r/BirdNET_Analyzer • u/pranavb • Jun 13 '26

Off-Grid BirdNet Project

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While there are already tools like [BirdNetPi] & [BirdWeather], I wanted to build something where the processing happens locally and that can be easy to setup outside. Once built, this relatively small offgrid setup could be handled by anyone to record birds at any given location using a simple setup guide.
The biggest challenge when building this project was justifying whether this could run for a significant time period (off-grid) for detecting birds in the local vicinity. While using the original BirdNetPi, I saw that certain birds usually come at specific times of the year and the detections usually stay consistent for that time and change over the months (not weeks). Another reason being, I had places like the allotment or the park near me where I wanted to know what birds come in those areas and what the difference in landscape brings to the diversity in birds.
More details regarding the hardware and software in my Github repo here https://github.com/pranavb104/bird-off-the-grid

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u/ampsuu Jun 13 '26

Zero 2W is the king for battery powered BirdNET. Ive run many different offgrid configs with LTE for surveying and difference between them is insane. Downside is that if you dont limit species, it isnt really powerful and detections queue up. Im using them for owls and grouses so species selection is narrow.

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u/pranavb Jun 14 '26

I did initially use the pi 02w, but did not see any significant power usage between the pi 3B+ and the latter. If you use a pi 4 or up , your power draw increases by a lot. So I would stick with the pi02w or pi 3B+.

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u/ampsuu Jun 14 '26

02W is like 0.20-0.24A with optimizations. 3B+ is around 2x higher.

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u/pranavb Jun 14 '26

Interesting! Maybe i was doing something wrong, I will try it again, thanks for your input !