Meskernel LDJ-70 Laser Distance Measurement Sensor, 70m Wireless Range Finder, ±3mm, TTL/RS232/RS485/Bluetooth

Overview

Meskernel LDJ-70 Laser Distance Measurement Sensor is an optical laser distance sensor module designed for precise range finding and secondary development. This Laser Distance Measurement Sensor offers ±3mm accuracy, single and continuous measurement modes, and multiple data interfaces (TTL/RS232/RS485, USB, Bluetooth) for integration with controllers such as Arduino and Raspberry Pi. The compact ABS+PCB module (green+black) is suitable for long range height measurement in industrial and engineering applications.

Key Features

High precision and long range

±3mm accuracy; range distance options: 0.03–100m / 150m / 200m.

Measurement modes

Supports single measurement and continuous measurement; robust performance for 24-hour continuous operation.

Flexible communication

Interfaces include TTL, RS232, RS485; optional Bluetooth wireless; USB support for PC connectivity; compatible with Arduino and Raspberry Pi.

Laser specification

635nm red laser; dual-color laser options (green and red); Class 2, <1mW safety laser; laser type 620–690nm.

Configurable sampling

Frequency options: 3Hz/20Hz; selectable frequencies supported: 3Hz, 10Hz, 20Hz.

Industrial-grade design

Operating temperature 0–40°C (32–104°F); power consumption <120mA@3.3V; ABS+PCB construction; compact 64×40×18mm.

Brand and customization

Brand: Meskernel; model: LDJ-70 H240429; customized support: OEM, ODM, OBM; warranty: 12 months (1 years); origin: Sichuan, China (Mainland China); high-concerned chemical: None.

Specifications

Applications

Industrial Automation

Measure the level of stored material for efficient inventory management and optimal filling/emptying processes.

Transfer Belt

Measure distances between objects or materials along conveyor systems for precise positioning and alignment.

Engineering Surveying

Measure distances between points and objects to support mapping, construction layout, and terrain modeling.

Intelligent Logistics

Guide automated systems for navigation, sorting, and warehouse management.

Granary and Warehouse

Measure stored material levels for inventory control.

Robot Vacuum Cleaner

Measure obstacle distances to enable intelligent obstacle avoidance in service applications.

Details

Laser sensor compatible with Arduino, Raspberry Pi, MCU, serial ports and Bluetooth

Laser sensor circuit diagram with multiple BBox modules and master control interface.

Meskernel LDJ-70 Laser Sensor interface displays real-time distance measurements, serial port settings, data logs, and module status. Features include range chart, control options, and hardware information.