NuppiNode - Meshtastic/Meshcore flagpole cap radio enclosure
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65mm flagpole cap radio equipment enclosure with N female bulkhead connector base and zip-tie perforated plates
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
This is a replacement flagpole cap for typical Finnish 65mm flag poles.
I used 25x25mm N female bulkhead connector to connect 5.5dbi antenna:
https://www.aliexpress.com/item/1005008984322302.html
Rough schematic for my setup:
12V lead gel battery --> 2A fuse --> 12V to 3.3V step-down module (adjustable) --> heltec v3 with Meshtastic firmware --> cheap saw filter --> bulkhead n type female connector --> 5.5dbi antenna. Ask for details if needed. Remember to use a fuse when dealing with 12V batteries, also tie all the stuff down with zip ties, wind will shake everything so you don't want a short up in your flagpole.
Print the enclosure with ASA/PETG or some else filament that endures UV rays. When attaching the top to bottom, use some glue that can withstand UV radiation also.
Improvement ideas:
modify the bottom part to be freely rotating, also considering the 12V wiring. Freely rotating enclosure would help the actual purpose of a flagpole - letting the flag fly freely.
press-to-open latches for the top part to lock in place instead of using glue for securing the top to bottom.