A Compact, Low-Power TOF Laser Ranging Sensor for Industrial and Consumer Applications
O LDL-T is a next-generation TOF laser ranging sensor based on indirect Time-of-Flight (iToF) phase-shift technology. As a leading TOF laser ranging sensor in its class, it delivers exceptional accuracy, flexible measurement modes, and reliable performance for robotics, automation, and portable devices.
🔥 Why Choose This TOF Laser Ranging Sensor?
1. Industry-Leading Accuracy
-
Exatidão: ±(1 mm + D/10000)
-
Resolução: 1 mm
-
Alcance: 0.03 m – 60 m
-
Este TOF laser ranging sensor uses iToF phase-shift method to achieve resolução ao nível do milímetro – much higher than conventional dToF sensors in short-to-medium range.
2. Flexible Measurement Modes for Every Application
| Modo | Descrição |
|---|---|
| Single Measurement | One result per trigger – ideal for on-demand ranging |
| Continuous Measurement | 5Hz / 30Hz / 100Hz adjustable – perfect for real-time tracking |
| Multi-Node Measurement | Broadcast command (0x7F) triggers all modules simultaneously |
3. Ultra-Compact & Lightweight
-
27.87 × 17.03 × 7.01 mm – smaller than a coin
-
3 grams – easily embed into drones, robots, or handheld devices
4. Ultra-Low Power Consumption
-
Dry cell (2.5–3.6V): <100mA continuous, <30mA standby, <10μA shutdown
-
Li-ion (3.5–4.2V): <80mA continuous, <30mA standby, <8μA shutdown
-
Ideal for battery-powered IoT and portable devices
5. Robust Networking Capability
-
Supports up to 8 modules per network segment and up to 128 modules total
-
Simples USART (TTL 3.3V) interface, expandable to RS232 / RS485
-
Automatic baud rate detection (9600–115200 bps) or fixed baud rate options
6. Safe Laser Emission
-
CLASS II laser (<1mW, 610–690nm) – safe for consumer use
-
Compliant with IEC 60825-1 standard
7. Wide Environmental Adaptability
-
Temperatura de funcionamento: -10°C to +50°C (14°F to 122°F)
-
Temperatura de armazenamento: -25°C to +60°C (-13°F to 140°F)
💡 Application Cases
🤖 Robotics & AGV
-
Obstacle avoidance and anti-collision using the TOF laser ranging sensor
-
Docking assistance for autonomous mobile robots
-
Precision positioning for robotic arms
🏭 Industrial Automation
-
Level monitoring in silos and tanks with a reliable TOF laser ranging sensor
-
Conveyor belt object dimensioning
-
Machine safety zones and presence detection
📦 Smart Logistics & Warehousing
-
Automated warehouse bin occupancy detection
-
Dimensioning of parcels for sorting systems
-
Forklift collision warning systems
🏠 Smart Home & Building Automation
-
Automatic door opening triggers
-
Smart lock distance detection – all enabled by a compact TOF laser ranging sensor
🔧 Handheld Measuring Instruments
-
Laser distance measurers (LDMs)
-
Construction and renovation tools
-
Real estate room sizing devices
🚁 Drones & UAVs
-
Altitude hold and terrain following
-
Precision landing assistance
-
Collision avoidance in indoor navigation
🅿️ Smart Parking Systems
-
Parking space occupancy detection
-
Vehicle presence and height monitoring
📊 Technical Specifications
| Parâmetro | Valor |
|---|---|
| Gama | 0.03 – 60 m |
| Exatidão | ±(1 mm + D/10000) |
| Resolução | 1 mm |
| Continuous Freq. | 5 / 30 / 100 Hz |
| Classe Laser | CLASS II (<1mW, 610-690nm) |
| Interface | USART (TTL 3.3V) |
| Supply (Dry) | 2.5–3.6V |
| Supply (Li-ion) | 3.5–4.2V |
| Dimensões | 27.87×17.03×7.01 mm |
| Peso | 3 g |
| Operating Temp. | -10°C to +50°C |
Custom baud rates and wider temperature ranges available upon request.
🔌 Simple Integration
Pin connections (6 pins, 0.5mm pitch):
-
VCC – Power input
-
PWREN – Module enable (active high)
-
GND – Ground
-
TXD – Serial transmit (3.3V TTL)
-
nRST – Reset (optional)
-
RXD – Serial receive
Communication settings: 8 data bits, 1 stop bit, no parity, baud rate 9600–115200 bps.
Full command set and timing diagrams are available in the LDL-T User Manual.
Compare different Meskernel laser distance sensor models in video demos
Ordering Information
| Modelo | Power Version | Typical Voltage | Leakage Current |
|---|---|---|---|
| LDL-T-Dry | Dry cell | 3.3 V | <10 μA |
| LDL-T-Li | Lithium battery | 4.0 V | <8 μA |
Both versions are the same compact TOF laser ranging sensor with identical mechanical dimensions and communication protocol.
