Notes on “ESP32”.
Displaying all engineering articles tagged with ESP32. Use the search filters to find specific guides.
ESP32 Deep Sleep Modes and Wake Sources: A Power Optimization Guide
Reduce ESP32 current consumption from 240mA active to under 15μA using deep sleep, RTC memory, and timer or GPIO wake sources.
Designing Your First Custom PCB: From KiCad Schematic to Gerber Files
A beginner-friendly walkthrough of the complete PCB design workflow in KiCad — schematic capture, footprint assignment, PCB layout, routing, and generating Gerber files for manufacturing.
I2C vs SPI vs UART: Choosing the Right Serial Protocol for Embedded Hardware
A practical comparison of the three most common embedded serial communication protocols. Learn which to choose for sensors, displays, and microcontroller peripherals.
ESP32 FreeRTOS Task Scheduling & Prioritization
Learn how to write deterministic firmware on ESP32 using FreeRTOS tasks, task notifications, and semaphore queues.
ESP32 vs Raspberry Pi Pico: Choosing the Right Microcontroller
An in-depth hardware comparison between ESP32 and RP2040 (Pico) covering processing power, wireless connectivity, power draw, and workflows.
How to Hire a Specialized ESP32 Firmware Developer
A technical hiring guide for companies looking to recruit freelance or contract ESP32 developers. Key interview questions and skill verification.