How Much Signal Do Building Materials Block? Real Bluetooth LE Measurements
We tested ABS plastic, ceramic tile, drywall, insulation, and aluminum in a $4,000 RF chamber. How much does each block Bluetooth LE at 2.4 GHz?
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Inside the RF Chamber — Episode 1: How Much Signal Do Building Materials Actually Block?
How much signal do common building materials actually block? We tested five materials inside a $4,000 RF shielded chamber with real Bluetooth LE measurements.
Meet the Nordic nRF54LS05: The Cost-Optimized Entry Point to the nRF54L Series
Nordic nRF54LS05A and LS05B: entry-level Bluetooth LE SoCs with 128 MHz Cortex-M33, 508 KB NVM, and ultra-low power for sensors, beacons, remotes.
Tutorial
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Integrate Hubble Network on your nRF54L15 for Global Connectivity
Learn how to connect your Bluetooth LE devices to Hubble Network's global IoT infrastructure—90M+ smartphone gateways—using Nordic's nRF54L15 and the reference app.
nRF Sniffer Guide - Part 3: Analyzing Bluetooth LE Connections
Capture and analyze Bluetooth LE connections with nRF Sniffer and Wireshark. Covers CONNECT_IND, Link Layer procedures, and ATT/GATT operations.
Inside the RF Chamber — Episode 0: The Complete Test Walkthrough
Hands-on first test of a Ramsey STE3000M RF shielded enclosure with a BleuIO Bluetooth LE dongle, with door open vs closed scan results.
Inside the RF Chamber — Episode 0: Can an RF Shielded Enclosure Really Block Bluetooth LE Signals?
I tested a Ramsey STE3000M RF shielded enclosure with a Bluetooth LE dongle. Door open vs. closed scan results show dramatic signal isolation.
Bluetooth Channel Sounding: Proximity Unlock Demo with Pixel Watch
Build a proximity Mac unlock with Bluetooth Channel Sounding, a Pixel Watch 4, Silicon Labs xG24, and Python. Video demo and source included.
BLE Sniffer Basics + Comparison Guide (Updated 2026)
A Bluetooth LE sniffer is one of the most crucial tools that every Bluetooth developer should have on hand.
Why I Built My New Bluetooth LE Course with BleuIO and AT Commands
After years of SDK-based Bluetooth LE training, I found a faster way. Here's why seeing both sides of the connection makes the protocol click.
Introducing BleuIO Explorer: A Free Web-Based Bluetooth LE Debugging Tool
BleuIO Explorer is a free, browser-based Bluetooth LE debugging tool. Scan for devices, explore GATT services, read/write characteristics.
Getting Started with BleuIO: Your First Bluetooth LE Commands in 10 Minutes
Learn Bluetooth LE the easy way: no SDK, no embedded C, no compilation. Get your BleuIO dongle scanning in under 10 minutes with simple AT commands.