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MMDVM HS Dual Hat Duplex Hotspot + OLED + Rpi v3B + Fan

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MMDVM HS Dual Hat Duplex Hotspot + OLED + Raspberry Pi v3B + Fan
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updated March 7, 2025

Description

PDF

MMDVM based HAM radio hotspot.

See original project description and differences section (below on the page) for this project.

Using https://www.pistar.uk/ software. Note - solder JP1 pins on hat together to be able to upgrade hat firmware from pistar web gui.

 

Directories:

  • v1 - this project
  • org - original bottom part of case and standoffs

 

Tags

hotspot mmdvm pistar

Model origin

The author remixed this model.

MMDVM DUPLEX PI CASE REMIX V2 / v3 / v4
by baddad1776 (thingiverse.com)
 

Differences of the remix compared to the original

  • adjusted for different hat variant (slightly different position of antennas and OLED screen) - https://aliexpress.com/item/33001443435.html
  • screen closer to front face (so there is no hole between case and screen)
  • lower height of top cover
  • 30x30x7 5v fan, soldered wires to +5v and GND GPIO pins
  • cover for the fan

License