NXT Ultra Sound Sensor (Sonar)

[Ben Huerta]

NXT
I have had good success with the MonoBrick .Net library *except* when trying to use the Ultra Sound (Sonar) sensor. Is there a known bug for this method? I cant seem to get it to work. I get a StackOverFlowException.

Using Visual Studios 2012

Code is basically…

var nxt = new Brick<Sensor, Sensor, Sensor, Sensor>(“usb”);
string ret = “”;

// nxt.Connection.Open();

nxt.Sensor1 = new Sonar();

ret = nxt.Sensor1.ReadAsString();

[Tcm0]

I think that just “Read()” could work better.

[Ben Huerta]

Thanks but I don’t think there is a Read() method.

[Ben Huerta]

Ok, I got it to work. I switched the connection form USB (“usb”) to Bluetooth (“com6”) <- (my com port, yours may be different depending on your PC connection). I’m not sure what’s going on with the USB connection but this gives me something to focus on.

Thank you

[Tcm0]

There is a Read() method according to http://www.monobrick.dk/MonoBrickDocumentation/class_mono_brick_1_1_e_v3_1_1_ultrasonic_sensor.html
But it’s great that it directly works with bluetooth 🙂

[Ben Huerta]

Oh I see the confusion. I am using the NXT class and you are referring to the EV3 class. Thanks again for your time with this Tcm0 I truly appreciate it. I’ll check out that method.

[Tcm0]

Oh, sorry for the confusion. But the NXT class has a mode to read the values as int, too: ReadDistance ()
http://www.monobrick.dk/MonoBrickDocumentation/class_mono_brick_1_1_n_x_t_1_1_sonar.html

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