MicroTAC GSM/BT

Our parents’ first mobile phone, probably.

Background

These phones are cheap on eBay and elsewhere, and so are simple GSM/Bluetooth radio modules.

What it does

Makes and receives calls either by itself or as a Bluetooth extension to your existing mobile phone.

What it’s made of

Look for the MicroTAC models with the dot-matrix display – they’re way cooler.

Here are the models I have:

Theory of operation

Resources

  • https://www.adafruit.com/product/1946
  • http://mobile4dev.blogspot.com/2016/07/sda5714-led-display-working-with.html?m=1
  • http://www.picaxe.com/RTTTL-Ringtones-for-Tune-Command/
  • https://forum.arduino.cc/index.php?topic=53358.0
  • https://forum.arduino.cc/index.php?topic=225485.0
  • https://github.com/cefn/non-blocking-rtttl-arduino
  • https://adamonsoon.github.io/rtttl-play/
  • https://codepen.io/mog13/pen/WYRJQJ
  • https://www.pocket-lint.com/phones/news/131502-best-and-worst-nokia-phones-ever
  • https://hackaday.com/2017/01/16/shmoocon-2017-dig-out-your-old-brick-phone/
  • https://www.rtl-sdr.com/tag/amps/

Conclusion

UFanders

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