Three Pack HC SR501 PIR Motion Sensor Modules For Raspberry Pi And Arduino DIY Projects Infrared Human Detection 4.5 To 20V DC 3.3V High Output 0V Low Output Up To Seven Meters Range Includes Holders Screws And Nuts
✔️ 4.5-20V DC, 3.3V high output, 0V low output; up to 7 m range
These HC-SR501 PIR motion sensor modules are handy for Raspberry Pi and Arduino projects, designed to detect human presence for automatic lighting, security, and automation tasks. The kit includes three sensors with mounting holders, screws, nuts, Dupont wires, and a screwdriver for quick prototyping.
✅ 4.5-20V DC working voltage with 3.3V logic high output and 0V low ✅ Output level: High 3.3V / Low 0V for easy MCU interfacing ✅ Sensing range: 3-7 m with a cone angle under 120° ✅ Includes 3 PIR sensors, probe holders, screws, nuts, Dupont wires, and screwdriver
| 寸法 | 価値 |
|---|---|
| Sensor diameter | 23 mm (0.9 in) |
| Sensing range | 3-7 m (9.8-23 ft) |
| Cone angle | Less than 120° |
These modules are ideal for hobbyists and makers doing DIY automation projects with microcontrollers, home automation experiments, or security prototypes. They work well in closets, hallways, aisles, and entryways where automatic lighting or alerts are desired.
💡 What is a PIR motion sensor module used for in DIY automation projects? Answer: It detects human presence and triggers connected devices like lights, fans, alarms, or doors. - handy for automation with Arduino and Raspberry Pi projects - supports 4.5-20V DC input and 3.3V logic levels for MCU compatibility - great for automatic lighting, security prompts, and energy-saving setups - works in homes, offices, shops, and small warehouses to simplify daily tasks