$10 Micro Meshtastic Node (XIAO nRF52840)
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The most cost-effective meshtastic/meshcore node you can build.
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution
I've been searching for a small enclosure for the nRF52840 kit. Seeed has a designed enclosure for the Esp32 variant, but it doesn't seem to work for the nRF52840 kit.
So--- Introducing my micro meshtastic node. It is one of the most cost-effective ($10usd) and simple nodes to build. Powered directly off your phone or USB power, Bluetooth or serial compatible, and I built it as small as I could with a spot for an 8x3mm magnet to hang it conveniently if needed. Pin trimming is needed to get the two boards as slim as possible.
Bill of materials
1x m3x20 machine screw
1x 8x3 magnet
1x Seeed NRF Kit (https://www.seeedstudio.com/XIAO-nRF52840-Wio-SX1262-Kit-for-Meshtastic-p-6400.html?sensecap_affiliate=URAOf6C&referring_service=link)
Optional antenna of choice and SMA pigtail
Optional lanyard loop
The entire build should be around $10.
Assembly tip: Insert the nrf board first and push on the wio board. If you try to put them in the enclosure assembled you will have a tough time tucking the USB C port in the right place.