树莓派控制温湿度传感器，人体传感器，摄像头实现远程监控，并且数据备份云端服务器

Alexa controlled alarm system with ESP32-CAM and HC-SR501 PIR module.

rainy - a tiny tool for iot data collection and monitoring

IoT-based Personal Collection Security System using CoAP communication protocol | Solo Project

HC-SR501 Passive Infrared (PIR) Motion Sensor with STM32F103C8T6

Proteus simulation of "Home Security Camera" powered by ATMEGA328P as the main microcontroller.

Arduino communication library for the HC-SR501 PIR (Motion) sensor

ESP8266/ESP32-based 1-axis servo-controlled pet toy with motion sensor

Rust library to support digital PIR and microwave motion sensors for Raspberry Pi and similar platform

Скетч для считывания данных с датчиков MQ2, MQ135, DHT22, HC-SR501 и отправки через Ethernet соединение по протоколу MQTT в домашнюю систему автоматизации Majordomo для микроконтроллера Arduino.

Simple thermostat and motion detection using a ESP32-S2 and MQTT

An Arduino-based home alarm with RFID, GSM and Bluetooth capabilities. More features are remote motion sensors and a database that stores all user info if the power should go off.

it provide an automated way for counting people passing through door or passage , human motion detection and control access via rfid

This is a project for motion detection with the raspberry pi and the motion senscor HC-SR501.

Python code for using HC-SR501 on the Beaglebone Black

Various Arduino projects