Story on the line

Description

Old rotary dial phones are difficult to reuse on the modern phone network, so why don't reuse them to tell stories ?
Most people know how to use the rotary dial interface, and how to listen on the phone.

So I decided to revamp these old devices, using simple Arduino/MP3 player stuff, and old cables (like a cyborg, the modern circuit is plugged at strategic spots of the old one).

A SD card slot located under the phone lets users change the sounds whenever they want.

More details on the Github (in French) : https://github.com/samy/une-histoire-au-bout-du-fil/tree/main/Boite_a_histoires_U43

Components

1 × Seeeduino Xiao

1 × DFPlayer

1 × 220-5V converter

Discussions

farrell.segall wrote 06/24/2022 at 01:50

I have been modifying these old guys for years - great project.
I decode the 10 pulse dialled digits with a pic 10f202 Microchip device and send a digital message to a BY8301-16 player

All run off either 3 x AAA cells or a 5V USB 18650 recharge pack

Hook switch powers up and message "0" is dialtone and a "put back the receiver" message followed by a loud "off-hook" tone after 20 seconds

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Samy Rabih wrote 06/24/2022 at 09:40

Great project ! I'm preparing new version of my phones to add "audio recording" capabilities :)

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Pixelbo wrote 06/23/2022 at 09:56

Super projet!

J'ai le même téléphone mais je l'utilise pour contôler les volets et les lumières de ma maison.

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Samy Rabih wrote 06/24/2022 at 09:40

Oh, tu passes par quoi pour commander tout ça ?

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Pixelbo wrote 06/24/2022 at 10:17

Un ESP32 devkit (azdelivery) qui gère tout, ducoup on a deux modules radios, un tx-saw mid/3v qui envoie les commandes en 433MHz et un autre qui récupère les signaux des télécommandes 433MHz lambda que tu retrouves partout. Aussi puisque l'ESP est connecté à notre wifi, on l'utilise pour communiquer avec Alexa avec la lib Fauxmo esp, ducoup on peut dire alexa ferme les volets et ça les ferme. Je ferais un post bientôt sur ce projet

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Story on the line

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