The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...
Abstract: Permanent magnet synchronous motors (PMSMs) are critical components in electric vehicles, where early and accurate diagnosis of high-resistance connection (HRC) faults is essential for ...
The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...
This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...
Abstract: Passive infrared (PIR) sensors are widely used in motion sensing and lighting control. However, stationary occupants always trigger false-negative detects of PIR sensors and result in ...
Passive infrared (PIR) sensors are experiencing sustained growth in 2026. This is driven largely by the expansion of smart home technology, building automation, and energy-conscious design. Once ...
This is a simple project in which a HC-SR501 PIR sensor is used to detect motion in a room. MQTT is used as the message broke between NodeRed and Rust running on a Raspberry Pi 4. The code detects the ...
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