This repository contains the code used to retrofit an old rotary phone and bring new functionalities, along with its fascinating vintage style.
You can find more details here: https://hackaday.io/project/184686-old-rotary-phone-retrofitting
On your local Arduino libraries folder create a folder vintagephone
and put all the files of this repository.
The files in the mp3-files
folder are the files that must be moved to the micro-sd card for the DFplayer mini.
The files in data
folder are uploaded by Arduino IDE to Wemos SPIFFS file system.