无极限手环，是一开源蓝牙智能手环项目。由一群爱好蓝牙技术的朋友共同开发维护，我们将开源所有设计资料。

Dockerfile for OpenThread Border Router with Paho MQTT-SN

Keyboard Firmware for the Nordic nRF52 Series of Bluetooth SoC based on the Adafruit NRF52 Feather

A Nordic SoftDevice powered ANT+ library for the Arduino framework, intended to coexist with Adafruit Bluefruit52

Source Code for afantor bluefruit52 nRF52832 Core board for arduino.

Custom Kinesis Controller with Wireless BLE

Arduino library to draw text and graphics on BLE thermal printers

Feeling sound with tactile interfaces.

RejsaRubberTrac - A wireless thermal camera for monitoring tire temperatures

A library for connecting Bluefruit compatible boards to Neosensory hardware.

The Espruino JavaScript interpreter - Official Repo

nRF52840 small sensor Tag, Low power design, battery operated

Smoke Sensor Zigbee EndDevice TLSR8258

Copy of flashair-devepers.com

Simple non recursive, one way directory sync for Toshiba FlashAir SD cards, used in 3D printers.

Zigbee Ultra Low Power IOT Development Board

Clackety Keyboards Powered by Python

Demo code on the Display ST7735 with Nordic nRF52840

Anything I can find about the various nrf52840 usb dongles by Nordic, Arduino, Adafruit, Sparkfun and others

ZMK on nRF52840 dongle

Official Edge Impulse firmware for nRF52840 DK and nRF5340 DK

Sony Alpha BLE (Bluetooth Low Energy) Remote Protocol implemented on the NRF52840

Project using the Zephyr RTOS and Nordic nRF52840 DK board.

BLE Micro Pro is a breakout board of BL654(nrf52840 module) which is almost compatible with Pro Micro. This board is designed for wireless split DIY keyboards

Doom ported to a nRF52840-based BLE dongle

Wireless ergo-split keyboard, based on nRF52840 module.

The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.

An Open-Source FIDO U2F implementation on nRF52 SoC

UF2 bootloader for NRF52840