SKU: SENS-0072
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Meskernel LDK-80 Laser Range Sensor (0.03-80m, ±2mm) USB to TTL

₹11,999.00 (Inclusive of all taxes)
Out of Stock

The Meskernel LDK-80 is a compact laser ranging module offering high-precision distance measurement from 0.03 to 80 meters with ±2mm accuracy. It features a USB to TTL interface for straightforward connection to microcontrollers (Arduino, ESP32), single-board computers (Raspberry Pi), and PCs, making it suitable for automated measurement and positioning systems.

Features

  • High-precision laser phase measurement with ±2mm accuracy over a 0.03–80m range.
  • USB to TTL serial interface for direct connection to microcontrollers, PCs, and embedded systems.
  • Configurable measurement frequency (3Hz, 10Hz, or 20Hz) for balancing speed and power.
  • Low-power Class II red laser (620–690nm, <1mW) ensures eye safety and stable operation.
  • Compact and lightweight design (47mm x 25mm) for integration into space-constrained applications.

Out of stock

Description

The Meskernel LDK-80 employs laser phase-shift technology to deliver highly accurate distance measurements. This method involves modulating the laser beam and comparing the phase difference between the emitted and reflected signals, providing millimeter-level precision even at longer ranges. The module outputs data via a standard TTL-level UART serial interface, which is bridged to USB for plug-and-play connectivity with computers and development platforms.

Designed for reliable performance in controlled environments, the sensor operates within a 0°C to 40°C temperature range. Its low current consumption (<60mA at 3.3V) makes it suitable for portable or battery-powered systems. The robust design ensures consistent readings for tasks requiring precise spatial awareness and object positioning.

Key Features

  • Precision Laser Ranging: Utilizes advanced phase-shift detection for stable, high-accuracy distance data up to 80 meters.
  • Flexible Communication: Integrated USB to TTL converter simplifies direct connection to PCs and microcontrollers without external adapters.
  • Configurable Sampling Rate: Selectable measurement frequencies (3Hz, 10Hz, 20Hz) allow optimization for response time versus power usage.
  • Eye-Safe Operation: Features a Class II, low-power red laser (620–690nm, <1mW) compliant with safety standards for accessible use.
  • Compact Form Factor: Small footprint and minimal weight enable easy integration into drones, robotic arms, and automated guided vehicles (AGVs).
  • Low Power Profile: Consumes under 60mA at 3.3V, ideal for embedded and mobile sensing applications.

Applications

  • Precision object positioning and bin picking in robotic automation and assembly lines.
  • Obstacle detection and terrain mapping for autonomous mobile robots (AMRs) and unmanned aerial vehicles (UAVs).
  • Volume measurement and inventory management in logistics and warehouse automation.
  • Structural deformation monitoring and alignment verification in construction and civil engineering.
  • Integration into custom measurement jigs and quality control systems for manufacturing.

Technical Specifications

Model NumberLDK-80
Measurement Range0.03 to 80 meters
Accuracy±2 mm
Measurement Frequency3 Hz / 10 Hz / 20 Hz (Selectable)
Laser TypeRed Laser, 620–690 nm
Laser Class / PowerClass II, <1 mW
Operating Voltage3.3V DC
Current Consumption<60 mA @ 3.3V
InterfaceUSB to TTL (UART Serial)
Operating Temperature0°C to +40°C
Dimensions (L x W)47 mm x 25 mm
Weight15 g

Frequently Asked Questions

What is the operating voltage and current draw of the LDK-80 sensor?

The LDK-80 operates at 3.3V DC and draws less than 60mA during active measurement. Ensure your power supply can provide stable 3.3V to maintain accuracy and prevent communication errors with the onboard USB-TTL bridge.

How do I communicate with the sensor and what is the data format?

The module communicates via a standard TTL UART serial interface (bridged to USB). You connect to the provided USB port or the TX/RX pins. It outputs distance data in a simple ASCII or binary format (specifics are in the datasheet) at a default baud rate, typically 9600 or 115200 bps.

Can I change the measurement frequency, and what are the trade-offs?

Yes, the frequency is configurable between 3Hz, 10Hz, and 20Hz via a command. Higher frequencies provide faster update rates for dynamic applications but may increase power consumption slightly. Lower frequencies conserve power and are suitable for slower, periodic monitoring tasks.

What surfaces or conditions can affect the sensor's accuracy?

Highly reflective, transparent, or absorbent surfaces (like glass, mirrors, or black matte materials) can scatter or weaken the laser return signal, potentially reducing maximum range or causing measurement errors. For best results, target diffuse, opaque surfaces within the specified 0°C to 40°C operating temperature.

Is the laser safe for use around people?

Yes, the sensor uses a Class II red laser with an output power below 1mW, which is considered eye-safe for incidental exposure. However, you should avoid direct eye exposure to the beam as a standard precautionary measure in all laser-based applications.

Package Includes

  • 1 x Meskernel LDK-80 Laser Range Sensor Module

Additional Information

Weight 0.015 kg
Dimensions 4.7 × 2.5 cm