The CJMCU-9930 is a module that integrates the APDS-9930 sensor, which is used for close and non-contact gesture detection as well as attitude (or proximity) sensing. The APDS-9930 sensor is a versatile sensor that combines an ambient light sensor (ALS), a proximity sensor, and an IR LED, all within a single package. Here are some key features and typical applications:

Key Features of APDS-9930:

1. Proximity Detection:

   • Detects objects up to 100mm away.
   • Uses an IR LED and photodiode for proximity sensing.
   • Programmable proximity interrupt with upper and lower threshold settings.

2. Ambient Light Sensing:

   • Measures ambient light intensity in the range of 0.01 to 10,000 lux.
   • Dual photodiode architecture for improved accuracy.
   • Provides digital output in lux.

3. Gesture Detection:

   • Capable of recognizing simple gestures like swipes.
   • Uses the proximity detection mechanism.

4. I2C Interface:

   • Communicates via I2C interface with standard addresses.
   • Provides easy integration with microcontrollers and other digital systems.

5. Low Power Consumption:

   • Designed for low power consumption, suitable for battery-operated devices.

Typical Applications:

• Mobile Phones and Tablets:

  • Automatic screen brightness adjustment.
  • Gesture control for user interface navigation.

• Consumer Electronics:

  • Proximity sensing for power management (e.g., turning off the screen when the device is close to the ear).
  • Ambient light sensing for display brightness control.

• Automotive:

  • Gesture controls for infotainment systems.
  • Ambient light sensing for interior lighting adjustments.
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Features:

• Optical modules integrated with ALS, infrared LEDs and proximity detectors
• Ambient Light Sensing (ALS)
   - Approximate human visual response
   - Programmable interrupt capability with upper and lower thresholds
   - Up to 16-bit resolution
   - High sensitivity operation behind dark glass
   - 0.01lux low lumen performance
• Proximity detection
   - Fully calibrated to 100 mm detection
   - Integrated infrared LED and synchronous LED driver
   - Eliminates factory calibration of the proximity sensor
• Programmable wait timer
   - Wait state power consumption - 90μA typical
   - Programmable range from 2.7 ms to more than 8 seconds
• I2C interface compatible
   - Up to 400kHz (I2C fast mode)
   - Dedicated interrupt pin
• Sleep Mode Power - 2.2μA typical
• Small package 3.94 (L) x 2.36 (W) x 1.35 (H) mm

Applications:

• Adjustable light mobile phone backlight
• Notebook / display security
• ASutomatically enabled hands-free mode
• Digital camera eye sensor

Package included:

5 x Gesture Detection Attitude Sensor