Tag Archives: sensors

EVShield: Arduino Shield for EV3 & NXT Motors & Sensors

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OpenElectronsOpenElectrons.com have a new Arduino Shield being readied for release in the near future. You can use it to make Robots with ‘Arduino Brains‘, using either LEGO Mindstorms EV3 or NXT Motors, Sensors, and other Arduino compatible parts. If you wish, you can also attach a selection of available Arduino Shields on top of the EVShield.

Bricktronics Megashield Kit for NXT Motors & Sensors

Bricktronics Shield
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Want too build awesome robotic contraptions using LEGO Mindstorms NXT motors and sensors and your Arduino Mega? Well now thanks to the boys at Bricktronics, you can with there Bricktronics Megashield Kit.

RobotC: Using Multiple Ultrasonic (Sonar) Sensors

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When using Multiple Ultrasonic (Sonar) Sensors together, you need to configure the Sensors to use ‘Single Shot Mode’, so only ONE Sensor is taking a measurement at any time. If you have all the Ultrasonic Sensors on at once they interfere with each other and give incorrect readings. To get around these issues, you need to take advantage of the LEGO Sonar Sensor’s Mode 1: Single Shot Mode.

Extending the NXT Wifi Sensor’s Range

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The Dexter Industries Wifi Sensor allows your Lego Mindstorms NXT robots to connect to the internet and send and receive data via a local Wifi network. The I found that the Wifi Sensor had issues with signal levels, which is primary cause is my homes design. Laptops have issues as well in some areas as well.

Using Multiple Ultrasonic Sensors

Omni-Bot II
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If you wish to use Multiple Ultrasonic Sensors on your NXT Robot, you need to program them so only ONE Sensor is taking a measurement at any time. If you have all the Ultrasonic Sensors on at once they interfere with each other and give incorrect readings. To get around this you need to take advantage of the Sensors Mode 3: Event Capture Mode.



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