Hardware & Boards
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ESP32 Won’t Connect to Wi-Fi? The Complete Troubleshooting Guide
If you’re doing ESP32 Wi-Fi troubleshooting for the first time, you’re not alone. Almost every ESP32 developer runs into this…
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ESP32 with Home Assistant: A Complete Integration Guide
Home Assistant has become the go-to open-source platform for tying together smart home devices from dozens of different ecosystems —…
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ESP32-CAM: A Complete Guide to Setup, Streaming, and Your First Camera Project
Add a camera to a $6 board, and suddenly a huge range of new projects open up — security cameras,…
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ESP32 with MQTT: Complete Setup Guide
If you’ve explored IoT architecture at all, you’ve run into MQTT. It’s the messaging protocol behind everything from smart home…
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ESP32 vs ESP8266: Which One Should You Choose?
Walk into any IoT hobbyist forum and you’ll find the same question asked over and over: should I use an…
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ESP32 Deep Sleep: A Complete Guide to Power Modes and Battery Life
If you’ve ever built an ESP32 project that ran fine plugged into USB but died within a day on battery…
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ESP32 Bluetooth Low Energy (BLE): A Beginner’s Guide to GATT, Advertising & Your First Connection
Have you worked with the ESP32’s Wi-Fi features before? Then Bluetooth Low Energy (BLE) might feel like a different world.…
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ESP32 OLED Display: Show Live Time and Weather on Your Desk
This project turns a tiny OLED screen into a sleek mini desk gadget that always displays the current time and…
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ESP32 Door/Window Alarm with Wi-Fi Phone Notifications
A magnetic reed switch serves as one of the simplest sensors you can integrate with an ESP32. Consequently, it opens…
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ESP32 Weather Station: Live Temperature & Humidity with a DHT22 Sensor
After learning how to control an LED through an ESP32 web server, reading sensor data and displaying it online serves…
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