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HW features:

  • DIN male plug connector as the main connector- for power, MELBUS and audio.
  • Atmega328p/Atmega168 as controller
  • Linear voltage regulator
  • Stereo audio transformers for separate grounds
  • 3.5mm jack socket
  • Powered by HU? Maybe a small connector for external power? Both?
  • 4 pin UART + reset connector, small ICSP connector (or just pads) to burn bootloader.
  • Break out the spare GPIOs to control Bluetooth module / connect external buttons.
  • SMD parts for low-height footprint- it should just plug into HU.
simple_melbus_emulator-_sme.txt · Last modified: 2018/03/17 16:03 (external edit)