What Exactly Is a Low Power Beacon? Imagine a matchbox that clears its throat once every second on the 2.4 GHz band, then dozes for the rest of the second.…
What Exactly Is a Custom Beacon? A custom beacon is a Bluetooth Low Energy transmitter that has been prised off the shelf, stripped of its generic plastic, and rebuilt to…
nRF 52840 Bluetooth Module: A First Look The nRF 52840 Bluetooth module is a postage-stamp slab of Nordic silicon wrapped in a 3.5 mm QFN package, yet it crams a…
What Exactly Is an Indoor Positioning Beacon? An indoor positioning beacon is a coin-sized radio that coughs out a 2.4 GHz Bluetooth Low Energy packet once every second. It never…
What Is a Proximity Beacon? A proximity beacon is a thumb-sized Bluetooth Low Energy radio that coughs out a short packet once every second, sometimes faster, sometimes slower. It never…
What Exactly Is an Asset Tracking Beacon? An asset tracking beacon is a palm-sized, battery-powered radio that shouts its name once every second, once every minute, or once every hour—whatever…
Bluetooth 6.0: A First Look at the Future In January 2024 the Bluetooth SIG quietly released version 6.0 of the core specification. On paper the jump from 5.4 looks incremental,…
What Exactly Is a Bluetooth Channel? When someone says “Bluetooth channel,” they usually mean one of the seventy-nine 1 MHz slices—or, in BLE, forty 2 MHz slices—that the protocol uses…
The Airwaves at 2.4 GHz Bluetooth lives in the 2.4 GHz Industrial, Scientific and Medical (ISM) band, a slice of spectrum shared by Wi-Fi, Zigbee, microwave ovens, baby monitors and…
Bluetooth Module: When the HC-05 Needs a New Life The HC-05 has been the go-to Bluetooth module for hobbyists and small-scale manufacturers for years. Its simplicity and rock-solid UART bridge…