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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