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Introduction

PrintGrandma is a simple implementation of an automatic thermal printer system for pictures made for my grandmother, inspired by Yayagram's project. You can find more of Yayagram project in instructables. In my case, the printing is automatic. My grandmother does not know how to read, does not have a smartphone and it has to be the easiest that it could be, so it will not be bydirectional, just one way. Any of the grandson/grandsister can send a picture to the telegram bot, and it will be printed automatically. Printed image Telegram bot screenshot

Core functionality

  • Telegram interface: to receive the pictures and save them for the printing queue.
  • Thermal Printer interface: Control the printer

Future functionality

  • Sound/Light notification.
  • Voice message replay

Installing

$ pip install -r requirements.py

Environment variables configuration

Note that at least TELEGRAM_PRINTER_API_KEY and CHAT_ID_USER1 environment variables should be inside /etc/profile file:

$ export TELEGRAM_PRINTER_API_KEY="fadfadffs432432"
$ export CHAT_ID_USER1="123213123"

Usage

$ sudo -E python printgrandma.py
#-E to use user environmental variables set in /etc/profile

Getting help or sharing your idea

Ask questions by opening a discussion.

License

MIT