EN
EN
STA-LRK400X is a laser ranging module based on Time-of-Flight (ToF) technology. It integrates a dedicated controller and mature ranging algorithms, with a ranging frequency up to 4 kHz and a maximum measurement range of 120 m. It supports UART TTL output and can work stably in sunlight.
The module features high accuracy, compact size and light weight. It is highly suitable for system integration in small UAVs (altitude hold, obstacle avoidance, cruise).
Technical Specifications:
| Model | STA-LRK400X | |
| Ranging accuracy | ±0.1m | |
| Module size | ≤32*19*16mm | |
| range capability | Typical target | ≥300m, target reflectance 90% |
| Building survey | ≥120m | |
| Measure natural target | ≥80m | |
| Recent ranging | 0.1m | |
| Range frequency | 4KHz | |
| Resolution ratio | ±0.1m | |
| Working current | ≤200mA | |
| Standby current | ≤33mA | |
| Standby power consumption | ≤0.2W | |
| Power consumption | ≤0.6W | |
| CI | TTL | |
| Working temperature | -10℃~+55℃ | |
| Storage temperature | -20℃~+65℃ | |
| Input voltage | 5V | |
| Laser wave length | 905nm | |
| Beam divergence angle | 8 mrad | |
| Power | ≤ 1 mW safe for human eye | |
| Range finding method | impulse | |
| Weight | 7.7±0.2g | |
| The pin configuration of the STA-LRK400x module is illustrated in the diagram below. | |||||
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| Pin number | functional description | ||||
| 1 | VCC | ||||
| 2 | TXD | ||||
| 3 | RXD | ||||
| 4 | GND | ||||
| Pour ：
1. The communication interface of this module is TTL. 2.UART configuration: 1 start bit, 8 data bits, 1 stop bit, no parity check; |
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| DC CHARACTERISTICS | |||||
| parameter | test condition | least value | crest value | unit | |
| Operating voltage (Vin) | T=25°C | 2.5 | 5.0 | V | |
| working current （I） | stand by
(T=25°C, Vin=3.0V) |
– | 50.0 | mA | |
| range finding condition
(T=25°C, Vin=3.0V) |
– | 180.0 | mA | ||
Range performance maximum
350 m
Typical accuracy
±0.1 m
Range frequency
200 Hz
Range performance maximum
2000 m
Typical accuracy
±1 m
Weight
14 ± 0.5 g
Range performance maximum
1200 m
Typical accuracy
±1 m
Weight
14 ± 0.5 g
Range performance maximum
1200 m
Typical accuracy
±1 m
Weight
5 ± 0.5 g
Range performance maximum
2000 m
Typical accuracy
±1 m
Weight
10 ± 0.5 g
Range performance maximum
1500 m
Typical accuracy
±1 m
Weight
10 ± 0.5 g
