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PDF SRF02 Data sheet ( Hoja de datos )
| Número de pieza | SRF02 | |
| Descripción | Ultrasonic Range Finder Tech | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SRF02 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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SRF02 Ultra sonic range finder
http://www.robotelectronics.co.uk/htm/srf02techI2C.htm
SRF02 Ultr asonic r ange finder
Technical Specification
I2C Mode
For Serial mode click here
I2C Communication
To use the SRF02 in I2C mode, make sure nothing is connected to the mode pin, it must be left
unconnected.
The I2C bus is available on popular controllers such as the OOPic, Stamp BS2p, PicAxe etc. as well as a
wide variety of microcontrollers. To the programmer the SRF02 behaves in the same way as the
ubiquitous 24xx series EEPROM's, except that the I2C address is different. The default shipped address of
the SRF02 is 0xE0. It can be changed by the user to any of 16 addresses E0, E2, E4, E6, E8, EA, EC, EE,
F0, F2, F4, F6, F8, FA, FC or FE, therefore up to 16 sonar's can be used.
Connections
The connections to the SRF02 are identical to the SRF08 and SRF10 rangers. The "Mode" pin should be
left unconnected, it has an internal pullup resistor. The SCL and SDA lines should each have a pullup
resistor to +5v somewhere on the I2C bus. You only need one pair of resistors, not a pair for every
module. They are normally located with the bus master rather than the slaves. The SRF02 is always a slave
never a bus master. If you need them, I recommend 1.8k resistors. Some modules such as the OOPic
already have pullup resistors and you do not need to add any more.
R egist er s
The SRF02 appears as a set of 6 registers.
Location
Read
Write
0
Software
Revision
Command Register
1
Unused (reads
0x80)
N/A
2 Range High Byte
N/A
3 Range Low Byte
N/A
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Autotune
4 Minimum High
N/A
Byte
Autotune
5 Minimum Low
N/A
Byte
Only location 0 can be written to. Location 0 is the command register and is used to start a ranging
1 of 4
06/11/2006 22.24
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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet SRF02.PDF ] | |
Hoja de datos destacado
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