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cball NXT Infrared Ball Sensor
Price per Unit (piece):
AU$49.99
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- 8 x infrared photodetectors arranged in a 180 degree semi-circle
- No calibration required, automatically reads background light levels on startup
- LEGO® NXT Digital Sensor including NXT style socket
- Provides signal for either no roboball can be seen or strongest photodetector signal
- Digital output provides access to all sensor data including raw readings and background readings
- Four leds for indication of strongest photodetector
- Mounting holes are compatible with Technic LEGO® blocks (two 2x1 blocks included)
This sensor supports the standard LEGO® NXT Digital Sensor registersas follows. The cball NXT I2C address = 0xB0 Hexadecimal (176 Decimal). More information can be found on the cball NXT Sensor Product Information Page. | Command Description | Command (Hexadecimal) | Command (Decimal) | Output Value | Photodetector number with maximum infrared signal
(zero = all less than background)
| 0x40 | 64 | 0 - 8 | | Same as 0x40 command except intensity encoded in highest 4 bits | 0x41 | 65 | High 4 bits:
strong: 4, weak: 2
Low 4 bits: 0 - 8 | | Raw reading of photodetector with maximum infrared signal | 0x42 | 66 | 0 - 255 | | Raw readings for each of the 8 photodetectors | 0x43 - 0x4A | 67 - 74
| 0 - 255 | | Raw reading from photodetector with maximum background signal | 0x4B | 75 | 0 - 255 | Raw background readings for each of the 8 photodetectors (1-8)
| 0x4C - 0x53
| 76 - 83 | 0 - 255 |
Documents:
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In Stock: 18
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