@nsavant

Nikheel Vishwas Savant

@nsavantJoined August 2025

Exploring the hidden layers of Bluetooth, AI, and Embedded Systems.

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freeCodeCamp Englishfreecodecamp.org/news17 posts

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NVNikheel Vishwas Savantfreecodecamp.org1d ago · 41 min read

A Deep Dive into Gabeldorsche: The Bluetooth Stack Android Rebuilt on Purpose

The Android Bluetooth stack spent about a decade being the reason your headphones disconnected during the good part of a song. Gabeldorsche is Google's attempt to fix that at the architectural level,

NVNikheel Vishwas Savantfreecodecamp.orgJun 1 · 60 min read

How to Build Bluetooth Applications with Zephyr OS: A Handbook for Devs

Your phone just connected to wireless earbuds, your smartwatch synced health data to an app, and a sensor somewhere in your building reported its temperature to a gateway. All of those interactions ha

NVNikheel Vishwas Savantfreecodecamp.orgMay 7 · 64 min read

How to Use SCons to Build Software Projects [Full Handbook]

If you've ever wrestled with Makefile syntax, fought tab-versus-spaces bugs, or tried to make a build system work across Linux, macOS, and Windows, SCons is worth your attention. It replaces Make, aut

NVNikheel Vishwas Savantfreecodecamp.orgMay 6 · 54 min read

QuRT: The Real-Time OS Inside Your Phone's Processor [Full Handbook]

The Hexagon DSP in every Qualcomm-powered phone handles wake word detection, sensor processing, noise cancellation, and Bluetooth audio streaming – all while the main ARM CPU runs Android. The operati

NVNikheel Vishwas Savantfreecodecamp.orgMay 6 · 47 min read

ITCM vs DTCM vs DDR: Embedded Memory Types Explained [Full Handbook]

Most embedded engineers hit this problem early on: the same code on the same processor runs fast in one scenario and surprisingly slow in another. The culprit is almost always where the code and data

Nikheel Vishwas Savant

About

Available for

Nikheel Vishwas Savant's blogs

Recently published

A Deep Dive into Gabeldorsche: The Bluetooth Stack Android Rebuilt on Purpose

How to Build Bluetooth Applications with Zephyr OS: A Handbook for Devs

How to Use SCons to Build Software Projects [Full Handbook]

QuRT: The Real-Time OS Inside Your Phone's Processor [Full Handbook]

ITCM vs DTCM vs DDR: Embedded Memory Types Explained [Full Handbook]

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Nikheel Vishwas Savant

About

Available for

Nikheel Vishwas Savant's blogs

Recently published

A Deep Dive into Gabeldorsche: The Bluetooth Stack Android Rebuilt on Purpose

How to Build Bluetooth Applications with Zephyr OS: A Handbook for Devs

How to Use SCons to Build Software Projects [Full Handbook]

QuRT: The Real-Time OS Inside Your Phone's Processor [Full Handbook]

ITCM vs DTCM vs DDR: Embedded Memory Types Explained [Full Handbook]