# noble/bleno

A Node.js module for implementing BLE (Bluetooth Low Energy) peripherals

Repository: https://github.com/noble/bleno
Canonical: https://ross.abutalabs.com/products/bleno
Language: JavaScript
License: MIT
License Family: permissive
Archived: true
Last push: 2021-09-07T22:43:33+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4691, "days_push": 1821, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2139, forks 444 (observed 2026-08-28T04:06:18.242272+00:00)

## What it is
A Node.js library for implementing Bluetooth Low Energy (BLE) peripheral devices, letting JavaScript code advertise services and characteristics over BLE. It is the peripheral-side counterpart to the noble central module.

## Use cases
- create a BLE peripheral in Node.js
- simulate a Bluetooth LE device
- build a BLE beacon or GATT server
- expose custom BLE services and characteristics
- prototype IoT devices that advertise over Bluetooth
- test BLE central apps against a fake peripheral

## When to choose
- you need to emulate or implement a BLE peripheral from Node.js on macOS, Linux, FreeBSD, or Windows
- you want to advertise GATT services/characteristics programmatically for IoT prototyping or testing

## When to avoid
- you need a BLE central (scanner/client) role - use noble instead
- you need actively maintained software or newer Node.js/OS support, since the last release was in 2021
- you need BLE peripheral support on platforms outside the supported OSes

## Facets
- artifact type: library
- maturity: maintenance
- function: sdk, developer-tools
- domain: developer-tools, iot, hardware
- platform: windows, bsd
- tags: bluetooth-low-energy, ble-peripheral, gatt, beacon, nodejs-library, nodejs, linux, macos

## Member repositories
- noble/bleno (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:18.242272+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:51:34.852032+00:00, confidence not recorded.
  - readme: https://github.com/noble/bleno (fetched 2026-08-28T04:06:18.242272+00:00, sha 959754ea4e84)
- Data as of 2026-08-30T08:39:29.467469+00:00.