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youyeetoo Lidar YDLIDAR X4 PRO Range Distance 10 m Navigation & Obstacle Avoidance 360° Scan Angle EAI X4PRO ROS Learning robot

youyeetoo Lidar YDLIDAR X4 PRO Range Distance 10 m Navigation & Obstacle Avoidance 360° Scan Angle EAI X4PRO ROS Learning robot
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For downloading the Tools, Driver and Firmware use the following link:


EAI X4PRO Detailed Description

Comparison of structural differences between X4 and X4-Pro

1.Dimensions comparison


X4-Pro :110.6mm*71.5mm*59.4mm


2.Installation size comparison




YDLIDAR X4PRO is a 360 degrees two-dimensional rangefinder (hereinafter referred to as X4PRO) developed by EAI team. Based on the principle of triangulation, it is equipped with related optics, electricity, and algorithm design to achieve high-frequency and high- accuracy distance measurement. The mechanical structure rotates 360 degrees to continuously output the angle information as well as the point cloud data of the scanning environment while ranging.

Product Features

➢ 360 degrees omnidirectional scanning ranging distance measurement

➢ Small distance error, stable performance and high accuracy

➢ Wide ranging distance

➢ Strong resistance to ambient light interference

➢ Low power consumption, small size and long service life

➢ Laser power meets Class I laser safety standards

➢ Adjustable motor speed, scanning frequency is 6~12Hz

➢ High-speed ranging, ranging frequency up to 5kHz



➢ Robot navigation and obstacle avoidance

➢ Robot ROS teaching and research

➢ Regional security

➢ Environmental scanning and 3D reconstruction

➢ Navigation and obstacle avoidance of robot vacuum cleaner/ROS Learning robot


Development Kit

The X4PRO development kit has the following components:


USB Adapter board has two USB TYPE C interface:USB_DATA、USB_PWR.

USB_DATA: Data powered interface. In most cases, this interface can be used to meet power and communication requirements.

USB_PWR: Auxiliary power supply interface. The USB interface of some development platforms has weak current drive capability. At this time, auxiliary power supply can be used.


Device Connection

When evaluating and developing X4PRO under windows, X4PRO and PC needed to connected.The specific process is as follows:

Connect the adapter board with X4PRO first, then connect the USB cable to the USB port of the adapter board and the PC. Note that the Type-C interface of the USB cable is connected to the USB_DATA of the USB adapter board.

The drive current of USB interface of some development platforms or PC is not sufficient.X4PRO need to be connected to the auxiliary power supply of +5V, otherwise the lidar will be abnormal.

Installation and Dimensions

Performance Parameter

Note 1: The measurement range and relative accuracy above are the factory FQC standard value based on 80% reflectivity object.

Note 2: The relative error value indicates the accuracy of the Lidar measurement. Relative error (mean value) = (average measured distance-actual distance)/actual distance *100%, sample size: 100pcs.

Note 3: Lidar is a precision device. Please avoid using Lidar under high or low temperature or strong vibration situation, which might cause an exceeded relative error.


Electrical Parameter

Interface Definition

X4PRO provides a PH2.0-8P receptacle interface with functional interfaces for system power,data communication and motor control.







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Self-Help Shipping Guide


1. All item will be shippedwithin 48 hours on receipt of cleared payment.(The earlier you pay, the earlier we ship your order.) ​
2. If you need faster shipment, please choose DHL or EMS or FedEx IP(Shipping fare paid by yourself). Or we will deliver via the default method.
​3. Please make sure that your shipping address is 100% correct ​4. We ship items to worldwide with delivery time guarantee

Contact us

1.If you have any requestplease don't hesitate to contact us at first time we will help you and solve your issue within 24 hours.
​2. All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply you as soonas possible.
3. Warranty services are for replacements only, any problem please kindly email us frist, we will accept your advise & request.


1.Refund or resendnew for any orders due to the product quality problem. ​
2.We accept any unused itemin its original package as return within 7 days of delivery. Buyers must provide the tracking number, specific reason forthe return. ​
3. if it's buyer' s reason lead to the return package, buyers need to pay for round shipping fare. ​4. We will refund to buyer after we receive the returns in its original condition package. Or buyers could choose to have a replacement.


1.As your feedback is really important to us, please take a few minute to leave the positive feedback if you are satisfied with our products and service .Also we will do the same for you ASAP. Thanks! ​
2. Please don't hesitate to contact usbefore you leaving negative or neutralfeedback. We will try our best to resolve your problem and meet your need.

Please be aware that due to your computer monitor display the color may have some difference between the picture and the physical item

Please according to you to buy the dress fabric, select the corresponding fabric color chart

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