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Parts list
| Part | Link |
|---|---|
| Waterproof box $9.99 in original notes | View part ↗ |
| N connector $6.94 in original notes | View part ↗ |
| RAK4631 starter kit $34.87 in original notes | View part ↗ |
| ALFA antenna $17.97 in original notes | View part ↗ |
| Solar panel $15.99 in original notes | View part ↗ |
| 6000 mAh battery $13.19 in original notes | View part ↗ |
| Self-fusing silicone antenna tape $6.49 in original notes | View part ↗ |
| RTV silicone sealant $5.99 in original notes | View part ↗ |
Build process
- Prepare the RAK4631
Seat the RAK4631 on the WisBlock base and temporarily connect the supplied LoRa and Bluetooth antennas for bench testing.
- Install the U.FL to N-female path
Press the U.FL connector straight onto the LoRa socket, route the coax gently and mount the N-female bulkhead through the enclosure.
- Connect the battery
Connect the battery to the BAT port only after checking connector type and polarity. Never force a mismatched JST plug.
- Connect solar
Route the panel to the board solar input using the correct connector and polarity. Verify the panel voltage is appropriate for the board before connection.
- Mount and seal
Secure the board and battery so they cannot shift. Seal the RF bulkhead and solar-wire entry with RTV; wrap the exterior antenna joint with self-fusing silicone tape.
- Flash and configure
Install the current official RAK4631 build of MeshCore or Meshtastic, set the correct region, and configure the node role for your intended deployment.
- Test and deploy
Confirm messaging, charging and battery behavior on the bench, then mount high with the antenna vertical. Monitor the first several days of solar performance.
Build notes
- *Prices are from the original build notes and will change.
- RAK4631 is a low-power platform that is a good fit for solar deployments.
- Use current official firmware documentation rather than relying on an old firmware filename or version.
- Do a controlled water test before permanent outdoor deployment.
This guide was adapted from No Bars Club's working build notes. Product availability, pricing and firmware can change, so verify compatibility before ordering or powering hardware.
Open Notion source ↗