Nordic nRF524 projects
Nordic nRF52 Wearables & Portable Projects
Smartwatches, badges, fitness devices, handheld consoles, and pocket tools. Built with Nordic nRF52.
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ESP32
Open firmware that makes cheap LoRa boards into an off-grid encrypted text mesh, paired with your phone.
Beginner·Cost varies·Code
4 parts listed
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NRF52NRF52832
The community FreeRTOS firmware that turns the $30 PineTime (nRF52832) into a fully open smartwatch.
Beginner·Cost varies·Code
1 part listed
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NRF52NRF52840
An open Pro Micro-shaped nRF52840 board that lets you build wireless ZMK/QMK keyboards.
Intermediate·Cost varies·Code
2 parts listed
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NRF52NRF52840
Zephyr firmware that turns an nRF52840 into an Apple Find My network accessory using OpenHaystack.
Intermediate·Under $15·Code
2 parts listed