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Wi-Fi isn’t the only radio inside the ESP32, it also speaks Bluetooth Low Energy. BLE control has one big advantage over a web server: it works with no router and …
ESP32 Bluetooth (BLE) Controlled Relay Switch — Phone-Controlled Power Read More
Overwatering kills more houseplants than neglect, and guessing is unreliable. This project turns an Arduino, a soil moisture sensor and an SG90 servo into a charming analog-style gauge: the servo …
Arduino Soil Moisture Monitor with Servo Gauge (Plant Care Project) Read More
Yesterday’s DHT11 Arduino monitor showed readings on an LCD; today the ESP32 serves them to any browser on your network. A DHT22 sensor feeds temperature and humidity to the board, …
ESP32 DHT22 Web Dashboard with Auto-Refresh (No Cloud Required) Read More
The HC-SR04 ultrasonic sensor measures distance by bouncing sound waves off objects, exactly like a bat. In this project you’ll combine it with a piezo buzzer and an LED to …
Arduino HC-SR04 Ultrasonic Distance Meter with Buzzer Alarm (Parking Sensor Project) Read More
The ESP32’s superpower is Wi-Fi: any project you build can be controlled from a phone browser with no app at all. In this first ESP32 tutorial you’ll run a real …
ESP32 Wi-Fi Web Server: Control an LED from Your Phone (Beginner Guide) Read More
Reading the temperature and humidity of a room is one of the most satisfying first Arduino projects you can build, and it’s also the foundation of bigger systems such as …
Arduino DHT11 Temperature and Humidity Monitor with I2C LCD (Complete Beginner Guide) Read More