The system is intended to support multiple transmitter/sensor units in an 'offline' (non-infrastructure) mode in case of remote usage. Think: camping. Don't want no bears sneaking up on me know what ...

🚨 ESP32 PIR Sensor with Temperature & Humidity Logging System 🌡️ This project demonstrates how to build and deploy a motion detection and temperature/humidity logging system using the ESP32, a PIR ...

Abstract: This proposed work introduces the NodeMCU(ESP8266) microcontroller, a variety of sensors (including the DHT11, MQ135, and PIR), a display, and a buzzer all working together to create a novel ...

In order to get the most out of the batteries connected to your microcontroller, you’ll probably need to put it to sleep, the deeper the better. [Rgrokett] was curious about the nighttime habits of ...

Working Voltage:DC 2.7V-12V;Max Static current:1mA;delay time: 2S;Blockade time: 2S;Sensor angle:100 Degree;Sensor distance: 3-5m. Repeatable Trigger Mode:When people enters the sensing range, the ...

Abstract: Nowadays the need to build an affordable and effective intrusion detection system is a necessity with the events of intrusion or burglary on the rise and as we are approaching towards making ...