xEUxCS
• 2x4 8-pin female headers: https://amzn.to/3vLDa1O

Tools I used:

• Weller WES51 Soldering Station: https://amzn.to/3iUX6g8
• Adjustable Circuit board holder: https://amzn.to/35CrgNo
• Ender 3 v2 3D Printer: https://amzn.to/3xGxojo

Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

#InternetofDings #RaspberryPi #Bell

Contents:

• 00:00 - One ding only.
• 00:54 - Why a bell?
• 02:08 - Clarence 2.0
• 03:21 - Breadboard circuit
• 04:22 - ding.py
• 05:03 - YAY! It works.
• 05:23 - Soldering on protoboard
• 06:18 - 3D printed enclosure
• 07:01 - Testing and delivery
• 07:32 - Wrap-up and outtakes

#raspberry-pi