Blog | Rabimba Karanjai

WebAI Badge Studio: Espruino at Google WebAI Summit

Mon, 02 Nov 2026 00:00:00 +0000

How a 45-minute portrait queue turned into a live USB-C hardware hack, a bit-exact 96,000-byte 2bpp BWYR codec, surgical .bootcde firmware patching, and an open-source WebAI Badge Studio running LiteRT-LM and MediaPipe over WebGPU.

Racecraft: Fine-Tuning Gemma 4 with DPO for Sub-150ms On-Device Coaching at 130 MPH

Sun, 02 Aug 2026 00:00:00 +0000

Racecraft: Tale of Car Sensors

Sat, 01 Aug 2026 00:00:00 +0000

AEGIS-CHAOS: From 'Vibe Coding' to Closed-Loop SRE

Sun, 19 Jul 2026 00:00:00 +0000

Splitting the Brain to Beat the Clock

Thu, 25 Jun 2026 00:00:00 +0000

The Throughput Trap: Benchmarking vLLM on OpenXLA and the Reality of Production LLM Serving

Thu, 25 Jun 2026 00:00:00 +0000

Teaching the Coach to Read the Driver

Mon, 15 Jun 2026 00:00:00 +0000

Racecraft (Project Koru) · Prologue — The Origin Story

Wed, 10 Jun 2026 00:00:00 +0000

I wrote about Project Koru (Racecraft) and how we built an AI Race Coach at Sonoma Raceway with Google Developer Experts. The post covers the origin story, the technical stack, and what we learned building real-time AI coaching at 100 mph.

Featured by Google:

— Google Developers Blog (July 2026)
— Google Developers Blog (January 2026)
— official Google video on YouTube

The 800-Millisecond Problem

Wed, 10 Jun 2026 00:00:00 +0000

The Blind Spot Horizon: Why Your AI Benchmarks Are Lying to You

Tue, 09 Jun 2026 00:00:00 +0000

My Friend's MRI Didn't Come with a Manual, So I Built One with AI

Mon, 18 May 2026 00:00:00 +0000

The Hidden Performance Trap in Causal Ring Attention

Thu, 07 May 2026 00:00:00 +0000

Unboxing Gemma: High-Throughput Sparse Autoencoder (SAE) Training on Google Cloud TPU v5e

Sat, 02 May 2026 00:00:00 +0000

Building a Multimodal Document Intelligence Pipeline with Gemma 4 E2B

Thu, 02 Apr 2026 00:00:00 +0000

[Read full post →]( a Multimodal Document Intelligence Pipeline with Gemma 4 E2B.html)

The Gemma 4 E2B Fine-Tuning Cookbook

Thu, 02 Apr 2026 00:00:00 +0000

Write Once, Scale Everywhere

Mon, 23 Mar 2026 00:00:00 +0000

Visualizing the Invisible: How Nano Banana 2 Turns Dense Science into Stunning Art

Thu, 26 Feb 2026 00:00:00 +0000

A Split‑Brain Neuro‑Symbolic Training Method for High‑Velocity Autonomous Coaching from Telemetry

Thu, 18 Dec 2025 00:00:00 +0000

Fine-Tuning at the Redline: Architecting a Trustable AI Racing Coach

Thu, 18 Dec 2025 00:00:00 +0000

The Context Trap: Why Scaling Laws Can’t Break the Ceiling of Uncertainty

Wed, 26 Nov 2025 00:00:00 +0000

Building Production AI Systems with Free Cloud GPUs

Tue, 18 Nov 2025 00:00:00 +0000

🎤 SpeakWise: Build an AI Public Speaking Coach with Gemma 3n

Tue, 01 Jul 2025 00:00:00 +0000

From Models to Agents: Shipping Enterprise AI Faster with Google’s MCP Toolbox & Agent Development Kit

Wed, 18 Jun 2025 00:00:00 +0000

Build Smarter AI Agents Faster: Introducing the Google Agent Development Kit (ADK)

Wed, 09 Apr 2025 00:00:00 +0000

Deep Dive into the Google Agent Development Kit (ADK): Features and Code Examples

Wed, 09 Apr 2025 00:00:00 +0000

My Google I/O 2024 Adventure: A GDE's Front-Row Seat to the Gemini Era

Wed, 05 Jun 2024 00:00:00 +0000

MovieBuff: Dive Deeper into Movies with Generative AI

Sun, 31 Mar 2024 00:00:00 +0000

Curious case of Cisco AnyConnect and WSL2

Fri, 20 Jan 2023 00:00:00 +0000

Immersive Payment: Second Update

Wed, 12 Jan 2022 00:00:00 +0000

Immersive Payment: First Update

Tue, 04 May 2021 00:00:00 +0000

Road to the Grant : Immersive Payment

Fri, 02 Oct 2020 00:00:00 +0000

Attack of the Clones (Part 1): Drishti and vMeet

Tue, 28 Jul 2020 00:00:00 +0000

Handling Web Server file permission: The Last Guide

Wed, 03 Jun 2020 00:00:00 +0000

Help finding a cure for COVID19: Set up Folding@Home

Tue, 24 Mar 2020 00:00:00 +0000

Blocking Communication - A perspective from India : The Beginning

Tue, 06 Aug 2019 00:00:00 +0000

Blocking Communication - Breaking Out

Tue, 06 Aug 2019 00:00:00 +0000

Visualizing large scale Uber Movement Data

Tue, 27 Nov 2018 00:00:00 +0000