I built my own AirTag-like finder with this Raspberry Pi alternative – here’s how

September 12, 2025

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iLabs Challenger RP2040 UWB board — Adrian Kingsley-Hughes/ZDNET

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ZDNET’s key takeaways

Challenger UWB is powered by the Raspberry Pi Pico 2040 chip.
It allows for tracking accuracy down to 10cm.
Low power consumption makes it perfect for mobile applications.

Asset tracking is a big thing, whether that be vehicles, tools, or even people moving about a site, and while there are a number of off-the-shelf solutions available — the Apple AirTag being one that’s very commonly used — some…

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