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I like the product and how easy is it to use them and making a tight grip on the wires
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SmartElex LHI778 PIR Motion Sensor Module
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The SmartElex LHI778 PIR Motion Sensor Module is a passive infrared motion detection solution designed to sense human movement by detecting changes in infrared radiation. It helps solve the problem of automatic motion detection without continuous monitoring, making systems more energy efficient and responsive. This module is suitable for students, makers, engineers, educators, and startups working on electronics projects that require reliable motion sensing for control, security, or automation purposes.
This PIR motion sensor module is widely used in robotics, IoT devices, security systems, and home or industrial automation projects where movement detection is required. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. The simple interface and consistent performance make it ideal for applications like motion-activated lighting, intrusion detection, smart alarms, and interactive electronic projects.
| Item Type | Motion Sensor |
| Model | PIR Motion Sensor |
| Model No. | LHI778 |
| Voltage Rating (V) | 3 to 5 |
| Detection Angle | 120° |
| Response Time (s) | 0.3s to 25s (adjustable) |
| Working Wavelength | 7–14 µm |
| Operating Current (mA) | 0.1 (at 3V), 0.15 (at 5V) |
| Length (mm) | 44 |
| Width (mm) | 20 |
| Height (mm) | 11 |
| Weight (g) | 9 |
This item is covered with a supplier warranty of 1 year from the time of delivery against manufacturing defects only.
In case of manufacturing defects or issues, we will replace the part after warranty confirmation by our technical team, but we won’t offer refunds or replace the entire product.
