Matek Optical Flow & LIDAR Sensor 3901-L0X
by Matek Systems

The Matek Optical Flow Sensor 3901-L0X is a cutting-edge navigation tool designed for drones and UAVs, providing precise altitude hold and position tracking. Featuring the PMW3901 optical flow sensor paired with the ST VL53L0X Lidar, this module enhances your drone's capabilities with advanced obstacle detection and accurate flight control.

Key Features:

• Optical Flow Sensor: PMW3901 with a field of view of 42 degrees.
• Lidar Sensor: ST VL53L0X offering a maximum range of 2 meters.
• Working Range: 8cm to 200cm, making it suitable for a variety of applications.
• Interface: UART connection with MSP protocol for seamless integration with flight controllers.
• Minimum Illumination: Operates in environments with lighting greater than 60 Lux.
• Power Requirements: Input voltage of 4.5~5.5V and power consumption of only 40mA.
• Compact Size: Available in two versions:
  • F051: 36 x 12mm, weighing just 2g
  • L051: 36 x 13mm, also 2g

Specifications:

• Optical Flow Sensor: PMW3901
• Lidar Sensor: ST VL53L0X
• Field of View: 42° (PMW3901), 27° (VL53L0X)
• Interface Protocol: MSP
• Size: 36 x 12mm (F051), 36 x 13mm (L051)
• Weight: 2g
• Power Consumption: 40mA

Packaging Includes:

• 1x 3901-L0X Module

Tips for Use:

• Ensure the optical flow lens is more than 2cm from the ground during startup for proper initialization.
• For altitude hold functionality, the VL53L0X sensor must be enabled, with a range of 0 to 2m.
• Check that your flight controller supports the required UART and protocol settings for optimal performance.