Is the uart baud rate selectable ?

It's fixed UART baud rate for A1M8.

If you have a drone or robot it detects distance. Setup is not novice friendly.

can I limit the angle of rotation using code? I only want it to scan within a 90 degree range.

It's mechanically coupled to a motor with a belt drive. The motor may be a stepper, but in any case it needs to rotate with a constant angular velocity because the laser pulses are timed. Mechanically limiting the sweep would be counter productive - it would need to slow down and then re-accelerate the laser head. That would mean variable times between samples, and also it's probably slower to do than just letting the thing rotate the remaining 270 degrees. But in software you could limit the samples you analyze all you wanted to.

What power source is required for this? I want to use it on a Raspberry Pi

You have to use a shield w/power supply.

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seeed studio RPLIDAR A1M8-R6 360 Degree 2D Laser Range Scanner Kit, 8000 Times Sample Rate and 12 Meters Distance Radar Sensor Module for Intelligent Obstacle/Robot/Avoidance/Maker Education

seeed studio RPLIDAR A1M8-R6 360 Degree 2D Laser Range Scanner Kit, 8000 Times Sample Rate and 12 Meters Distance Radar Sensor Module for Intelligent Obstacle/Robot/Avoidance/Maker Education

Product ID: 88923612

Details

Brand
seeed studio
Color
A1M8
Item Weight
170 g
Magnification Maximum
8000 x
Water Resistance Level
Waterproof

🌐360° Scanning

📏8000Hz Sample Rate

🔌Plug & Play

Description

🚀 Scan the Future: Where Precision Meets Innovation!

INNOVATIVE LONGEVITY - Leverage OPTMAG technology for enhanced durability and reduced wear on electrical connections.
EFFORTLESS INTEGRATION - Enjoy seamless connectivity with plug-and-play functionality—no coding required!
VERSATILE APPLICATIONS - Perfect for robotics, smart toys, and environmental scanning—unlock endless possibilities!
OMNIDIRECTIONAL AWARENESS - Capture your surroundings with a full 360-degree laser range scan, generating detailed environmental maps.
PRECISION AT YOUR FINGERTIPS - Experience the highest performance in the COSPA LIDAR industry with an 8000 times/s sampling rate.

The Seeed Studio RPLIDAR A1M8-R6 is a cutting-edge 360-degree 2D laser range scanner kit designed for high accuracy and versatility. With an impressive sampling rate of 8000 times per second and a maximum range of 12 meters, this device is ideal for various applications, including robotics, obstacle avoidance, and environmental mapping. Its plug-and-play design ensures easy integration, making it accessible for both professionals and makers alike.

Specifications

ASIN	B07H7X3SFF
Best Sellers Rank	#665,776 in Electronics ( See Top 100 in Electronics ) #1,917 in Motion Detectors (Electronics)
Brand Name	seeed studio
Color	A1M8
Customer Reviews	3.9 3.9 out of 5 stars (36)
International Protection Rating	IP54
Item Weight	170 g
Magnification Maximum	8000 x
Manufacturer	seeed studio
Manufacturer Part Number	110991065F
Measuring Range	6 meters
Model Number	110991065F
Number of Items	1
UPC	886268598981 712121885427 681413755499
Unit Count	1 Count
Water Resistance Level	Waterproof

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