Hokuyo URG-04LX Laser

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More Details:

The sensor comes with diagnostic software and detailed information on the simple serial protocol used to manipulate the readings, turn on/off the laser, and interact with this rich sensor.

Specifications:

Specifications
Power source	5V +/-5%
Current consumption	0.5A (Rush current 0.8A)
Detection range	0.02 to approximately 4m
Laser wavelength	785nm, Class 1
Scan angle	240°
Scan time	100msec/scan (40.0Hz)
Angular Resolution	0.36°
Interface	USB 2.0, RS232
Weight	5.0 oz (141 gm)

Interfacing Details:

The sensor is not powered through a USB connection. A stable power source at 5VDC and a current capacity of 1.5A is recommended.

Interface Cable Details
Output (Synchronous output)	Black
RxD	Yellow
TxD	Green
5VDC (Power)	Brown
0VDC (Power)	Blue

The sensor also includes necessary wiring hardware to interface to the sensor via a serial connection. Additional cables can be purchased if necessary.

Dimensions:

The sensor has an RS-232 compatible interface as well as USB. The RS-232 measures roughly -6.3V meaning it is likely internally driven by a 3.3V charge pump chip for the RS-232 interface level shifting. This means it is best to interact at RS-232 levels (spec says -10 to 10V) when using the serial interface.

Product
Resources

3D CAD (IGIS) File of ranger

Adobe Acrobat (PDF) Hokuyo Brochure

Adobe Acrobat (PDF) Hokuyo Specifications