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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 BX404 Digital PIR Motion Sensor
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The SmartElex BX404 PIR Motion Sensor is a compact and reliable BX404 PIR Motion Sensor designed to detect human movement using passive infrared technology. It helps users sense motion accurately by detecting changes in body heat, making it useful for security, automation, and energy-saving applications. This passive infrared sensor is ideal for students, makers, educators, engineers, and startups looking to add motion detection to their electronic projects in a simple and effective way.
The sensor works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing easy integration into robotics, IoT devices, and automation systems. Its stable digital output makes it suitable for applications like smart lighting, intrusion alarms, occupancy detection, and DIY prototypes. With easy interfacing and dependable performance, this sensor enables quick development of motion-based solutions for real-world electronics projects.
| Item Type | PIR Motion Sensor |
| Model No. | BX404 |
| Voltage Rating (V) | 2.2 to 3.7 |
| Window Size | 4 × 4 mm |
| Sensing Angle | 120° (horizontal) |
| Power Consumption | <11 µA |
| Measurement Range | 12 m |
| Length (mm) | 37 |
| Width (mm) | 22 |
| Height (mm) | 09 |
| Weight (g) | 04 |
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.
