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Meshtastic Solar Node with 5W panel — zdjęcie 1
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Meshtastic Solar Node with 5W panel

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Finn

Finn

@Finn_1257077

A small and easy to print and assemble Meshtastic solar node for a 136 x 110 mm 5W solar panel.

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Źródło
Printables
Kategoria
Electronics
Licencja
Creative Commons — Public Domain
SzczegółyPliki (10)Wydruki i komentarze (Wydruki: 0) (Komentarze: 0)Remiksy (0)Kolekcje (14)Powiązane

A improved version of my Meshtastic solar node: Easy to print, less parts required and stronger antenna thanks to N-connector.

Instead of a 10 W panel in a 45 degree angle this node now is using a 5W panel in a 30 degree angle. 

Print everything in PETG with 4 perimeters - except for that ring which acts as seal and needs to printed in TPU, it keeps the N-connector of the antenna dry. If you don't have TPU maybe try to wrap some other foam- or rubber-like insulation around.

This model comes with 3 different back plates:

  1. BackPlateMastHolder: Print this if you want to attach it to an antenna mast or something similar

  2. BackPlateForZipTies: Has holes for attaching using 2 zip ties horizontally or vertically

  3. BackPlateForZipTies - 60mm Mast: Same as number 2 but U-shaped cutouts so it fit's a 60mm mast or pole.

Drill 2 holes in the junction box on the short sizes:

  1. N-Connector: 16 mm diameter, center should have 14 mm distance from upper edge (if you drill the hole in the center the coax cable will collide with the battery holder).

  2. M12 gland: 12 mm, almost center, maybe a few mm to the upper edge

Parts required:

Parts needed (AliExpress mostly):

  • Junction box 115mm x 90mm x 55mm: Link

  • M12 gland: Link

  • 8 M4 brass heat inserts: Link

  • 12 M4 screws in different sizes (6x 6mm, 2 x 12mm, 4 x 30mm), 2 washers: Link or a set like this

  • 18650 battery case, parallel (for 4 batteries): Link

  • 18650 batteries (preferably LiFePo4 or maybe Li-Ion)

  • 1 U.FL/IPEX to N cable, 5cm: Link

  • MPPT solar charger board: Link
    (this one is adjustable to different battery voltages (3.65 V for LiFePo4 or 4.2 V for Li-Ion, use bright sunlight and a multimeter)

  • Battery undervoltage protection board: Link

  • 5W solar panel: Link

  • Antenna mast holder (optional - using zip ties possible too): Link

  • JST 1.25 cables: Link

If you want to make your own antenna, you can check my N connector PVC conduit adapter: https://www.printables.com/model/1540208-n-connector-antenna-adapter-to-20mm-pvc-conduit

Tagi

meshtastic