DIY Antique Phone Doorbell using Arduino




Bryan Zimmer emailed us this fantastic retro-themed DIY hack, a most timely submission as we just revisited the noir art deco-science fiction classic Dark City and we think this would have perfectly fit in the world (or in Adama’s quarters on BSG). Bryan gives step-by-step instructions of how he converted a 1940’s Swedish-made Ericsson bakelite original into a wireless doorbell…

Antique Phone Doorbell




This project combines a battery-operated doorbell, antique phone, Arduino, and subscriber line interface circuit (SLIC) to make a wireless doorbell. Readers are taken through basic phone restoration, creation of a custom doorbell button transmitter, modification of the receiver, workings of the SLIC, and description of the Arduino code. Readers must know how to read a schematic, but soldering and other electronics knowledge are optional. This project will be of interest to those who like to customize their home or office, people who like to repurpose antiques, and those who have been wondering how to ring a phone with an Arduino or other microcontroller.

Antique Phone Doorbell Schematic

I’m a sucker for cool looking antiques that are functional and still useful, so I was intrigued. Companies don’t put the same aesthetic design effort or build quality into their products these days, which is part of the reason why I like antiques. And who doesn’t like that hearty, crisp, old-timey sound of an actual bell ringing in a phone? Not this red blooded American, I’ll tell you that. I was just about to buy it when I saw the price. $395! Highway robbery!

Being the Do It Yourselfer and cheap bastard that I am, I headed to eBay to find one I could restore myself. Lucky for me someone was selling one and I picked it up for $10. I’ve only seen one other on eBay in the year since then, at it went for a lot more. I’ve seen websites that deal in antiques with a few for sale, typically for over $150. Suckers.

For more detail: DIY Antique Phone Doorbell using Arduino




This Post / Project can also be found using search terms:

  • diy arduino doorbell
  • door phone circuit
  • old telephone doorbell
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