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mindstorms:kit [2008/11/27 18:18] kkluza |
mindstorms:kit [2019/06/27 15:50] (current) |
====== Mindstorms Kit ====== | ====== Mindstorms Kit ====== |
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===== Kit infromation ===== | ===== Kit information ===== |
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* Min. age: 7 yo. | * Min. age: 7 yo. |
* Measurments: 380x380x110 mm. | * Measurements: 380x380x110 mm. |
* Weight: 2,3 kg. | * Weight: 2,3 kg. |
* Power source: 6 AA batteries. | * Power source: 6 AA batteries. |
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In each kit there are 3 servomotors: | In each kit there are 3 servomotors: |
* useful to control revs | * useful to control revs, |
* with revenue sensors, useful to precise tracking of propeller shaft position | * with revenue sensors, useful to precise tracking of propeller shaft position. |
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== Links == | == Links == |
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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. |
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== Links == | == Links == |
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=== 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. |
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Range: 0-255 cm, precision +/- 3 cm. | Range: 0-255 cm. |
| Precision +/- 3 cm. |
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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.) |
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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. |
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== Links == | == Links == |
* http://mindstorms.lego.com/Overview/Ultrasonic_Sensor.aspx | * http://mindstorms.lego.com/Overview/Ultrasonic_Sensor.aspx |
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=== 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 |
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=== Light sensor === | === Light sensor === |
* useful to differentiate lightness and darkness | Light sensor: |
* returns the light intensity | * is useful to differentiate lightness and darkness, |
* measure the light intensity reflected from colorful surfaces (indirect color detection) | * returns the light intensity, |
| * 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 |
==== Testpad ==== | ==== Testpad ==== |
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* Dimensions: 90 cm x 60 cm | * Dimensions: 90 cm x 60 cm. |
* Used to test robots | * Used for testing robots. |
* Content: | * Content: |
* colorful fields to calibrate color sensor | * colorful fields to calibrate color sensor, |
* area limited by black line to test robots moving inside | * area limited by black line to test robots moving inside, |
* ruler to check indications of distance sensors | * ruler to check indications of distance sensors, |
* field to analise robot's rotation | * field to analyze robot's rotation. |
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== Links == | |
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| ==== Combining components ==== |
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| 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. |
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===== More about kit ===== | ===== More about kit ===== |