Meshcore, Meshtastic, solar node, Heltec V4, V3, rak wireless, 18650 battery
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This is a micro solar node for meshcore and meshtastic. Powered by 65.1x65.1mm solar panel, x2 18650, and Heltec V4
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
I had a solar panel that would be a good use in this micro solar node. The area where I am located has 95% of sunny days so this panel is sufficient for this purpose. Two 18650 batteries can keep the node operational for 2-3 days with solar panel unplugged because I am using power saving firmware:
https://github.com/IoTThinks/EasySkyMesh/releases/tag/PowerSaving11
On top of that I installed lipo saver so the battery doesn't get damaged if the node ever runs of power.
No screws, just glued together. Planning to hang it under antenna and use antenna mount.
Parts used:
65x65mm solar panel
2x 18650 batteries in parallel
lipo saver (overcharge and overdischarge protection board for 1S)
NC reed switch in series with battery pack so I can reset the node
N type female pigtail
AOA 915-5ACM 5dBi antenna
3D filament
Exterior enamel paint (seals 3D print porosity and extends lifetime)
Silicone (to seal antenna connector, solar panel and the lid)