How to Install MySQL on Any Linux VPS (DigitalOcean, Linode, AWS) & Connect Remotely
Setting up a database is crucial for any IoT or web project. In this guide, we walk you through installing …
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Free Public MQTT Broker for IoT Projects: Introducing mqtt.iotbhai.io
I have launched a dedicated, free-to-use public MQTT broker for the developer community! Whether you are testing an ESP32 or …
How to Connect SIM800L to Arduino Uno: Fix Power & Network Issues (GSM Bootcamp #1)
Struggling with the SIM800L blinking fast and never connecting? The problem is almost always power. In this first episode of …
How to Fix the "human_face_detect_msr01.hpp" Error on ESP32-S3 Cam
Encountering the human_face_detect_msr01.hpp compilation error on your new ESP32-S3 Cam? This usually happens with ESP32 Board Manager v3.0+. Check out …
How to Control Your ESP32 using WhatsApp Messages (Python & MQTT)
Control your ESP32 via WhatsApp! This tutorial builds a complete two-way bridge using Python & MQTT. Send "LED ON" from …
ESP32 OTA Updates via Google Drive: The Ultimate Free Hosting Guide
Deploying IoT devices is easy, but updating them once they are mounted on a wall is hard. Discover how to …
Build a Professional ESP32 WiFi Manager From Scratch (No Libraries Required!)
Tired of heavy libraries and infinite boot loops? Learn to build a professional, lightweight ESP32 WiFi Manager from scratch. This …
How to Set Up ESP32 in Arduino IDE 2.0: Windows & Ubuntu Guide
The ultimate guide to setting up ESP32 on Arduino IDE 2.0. This post covers the Board Manager URL, driver installation …
Stop Hardcoding Credentials! Build a Dynamic Config Portal for ESP32
Stop hardcoding Wi-Fi credentials! Learn how to build a professional configuration mode for your ESP32 using the Preferences library and …
ESP32 OTA Firmware Updates from a Private GitHub Repository
Securing your firmware is critical. In this tutorial, we ditch the public clouds and build a secure, automated Over-the-Air (OTA) …
ESP32 OTA Firmware Update over GSM (SIM800L) with Python Flask Server(GSM IoT Series #6)
Learn how to perform remote OTA firmware updates on ESP32 using the SIM800L GSM module (2G). A complete guide to …
How to Connect MQTT using SIM800L GSM Module and ESP32 (GSM IoT Series #5)
In Part 5 of the GSM IoT Series, we ditch Wi-Fi and go cellular! Learn how to publish sensor data …