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mindstorms:kit [2008/11/27 21:31] kkluza |
mindstorms:kit [2009/02/18 21:38] holownia |
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| === Sound sensor === | === Sound sensor === | ||
| - | * microphone with possibility of sound intensity measurement, | + | Sound sensor is a microphone with possibility of sound intensity measurement, which: |
| * returns sound intensity in [dB] and in [dBA], | * returns sound intensity in [dB] and in [dBA], | ||
| - | * range to 90 dB, | + | * has a range of up to 90 dB, |
| - | * percentage scale of sound intensity. | + | * determines percentage scale of sound intensity. |
| == Links == | == Links == | ||
| Line 85: | Line 85: | ||
| === Ultrasonic sensor === | === Ultrasonic sensor === | ||
| - | It can be used to: | + | Ultrasonic sensor can be used: |
| - | * measure distance from barrier (cm and inches), | + | * to measure distance from barrier (cm and inches), |
| - | * detect objects, | + | * to detect objects, |
| - | * detect movement. | + | * to detect movement. |
| - | Range: 0-255 cm, precision +/- 3 cm. | + | Range: 0-255 cm. |
| + | Precision +/- 3 cm. | ||
| - | How it works?: | + | How it works? \\ |
| - | Distance is calculated on the basis of time of sound wave return to robot after barrier bounce. (The same rule is used by bats and submarines.) | + | Distance is calculated on the basis of time of sound wave return to robot after barrier bounce. (The same rule is used by bats and sonars.) |
| Notices: | Notices: | ||
| - | * If there are more then 1 ultrasonic sensor in the same room, there can exist some interferences and the sensor can work not correct. | + | * If there are more then 1 ultrasonic sensor in the same room, there can exist some interferences and the sensor can work incorrect. |
| * Curved surfaces (eg. spheres) are difficult to detect. | * Curved surfaces (eg. spheres) are difficult to detect. | ||
| + | |||
| == Links == | == Links == | ||
| * http://mindstorms.lego.com/Overview/Ultrasonic_Sensor.aspx | * http://mindstorms.lego.com/Overview/Ultrasonic_Sensor.aspx | ||
| === Touch sensor === | === Touch sensor === | ||
| - | * detects toutches with the orange button, | + | |
| - | * can differentiate 3 states of touch: | + | Touch sensor detects touches with the orange button, which can differentiate 3 states of touch: |
| * pressed, | * pressed, | ||
| * bumped, | * bumped, | ||
| * released. | * released. | ||
| - | * additional: 3 buttons on NXT Brick (left, right, center) can be set as touch detectors. | + | |
| + | In addition 3 buttons on NXT Brick (left, right, center) can be set as touch detectors. | ||
| == Links == | == Links == | ||
| * http://mindstorms.lego.com/Overview/Touch_Sensor.aspx | * http://mindstorms.lego.com/Overview/Touch_Sensor.aspx | ||
| Line 113: | Line 117: | ||
| === Light sensor === | === Light sensor === | ||
| - | * useful to differentiate lightness and darkness, | + | Light sensor: |
| + | * is useful to differentiate lightness and darkness, | ||
| * returns the light intensity, | * returns the light intensity, | ||
| - | * measure the light intensity reflected from colorful surfaces (indirect color detection). | + | * measures the light intensity reflected from colorful surfaces (indirect color detection). |
| == Links == | == Links == | ||
| * http://mindstorms.lego.com/Overview/Light_Sensor.aspx | * http://mindstorms.lego.com/Overview/Light_Sensor.aspx | ||
| Line 130: | Line 136: | ||
| * field to analyze robot's rotation. | * field to analyze robot's rotation. | ||
| + | ==== Combining components ==== | ||
| - | + | Motors used for movement should be connected to B and C ports. Motor used for an extra function – to A port. | |
| - | + | Standard input port connections (can be different): | |
| - | + | * Port 1: touch sensor. | |
| + | * Port 2: sound sensor. | ||
| + | * Port 3: light sensor. | ||
| + | * Port 4: ultrasonic sensor. | ||
| ===== More about kit ===== | ===== More about kit ===== | ||
