A complete event-driven embedded systems project for an ESP32, HC-SR501 PIR motion sensor, LDR light sensor, and LED. The device spends most of its time in deep sleep. A PIR event wakes the ESP32. The ...

From smart home to hobbies.

原创 最新推荐文章于 2026-08-18 09:55:34 发布 · 345 阅读 如果你想让你的Arduino项目具备感知人体或动物运动的能力，那么PIR（被动红外）传感器模块几乎是你的不二之选。这东西本质上是一个“热感”眼睛，它不发射任何光线，而是检测环境中特定波长（主要是 ...

Arduino App Lab 0.10.0 adds an AI coding agent that can inspect projects, modify files, run applications, debug errors, and streamline embedded development. Arduino has added an artificial ...

The landscape of smart sensors in 2026 presents a complex but rewarding challenge for those looking to enhance their home automation setups. With options ranging from PIR motion sensors to mmWave ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you might ...

Adam has a degree in Engineering and has a life-long interest in technology. He has been writing for over a decade for various print and online publications, with a focus on consumer tech. He joined ...

Adam has a degree in Engineering and has a life-long interest in technology. He has been writing for over a decade for various print and online publications, with a focus on consumer tech. He joined ...

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 ...

Abstract: This paper presents a novel approach to dynamically adjust the sensitivity and timing parameters of a Passive Infrared (PIR) motion sensor using an Arduino-based control system. Traditional ...