Tiny LoRa GPS Node Relies on ESP32
Originally published on hackaday.com by Lewin Day on 30 February 2099
The Powerfeatherdev project introduces a compact and efficient satellite navigation tracking device, designed for scenarios where long-duration, low-power tracking is essential. Central to this build is the ESP32-S3 PowerFeather board, chosen for its advanced power management capabilities. This board allows the device to operate on minimal power, even supporting solar-powered configurations that actively manage battery levels, making it a great choice for remote or off-grid applications. This power-saving approach is key for extended tracking in areas where frequent recharging isn’t feasible.
For positioning and transmission, the device integrates GPS and LoRa modules mounted on a secondary “wing” PCB that attaches to the PowerFeather, similar to Arduino shields or Raspberry Pi HATs. This small form factor, comparable to the size of a single AA battery, enhances portability while reducing overall footprint, allowing it to be deployed discreetly or in compact spaces.
Functionally, this design is a powerful yet super-miniaturized GPS tracker, capable of long-range communication over a LoRa mesh network. This setup is ideal for applications that require consistent location tracking over extended periods without reliable access to charging, making it suitable for everything from wildlife tracking to off-grid asset monitoring. Additionally, the LoRa communication ensures that data can be relayed across a low-power mesh network, further extending its potential for remote operations.
Ultimately, for anyone involved in projects needing sustained, low-power tracking, this ESP32-S3 PowerFeather-based build offers a promising, self-sufficient solution. Its efficiency in power consumption combined with the small, convenient package provides a high-functioning option for hobbyists and professionals alike aiming to create reliable navigation tracking systems.
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