In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...
A real-time Smart Radar Surveillance System built using Arduino UNO + Ultrasonic Sensor + Servo Motor, capable of scanning surroundings in a 0°–180° sweep, detecting intrusions, triggering alerts, and ...
⚙️ Components ESP32 DHT11 (Temperature & Humidity sensor) Soil Moisture Sensor Ultrasonic Sensor (HC-SR04) Relay Module Water Pump LEDs (for status) Resistors & Wires Breadboard **Schematic wiring : * ...