#ble articles | Hashnode

SISHINGO IGUCHIuwb.hashnode.devJul 28 · 10 min read

UWB vs NFC vs BLE vs RFID — A Comparison for Vehicle Access

The last three posts in this series went deep on UWB — the physical layer, the channel environment, the angle of arrival math. That depth is useful, but it can also obscure a more basic question: why

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Ccircuitrockscircuitrocks.hashnode.devJul 8 · 2 min read

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

What would your ideal smartwatch look like if you owned every sensor reading and every line of firmware inside it? That is the question GitHub maker Spectrewolf777 set out to answer with the Stm32l4-W

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SShravanblog.shravanrevanna.meJun 18 · 7 min read

I Reverse-Engineered My ₹2k Mi Band to Read My Heart Rate Live on My Mac and Sync with Smart lights

TLDR: I cracked the Bluetooth protocol on a Mi Band 5 - auth handshake and all, to stream my live heart rate into my own code, built a real-time dashboard for it, and got it to push notifications back

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GGitHubOpenSourcegithub-open-source.hashnode.devFeb 7 · 3 min read

Stop the Invisible Trackers: Meet the Bluetooth Radar Project

📝 Quick Summary: MetaRadar is an Android application designed for monitoring and analyzing Bluetooth Low Energy (BLE) environments. It allows users to scan for BLE devices, track their presence, analyze their GATT services, and receive real-time ale...

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NVNikheel Vishwas Savantfreecodecamp.orgFeb 4 · 60 min read

How AOSP 16 Bluetooth Scanner Works: The Ultimate Guide

Ah, Bluetooth. The technology we all love to hate. It's like that one friend who's always just about to connect, but then... doesn't. For years, Android developers have been locked in a dramatic, often tragic, romance with Bluetooth. We've wrestled w...

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JTJunluan Tsuible-voice.hashnode.devJan 12 · 2 min read

Guide to Adding BLE Connection Passcodes for the KT1025A Bluetooth Chip

Introduction The BLE function of the KT1025A Bluetooth chip supports connection passcodes. By default, the passcode is fixed at 6 digits, and its length cannot be changed. In the default program, the passcode is set to 123456. Please note that each d...

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MMMohammed Mohsinblog.mohsin.xyzJan 2 · 11 min read

The Protocol Nobody Uses

I was staring at a packet capture, trying to figure out why my script wasn't receiving audio data. The device was clearly working. LED on. App showing audio levels. But when I subscribed to the audio characteristic—the standard approach for every BLE...

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AFAeon Flex / Splicer Scornchaincoder.hashnode.devDec 31, 2025 · 7 min read

From Bluetooth to Bots: The Quiet Takeover

There was a time when Bluetooth felt like a novelty. A strange little rune glowing blue on a flip phone screen. A headset that made you look like a background character in a bad sci fi movie. You paired it once, forgot the PIN, swore never again, the...

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Uudythincudythinc.hashnode.devNov 20, 2025 · 4 min read

Intelligence in door locks, joy in life - Bluetooth smart door lock solutions

In the current wave of digital life, smart home products have gradually integrated into the public, and smart door locks are an indispensable part. Smart door locks can allow users to completely bid farewell to traditional keys. Your fingerprints and...

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Uudythincudythinc.hashnode.devOct 29, 2025 · 1 min read

The nRF9160 SiP and nRF5340 SoC have passed PSA Level 2 certification, providing stronger security guarantees for the Internet of Things

The nRF9160™ Low Power System-on-package (SiP) and nRF5340™ advanced multi-protocol system-on-chip (SoC) products integrating LTE-M/NB-IoT modems and Global Navigation Satellite System (GNSS) have passed the Platform Security architecture The Archite...

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Trending tags this week

UWB vs NFC vs BLE vs RFID — A Comparison for Vehicle Access

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

I Reverse-Engineered My ₹2k Mi Band to Read My Heart Rate Live on My Mac and Sync with Smart lights

Stop the Invisible Trackers: Meet the Bluetooth Radar Project

How AOSP 16 Bluetooth Scanner Works: The Ultimate Guide

Guide to Adding BLE Connection Passcodes for the KT1025A Bluetooth Chip

The Protocol Nobody Uses

From Bluetooth to Bots: The Quiet Takeover

Intelligence in door locks, joy in life - Bluetooth smart door lock solutions

The nRF9160 SiP and nRF5340 SoC have passed PSA Level 2 certification, providing stronger security guarantees for the Internet of Things

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#ble

Explore Hashnode

Trending tags this week

UWB vs NFC vs BLE vs RFID — A Comparison for Vehicle Access

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

I Reverse-Engineered My ₹2k Mi Band to Read My Heart Rate Live on My Mac and Sync with Smart lights

Stop the Invisible Trackers: Meet the Bluetooth Radar Project

How AOSP 16 Bluetooth Scanner Works: The Ultimate Guide

Guide to Adding BLE Connection Passcodes for the KT1025A Bluetooth Chip

The Protocol Nobody Uses

From Bluetooth to Bots: The Quiet Takeover

Intelligence in door locks, joy in life - Bluetooth smart door lock solutions

The nRF9160 SiP and nRF5340 SoC have passed PSA Level 2 certification, providing stronger security guarantees for the Internet of Things