Blog

Reads for people who'd rather build than browse.

Tutorials, comparisons, and the occasional debugging war story — across Arduino, Raspberry Pi, STM32, ESP32, AVR/ARM, and the AI/ML projects running on top of them.

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Tools

Soldering irons: temp-controlled vs fixed

Where the upgrade actually pays off.

5 min read

IoT

Sending sensor data to the cloud without a server bill

MQTT, a free-tier broker, and a dashboard you can build in an afternoon.

9 min read

Tools

Bench power supplies for a home lab

What you actually need below ₹10,000.

6 min read

Tools

USB logic analyzers under ₹3,000

Three budget options, tested against a known-good signal.

7 min read

Programming

Reading a datasheet without losing your mind

A practical order to read sections in, and what to skip on a first pass.

8 min read

Hardware

ESP32 vs STM32: picking the right MCU

Wi-Fi, power draw, and peripheral count — the three questions that actually decide it.

11 min read

AI & ML

Running a tiny ML model on a microcontroller

What TinyML actually fits in 256KB of flash, and what doesn't.

13 min read

Boards

The ESP32-S3 dev boards worth buying

Six boards, one breadboard, and a lot of soldering.

9 min read

Debugging

Debugging I²C with nothing but a logic analyzer

Reading clock stalls, NACKs, and address collisions off a real capture.

14 min read

Getting started

Your first week with an STM32 dev board

Toolchain setup, blinking an LED, and the registers worth understanding early.

10 min read