LEGO MINDSTORMS Robots, Manual, Page: 123 / 226

Table 6-8. Input Type Values
Value Description
0 Raw
1 Touch senso
2 Temperature sensor
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Table 6-8. Input Type Values (continued)
Value Description
3 Light sensor
4 Rotation sensor
SENSOR_MODE (mode index -- )
This word sets the mode of the given input. An input's mode determines how the sensor values will be interpreted. The modes are shown in Table 6-9.
Table 6-9. Input Mode Values
Value (hexadecimal) Description
0 Raw sensor value from 0 to 1023
20 Boolean, either 1 or 0
40 Counts transitions from 1 to 0 and vice versa (edge counting)
60 Counts transitions from 1 to 0 (pulse counting)
80 Percent from 0 to 100
A0 Celsius temperature
C0 Fahrenheit temperature
E0 Shaft angle, 16 counts per full revolution
The following example shows how you could configure input 3 for a light sensor: