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| 1 | +--- |
| 2 | +layout: archive |
| 3 | +lang: en |
| 4 | +ref: appendix_lds_03 |
| 5 | +read_time: true |
| 6 | +share: true |
| 7 | +author_profile: false |
| 8 | +permalink: /docs/en/platform/turtlebot3/appendix_lds_03/ |
| 9 | +sidebar: |
| 10 | + title: TurtleBot3 |
| 11 | + nav: "turtlebot3" |
| 12 | +product_group: turtlebot3 |
| 13 | +page_number: 31 |
| 14 | +--- |
| 15 | + |
| 16 | +<style>body {counter-reset: h1 13 !important;}</style> |
| 17 | +<div style="counter-reset: h2 1"></div> |
| 18 | +<div style="counter-reset: h3 3"></div> |
| 19 | + |
| 20 | +<!--[dummy Header 1]> |
| 21 | + <h1 id="dummy">More Info</h1> |
| 22 | + <h2 id="dummy">Appendixes: LDS-03</h2> |
| 23 | + <p class=dummy_content>360 Laser Distance Sensor v3</p> |
| 24 | +<![end dummy Header 1]--> |
| 25 | + |
| 26 | +### [LDS-03](#lds-03) |
| 27 | + |
| 28 | +[The previous LDS sensor(LDS-02)](/docs/en/platform/turtlebot3/appendix_lds_02/) is discontinued and replaced with LDS-03 since 2025. |
| 29 | + |
| 30 | +#### [Overview](#overview) |
| 31 | + |
| 32 | + |
| 33 | + |
| 34 | + |
| 35 | +- 360 Laser Distance Sensor LDS-03 is a 2D laser scanner capable of sensing 360 degrees that collects a set of data around the robot to use for SLAM (Simultaneous Localization and Mapping) and Navigation. |
| 36 | +- The LDS-03 is used for TurtleBot3 Burger and Waffle Pi models. |
| 37 | +- Only Tx UART interface is available for the LDS-03 sensor. |
| 38 | +- The USB interface(USB2LDS) supports easier connection to a PC or SBC. |
| 39 | + |
| 40 | +#### [Specifications](#specifications) |
| 41 | + |
| 42 | +##### [General Specifications](#general-specifications) |
| 43 | + |
| 44 | +| Items | Specifications | |
| 45 | +|:-------------------------|:---------------------------------------------------------------------| |
| 46 | +| Operating supply voltage | 5V DC ± 10% | |
| 47 | +| LASER Wave Length | VCSEL Laser (λ=905 nm) | |
| 48 | +| LASER safety | Class I (IEC-60825) | |
| 49 | +| Current consumption | 240 ~ 320 mA | |
| 50 | +| Detection distance | 0.05 ~ 12 m | |
| 51 | +| Interface | 3.3V USART (115200 bps, 8 data bits, no parity, 1 stop bit), Tx Only | |
| 52 | +| Ambient Light Resistance | 60,000 lux | |
| 53 | +| Life Time | 10,000 hrs | |
| 54 | +| Sampling Rate | 4kHz (Fixed) | |
| 55 | +| Operating Temperature | -10 ~ 50 °C | |
| 56 | +| Storage Temperature | -30 ~ 70 °C | |
| 57 | +| Dimensions | 54.7(W) X 39.7(D) X 34(H)mm | |
| 58 | +| Mass | 42 g | |
| 59 | + |
| 60 | +##### [Measurement Performance Specifications](#measurement-performance-specifications) |
| 61 | + |
| 62 | +| Items | Specifications | |
| 63 | +|:-------------------------------------|:---------------| |
| 64 | +| Distance Range | 0.05 ~ 12 m | |
| 65 | +| Distance Accuracy (0.05 ~ 1 m) | ±10mm | |
| 66 | +| Distance Accuracy(1 m ~ ) | ±20mm | |
| 67 | +| `1` Scan Frequency | 10 Hz | |
| 68 | +| Angular Range | 360 ° | |
| 69 | +| `2` Angular Resolution | 0.9 ° | |
| 70 | + |
| 71 | + |
| 72 | +**NOTE :** |
| 73 | +`1` Scan Frequency may vary by each product. |
| 74 | +`2` Due to the fixed sampling rate, the Angular Resolution may vary by the Scan Frequency. |
| 75 | +{: .notice} |
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