ADAFRUIT 4666 Infrared Motion Sensor Detector Module Light Switch
( Brand: Adafruit ), ( Manufacturer Part Number: 4666 ), ( Qty: 10 ), ( Current Type: Dc ), ( Termination Type: Leads ), ( Shield: Shielded ), ( Sensor Type: Passive Infrared ), ( Output Type: Analog )
Review ADAFRUIT Pir Infrared Motion Sensor Detector Module For Light Switch
The Adafruit 4666 Infrared Motion Sensor Detector Module is an easy-to-use and versatile add-on for your DIY projects, home automation systems, or lighting installations. This compact and powerful sensor is based on the popular Sensirion SCD-40 sensor, which offers a wide detection angle and high sensitivity.
This module is designed to function as a replacement for a standard light switch, making automating your lighting setup a breeze. It comes with a conveniently placed screw terminal for easy wiring, allowing you to connect it to your existing wiring for a seamless integration into your electrical system.
The 4666 Infrared Motion Sensor Detector Module features an adjustable sensitivity control, allowing you to fine-tune the sensitivity of the sensor to suit your specific environment and requirements. With a detection range of up to 15 feet (4.6 meters), it can reliably detect motion in both dim and dark environments.
The sensor's output is adjustable, providing both an active-high and an active-low signal, making it compatible with a wide range of microcontrollers and control systems. It also comes with a built-in test mode that can be activated by applying a voltage between two test pins, allowing you to easily test the sensor's functionality without having to write any code.
The Adafruit 4666 Infrared Motion Sensor Detector Module is housed in a compact, weather-resistant PCB, ensuring reliability and durability even in harsh environments. Its sleek design and small form factor make it an excellent choice for a variety of applications, from home automation to security systems and more.
In summary, the Adafruit 4666 Infrared Motion Sensor Detector Module is a versatile and powerful addition to your DIY projects and home automation systems. Its wide detection angle, adjustable sensitivity, and compatibility with various microcontrollers make it a reliable and convenient solution for automating your lighting and other applications.
Adafruit IR Motion Sensor Detector Module for Light Switch: An In-depth Analysis
The Adafruit IR Motion Sensor Detector Module is a versatile component for building automated home projects, including motion-activated light switches. In this analysis, we'll discuss the pros and cons of using this module for such applications, ending with a conclusion and recommendation.
Pros:1. Sensitivity: The Adafruit IR sensor offers a wide detection angle of approximately 110 degrees and a detection range of up to 18 inches. This makes it suitable for medium to large-sized rooms.
2. Easy to Use: The sensor is compatible with various microcontrollers, including Arduino. Adafruit provides a detailed tutorial on their website, making it accessible for beginners.
3. Cost-Effective: Compared to other motion sensors in the market, the Adafruit IR sensor is relatively inexpensive.
4. Versatile: The sensor can be used for various projects, not just light switches. It can be employed for security systems, home automation, and more.
Cons:1. False Triggering: The sensor can sometimes trigger false positives, especially when exposed to bright light or when there are moving objects in the room that are not intended to activate the sensor.
2. Limited Range: The detection range of the sensor may not be sufficient for larger spaces or rooms with lots of ambient light.
3. Power Consumption: The sensor consumes power even when no motion is detected. This can lead to increased energy consumption and, consequently, higher electricity bills.
Conclusion:The Adafruit IR Motion Sensor Detector Module is an excellent choice for building automated light switches and other home projects that require motion detection. Its wide detection angle, ease of use, and cost-effectiveness make it a popular option among hobbyists and DIY enthusiasts. However, the potential for false triggering and limited range may be a concern for some projects. To mitigate these issues, it's essential to follow best practices for installation, such as positioning the sensor away from windows and bright light sources and adjusting the sensitivity settings based on the project requirements.
Recommendation:If you're looking for an affordable, easy-to-use, and versatile motion sensor for your home automation project, the Adafruit IR Motion Sensor Detector Module is an excellent option. However, be sure to consider the potential for false triggering and limited range and take appropriate measures to mitigate these issues. Overall, the benefits of this sensor far outweigh the drawbacks, making it a valuable addition to any DIY project.
Details:
Technical Specifications. Lens cap included. This compact and sensitive sensor is perfect for creating custom security systems, automation setups, or any application that requires reliable motion detection. Whats Included.
Adjustable Sensitivity: Includes a sensitivity adjustment potentiate and delay time to fine-tune detection your specific needs. Brand New: Shipped directly in its original Adafruit packaging. Current Draw: 100 A idle, up to 150 MA when sensor outputs HIGH. Shipping Information.
Wide Detection Range: Can detect movement up to 20 feet 6 meters away with a 120-degree detection angle, covering wide area. Carefully Packaged: Ensured safe delivery with proper packaging materials. Low Power Consumption: designed for efficient operation, suitable battery-powered or energy-saving projects. Key Features.
Supply voltage : 3.3V to 5V DC. Easy to Interface: Compatible with a wide range of micro controllers and systems; outputs simple digital signal high/low when motion is detected. Output Type: Digital 3.3V logic level when motion detected. High Sensitivity and Stability: Detects motion through changes in infrared radiation from warm bodies, ideal for triggering an alarm, lighting, or other responses.
part #: 4666 price
- $24.99
specifications secimotions:
- brand: Adafruit
- mpn: 4666
- qty: 10
- current type: Dc
- termination type: Leads
- shield: Shielded
- sensor type: Passive Infrared
- output type: Analog
payments secimotions:
- wallet: Google-pay
- credit card: Mastercard
- other
seller secimotions:
- rating: 100.0%
- city: Atlanta, Georgia
- # reviews: 42
returns secimotions:
- policy: No Returns
general secimotions:
- Industrial Automation Motion Controls > Sensors > Other Sensors
- condition: New
shipping secimotions:
- type: Calculated
- service: USPS Ground Advantage
- transit: 4-9 Days
- class: Standard
- carrier: USPS
- cost: $0.00
offer secimotions:
- sold: 0
- quantity: 3
- started: December 13, 2025
- options: Ship-to-home
- availability: In Stock
