
24g2usb pico2w
joypad-ai/joypad-os
Universal controller firmware for building adapters, dongles, and custom controllers.
KiCad boards from 78 GitHub repositories tagged “bluetooth”, the most starred first; open any of them in PCBKit.

joypad-ai/joypad-os
Universal controller firmware for building adapters, dongles, and custom controllers.

tenderlove/initial-v
It's a BMW shifter converted to a Bluetooth Keyboard that you use with Vim

W0rthlessS0ul/nRF24_jammer
The nRF24 jammer is a powerful tool that requires an ESP32 and configurable numbers of NRF24 modules to assemble.

doudar/SmartSpin2k
Transform your spin bike into a Smart Trainer!

Nicell/Dissatisfaction-65
A 65% QMK Bluetooth keyboard with an OLED and encoder

BG6LH/FT-81x-BT-DIGI-Adaptor
A PCB Design of Bluetooth DIGI Adaptor for Yaesu FT-817/818 Series Transceivers

ricardoquesada/unijoysticle2
Bluetooth gamepad support for the Commodore 64 / Atari / Amiga, etc.

Ladniy/jiran-ble-lite
Wireless ergo-split keyboard, based on nRF52840 module.

dzid26/ESP32-DualCAN
Dorky Commander - open source alternative to S3XY Commander - S3XY commander or just the [harness](https://www.enhauto.com/products/tesla-cable-gen-2-new) is required:

MangoIV/le_chiff_ble
A drop-in replacement-PCB for the beautiful le_chiffre

17o2/bluetooth-minidisc
Adding built-in bluetooth connectivity to a 20-year-old Mindisc player


demik/quack
Bluetooth and ADB Mouse Converter for Macintosh 128/512/Plus, Apple Lisa and Apple IIc


DAlexis/caustic-lasertag-system
Caustic project is a full-featured indoor and outdoor lasertag system



FilMarini/bigbanger
An ESP32-based Bluetooth-enabled scaling device for climbing training,compliant with the Tindeq Progressor API, with firmware available in Micropython or Rust.

gblach/HexGateway
An internet gateway for Bluetooth LE, OpenThread and/or Zigbee devices.

mpfisher69/R2R-Bluetooth-Remote
An open source repository of Bluetooth Remote Controller for Reel-to-Reel tape recorders and vintage cassette decks.

jamdotjar/ULTRATERM
A portable bluetooth music player based on ULTRAKILL

cajunpanda/bluetooth-nes-advantage
A bluetooth mod for the NES Advantage classic controller.

phancak/ESP32P4C5_Board
This dual-MCU repository features a heterogeneous architecture pairing an ESP32-P4 application processor with an ESP32-C5 Wi-Fi 6/BLE hub.

theheraldproject/herald-hardware
Permissively licensed opensource hardware designs for Herald powered wearables and beacons. Supports digital contact tracing and other eHealth approaches.