ESP32 Production Firmware

A 6-part deep dive. Follow along in order for the full picture, or jump to any part.

3 of 6 parts published · ~27 min total

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3 published

8 min

#ESP32#FreeRTOS#ESP-IDF

Embedded Systems

ESP32 and FreeRTOS: Why Your Arduino Loop Is Holding You Back

The Arduino loop() runs one thing at a time. FreeRTOS runs many — simultaneously, reliably, with priorities. Here's why every serious ESP32 project needs it.

Rajath Kumar·Jun 20, 2026

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10 min

#ESP32#FreeRTOS#ESP-IDF

Embedded Systems

ESP32 Memory Architecture: IRAM, DRAM, Stack, and Heap Explained

Stack overflows are the #1 silent killer of ESP32 production firmware. Understanding IRAM, DRAM, stack and heap allocation is the foundation of stable firmware.

Rajath Kumar·Jun 23, 2026

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9 min

#ESP32#FreeRTOS#Dual Core

Embedded Systems

ESP32 Dual-Core Task Pinning with FreeRTOS: A Production Guide

Most ESP32 tutorials ignore dual-core pinning entirely. Here's how production firmware uses both cores — with real task allocation patterns from the field.

Rajath Kumar·Jun 26, 2026

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Part 4 — Coming Soon

This part is in progress. Stay tuned!

Part 5 — Coming Soon

This part is in progress. Stay tuned!

Part 6 — Coming Soon

This part is in progress. Stay tuned!

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