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Grandmaphone III with Mini Printer

Updated: Mar 7, 2023


Grandmaphone III is the latest installment of our Grandmaphone series designed with the elderly in mind. It is our mission to help the aging group to reconnect with the outside world with easy-to-use technology.


Developed by Casey Lee, this minimalism version, coming with only one button, is a great companinion for those with aged-related hearing problems. It comes with a mini thermal printer to print out incoming messages from families and friends. The built-in USB microphone allows the user to record and send voice note with ease. An 8-bit colorful and bright NeoPixel light is replacing the normal LED in previous versions.





Features:

  • Prints incoming messages on paper

  • USB Microphone for recording

  • One button control

  • Bright eye-catching NeoPixels

  • Minimalism, compact desgin

  • Easy to use


What you will learn:

  • Linux Operation System Basics

  • Use Python to record audio through USB microphone

  • Use Python to print texts from a thermal printer

  • Use Python to control NeoPixel lights

  • Use Python for button control

  • Telegram API to send messages

  • Telegram API to send audio

  • Telegram API to read messages

  • 3D design device enclosure

  • Wiring all the electronics

Demo Video





Picture Gallery:


Reading Telegram message through its API

Printing messages from the printer

Testing NeoPixels with a level shifter




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