esp32

Discover comprehensive ESP32 tutorials and projects for IoT development. Learn ESP32 programming with Arduino IDE, explore WiFi and Bluetooth connectivity, integrate Firebase and Google Sheets, and build smart automation systems. Our step-by-step guides cover ESP32 DevKit V1, NodeMCU, and ESP32-S3 boards with practical circuit diagrams and code examples. Perfect for electronics enthusiasts and developers creating IoT solutions with this powerful dual-core microcontroller featuring built-in wireless capabilities.

IoT Projects

Build Your Own Automatic ON OFF Timer Switch: The “Devraj Lab” Edition (ESP32 + WiFi)
ByDevraj January 29, 2026

I hate mechanical timer switches. There, I said it. I spent years working as an embedded…

Read More Build Your Own Automatic ON OFF Timer Switch: The “Devraj Lab” Edition (ESP32 + WiFi)
IoT Projects

The Tale of Two Weather Stations: ESP32 vs. Uno R4
ByDevraj January 26, 2026

The 2 AM “Sensor Not Found” Nightmare It was 2:00 AM. My coffee was cold, and…

Read More The Tale of Two Weather Stations: ESP32 vs. Uno R4
Microcontrollers & Boards

ESP32 Pinout Reference: GPIO, ADC & Safe Pins Guide
ByDevraj December 25, 2025

ESP32 Pinout Guide: Avoid Common Mistakes with GPIO Pins Download ESP32 Pinout Cheat Sheet (High Resolution)…

Read More ESP32 Pinout Reference: GPIO, ADC & Safe Pins Guide

esp32

Build Your Own Automatic ON OFF Timer Switch: The “Devraj Lab” Edition (ESP32 + WiFi)

The Tale of Two Weather Stations: ESP32 vs. Uno R4

ESP32 Pinout Reference: GPIO, ADC & Safe Pins Guide

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What IoT Means: A Beginner’s Guide to the Internet of Things

ESP32 Pinout Reference: GPIO, ADC & Safe Pins Guide

Build Your Own Automatic ON OFF Timer Switch: The “Devraj Lab” Edition (ESP32 + WiFi)

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