Overview
The Meskernel LDL-10 H231221 is a Laser Distance Sensor module designed for precise, visible-red laser ranging in embedded and industrial applications. It delivers ±1mm accuracy with a 0.03–10m measuring range, Class II 620–690nm red laser, and multiple data interfaces (TTL/USB/RS232/RS485/UART/Bluetooth). The compact 42×17×7mm, 4g module supports meter/inch/feet units, single or continuous measurement, and is suitable for robots, parking systems, construction, and industrial survey tasks.
Key Features
- ±1mm accuracy with visible red laser (620–690nm); Class II, <1mW
- Measuring range: 0.03–10m; optional variants up to 5/10/20/40m
- Measurement time: 0.125–4s (typ. 0.3–4s response), frequency options 3/10/20Hz
- Multiple interfaces: TTL, USB, UART, RS232, RS485, Bluetooth
- Measurement units: Meter/Inch/Feet
- Compact and lightweight: 42×17×7mm, 4g; manual installation
- Lens design for emission/reception; anti-reflective coatings as described
- Two wiring approaches available: soldered leads or connector wiring
- Pin overview includes VCC (3.3V–5V), GND, TX, RX, MODE, EN
- Test software described for real-time data viewing and export
- Use cases: robot, parking, construction, industrial survey; industrial automation, logistics, warehousing
Specifications
| Brand Name | Meskernel |
| Model Number | LDL-10 H231221 |
| Series | Laser Distance Sensor |
| Features | Laser Distance Sensor |
| Description | sensor, sensor |
| Type | Other,FIBER OPTIC SENSOR |
| Theory | light curtain |
| Accuracy(mm) | ±1mm |
| Measuring Range(m) | 0.03-10m |
| active area | 0.03-10m |
| Measurement Units | Meter/Inch/Feet |
| Measure Distance | 0.03-5/10/20/40 meters |
| Measuring Time(seconds) | 0.125-4 seconds |
| Measure Time | 0.3~4 seconds |
| Response Time | 0.3-4s |
| Frequency(Hz) | 3Hz |
| Frequency | 3/10/20Hz |
| Laser Type(nm) | 620-690nm |
| Wavelength | 610-690nm |
| Laser Type | 620nm-690nm, <1mW Red laser |
| Laser Class | Class II |
| Operating Temperature(℃) | 0-40℃ |
| Storage Temperature(℃) | -25-60℃ |
| operating Temperature | 0-40 ℃ (32-104 ℉) |
| Storage Temperature | -25~60 ℃ (-13~140 ℉) |
| Data Interface Optional | TTL/RS485/RS232 |
| Interface | UART/ RS485/RS232/Bluetooth |
| Output | TTL/USB |
| Voltage - Supply | 3-5v |
| Voltage(V) | DC 2.0-3.3V |
| Voltage | DC 2.5~3.3V |
| Size | 42*17*7mm |
| Weight(g) | 4g |
| Mounting Type | manual installation |
| Use | robot, parking, construction, industrial survey |
| High-concerned chemical | None |
| is_customized | Yes |
| Origin | Mainland China |
| Place of Origin | Sichuan, China |
What’s Included
- LDL laser distance sensor module
- Test software (as described)
Applications
- Industrial Automation: material level measurement, positioning, and alignment
- Transfer Belt: distance and position control on conveyor systems
- Engineering Surveying: distance mapping and layout
- Intelligent Logistics: navigation, sorting, and warehouse management
- Granary and other Warehouse: inventory level monitoring
- Robot Vacuum Cleaner: obstacle distance measurement and avoidance
- Parking, Construction, Industrial Survey (per listed use)
- Development and prototyping with Arduino/Raspberry Pi (per interface support)
Details

New Generation Laser Sensor: 80m Range, ±1mm Accuracy, 30Hz, Industrial Stability

LDL Module: Red Laser, High Precision, 40m Max Measuring Distance


LDL-10 Laser Distance Sensor: 42.00mm × 17.10mm × 25.50mm, includes detailed component measurements.



Laser Distance Sensor for Arduino, Raspberry Pi, MCU with Serial Port Options

LDL-10 Laser Distance Sensor module features VCC, GND, TXD, RXD, PWREN, and nRST pins. Includes pinout diagram with functions, default values, and descriptions for power, serial communication, reset, and ground.

Laser distance sensor interface shows real-time range, serial settings, status, and controls. Includes auto measurement, data logging, graphical distance charts, and detailed received data logs.





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