Skip to main content

Shop
Learn
Blog
Forums
IO
LIVE!
AdaBox

Search

Sign In | Create Account
Playground
New Guides
Series
Wishlists

Shop
Learn
Blog
Forums
IO
LIVE!
AdaBox

Sign In

0

Learn Categories

3D Printing

AdaBox

Adafruit Products

Arduino Compatibles

Breakout Boards

Circuit Playground

CircuitPython

CLUE

Community Support

Components

Crickit

Customer & Partner Projects

Development Boards

Educators

EL Wire/Tape/Panel

Feather

Gaming

Hacks

Internet of Things - IOT

LCDs & Displays

LEDs

Machine Learning

MakeCode

Maker Business

micro:bit

Microcontrollers

Programming

Raspberry Pi

Robotics & CNC

Sensors

STEMMA

Tools

Trellis

Wearables

Explore

Groups to get your gears turning

Explore Groups
New Guides
Playground

Introduction to Bluetooth Low Energy Further Information

Introduction to Bluetooth Low Energy

A basic overview of key concepts for BLE

by Kevin Townsend

published March 20, 2014, last edited June 17, 2025

posted in Microcontrollers

Save

New Favorite

×

Please sign in to include this guide in your list of favorites.

You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites.

Close

Link Note Download

Introduction
GAP
GATT
Further Information

Single page
Feedback? Corrections?
Text View

Featured Products view all

Xinghuatian Tech Bluetooth® 4.0 USB Module

$11.95
Add to Cart
Getting Started with Bluetooth Low Energy by KTOWN
No Longer Stocked
Adafruit Feather nRF52840 Express

$24.95
Add to Cart
nRF52840 Bluetooth® Low Energy Module with USB

$12.95
Add to Cart
Adafruit Feather nRF52 Bluefruit LE

$24.95
Add to Cart

110

Beginner

Skill guide

Further Information

Bluetooth SIG Resources

Bluetooth Core Specification
Bluetooth Developer Portal
Officially Adopted BLE Profiles and Services
Officially Adopted BLE Characteristics

Page last edited March 08, 2024

Text editor powered by tinymce.

Related Guides

A blue Adafruit nRF52840 Feather board with a USB port, pin headers, and WiFi module. Various labeled pins and components are visible.

Introducing the Adafruit nRF52840 Feather

By lady ada

intermediate

Eighteen different Adafruit Feather boards are arranged in a grid. Each board features various components and connectors, such as microcontrollers and wireless modules.

Introducing Adafruit Feather

By lady ada

beginner

Logos for TinyUSB and Bluefruit are shown above icons of a computer mouse and keyboard.

Mouse and Keyboard Control Using TinyUSB and BLE

beginner

Diagram showing a BLE sniffer setup with an Adafruit nRF52840 board connected via USB CDC to a host computer. The computer runs Python3 with pyserial and nRF Sniffer plugin, interfacing with Wireshark using extcap.

BLE Sniffer with nRF52840

By Thach Ha

intermediate

A small purple robot with two wheels, featuring a Feather microcontroller on a Crickit motor controller and various connected wires, emits a purple light from its base.

CircuitPython BLE Crickit Rover

By John Park

beginner

A Feather nRF5280 Bluefruit Microcontroller board is connected to two 7-segment displays showing "6.P.77" in red and "PrCt" in blue. A green LED is lit on the board.

CircuitPython BLE Heart Rate Zone Trainer Display

By John Park

beginner

A rectangular black Feather microcontroller on a breadboard is connected to two servos with yellow tape. Two green LEDs are lit, indicating power or status.

Multi-tasking with CircuitPython

By Tim C

beginner

A finger interacts with a Touch Deck, a DIY Customizable TFT Control Pad touchscreen displaying various app icons on a custom-built device in a green 3D-printed case. A keyboard is partially visible in the background.

Touch Deck: DIY Customizable TFT Control Pad

By John Park

beginner

A demo gif of the wireless BLE remote controlling a YouTube video and then playing Doom

Doomscroll and Chill - A Wireless BLE Scroll Wheel...

By Liz Clark

beginner

A hand presses a key on a small electronic keyboard connected to a circuit board with wires. Another keyboard and a 3D printed speaker are in the background.

BLE Synth with the Feather nRF52840 and Circuit...

By Liz Clark

intermediate

A person uses a smartphone app to control a mechanical device mounted on a wall, which turns on a light switch.

BLE Light Switch with Feather nRF52840 and Crickit

By John Park

beginner

A smartphone displays Python code for sensor connections, next to a Clue board with a connected pink USB cable.

Wirelessly Code your Bluetooth Device with...

By M. LeBlanc-Williams

beginner

A custom-built 2 key macro pad with two translucent keycaps on a blue 3D-printed base, illuminated by purple LEDs. A braided cable is connected on the side.

Deco Two-Key Feather Macro Pad

By John Park

beginner

Wearable device on a person's wrist with a glowing LED indicator. The device is housed in a white rectangular 3D printed case.

BLE Vibration Bracelet

By Ruiz Brothers

beginner

Build a Bluetooth App using Swift 5

By Trevor Beaton

advanced

Adafruit IO: An IoT Service for Everyone, presented by Adafruit & DigiKey, with a city skyline and starry night background.

All the Internet of Things - Episode Four: Adafruit IO

By Biniam Tekola

beginner

Create Wishlist

×

Title

Description

Close

Search

Search

Categories

Contact Us
Tech Support Forums
FAQs
Shipping & Returns
Freebies
Terms of Service
Privacy & Legal
Website Accessibility
LLMs.txt

About Us
Press
Educators
Distributors
Jobs
Gift Cards

"They always say time changes things, but you actually have to change them yourself"

A Minority and Woman-owned Business Enterprise (M/WBE)