Changing the I2C Address
The factory default I2C address of NXTCam is 0x02.
This address can be changed. To set an address different from default address,
send sequence of following commands on the command register:
0xA0, 0xAA, 0xA5, <new I2C address>
Note: Send these commands with no break/read operation in between. This new
address is effective immediately. Please note down your new address for future
reference.
Alternately, you can download device scan and address change programs from
following URLs, and change them to suit your needs:
RobotC:
http://www.mindsensors.com/index.php?
module=documents&JAS_DocumentManager_op=viewDocument&JAS_Document_id=
18
NXC:
http://www.mindsensors.com/index.php?
module=documents&JAS_DocumentManager_op=viewDocument&JAS_Document_id=
52
Troubleshooting NXTCam communication
Troubleshooting NXTCam communication with your PC
To ensure USB drivers are installed properly, follow these steps:
1. Ensure to install the USB drivers as mentioned in this document.
2. Connect the NXTcam using a USB cable to your computer.
3. From Start menu -> Right click on Computer, select 'Properties', select
'Hardware' tab, and select the 'Device Manager'.
4. Expand the 'Universal Serial Bus Controller' entry.
5. You should see 'NXTCam' listed.
6. In the same Device Manager, Expand ‘Ports (COM & LPT) entry.
7. You should see a COM port listed for NXTCam (this is the COM port you
should use for your viewer software configuration).
To ensure actual USB communication, follow these steps:
Install TeraTerm from following URL:
http://ttssh2.sourceforge.jp/
mindsensors.com
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