 | | Moving NXT motors by hand
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Hi: Sometimes my son and I move the NXT motors by hand, for instance, by attaching something to the holes in the orange hubs to act as a crank. We wonder if that's bad for the motors. Does anyone have an opinion? Regards, John and Will (17 years ago, 28-May-07, to lugnet.robotics.nxt)
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| | robosoccer ball problem
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Hi all, I am trying to get some middle school kids playing a bit with the robosoccer idea. I don't want to frustrate them with the fluctuating IR ball. So, I am planning to find a constant "lighted" ball for them instead, but no luck. Wonder if (...) (18 years ago, 28-May-07, to lugnet.robotics.nxt)
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| | Gripper/Register for Light Sensor Experiment
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I want to create a platform for experimenting with the light sensor. At the moment, I'm thinking of cutting off the gray-scale and color bars off the NXT Test Pad that comes from the commercial kit. The strip would then be mounted on some device, (...) (18 years ago, 26-May-07, to lugnet.robotics.nxt)
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| | Re: Using NXT Port 4 EIA-485
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(...) Does anybody have an NXC program that demonstrates the use of RS485 communications? (18 years ago, 25-May-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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| | Re: bitwise operators
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(...) ...and if you are talking about NXT-G, there is a bitwise manipulation block, written by Mike Gasperi and Steve Hassenplug, available here: (URL) list of available blocks is here: (URL) (18 years ago, 25-May-07, to lugnet.robotics.nxt)
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| | Re: bitwise operators
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(...) Are you talking about NXC or NBC or some other programming language? The standard NXT firmware does support bitwise logical operators such as and, or, and xor. In both NXC and NBC you can use these operations as you would expect in a C-like (...) (18 years ago, 24-May-07, to lugnet.robotics.nxt)
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| | bitwise operators
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I looked thru the doc, it looks like it does not allow bitwise operators like IOR, XOR, AND, etc. Is this correct? Or, I have overlooked something? --thanks Elizabeth (18 years ago, 24-May-07, to lugnet.robotics.nxt)
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| | RE: determine the degree of turning by using ultrasonic sensor
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Ok... I wrap every sequence of motion control with mutex. I created a movement macro which basically just wrap the command(s) around with acquire and release. By the way, would someone tells me how I'll find out how the mutex datatype implemented. (...) (18 years ago, 22-May-07, to lugnet.robotics.nxt)
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| | RE: determine the degree of turning by using ultrasonic sensor
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Found it... RotateMotor(OUT_C, 100, turn); x = MotorRotationCount(OUT_C); --E -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of Elizabeth Mabrey Sent: Tuesday, May 22, 2007 12:57 PM To: (...) (18 years ago, 22-May-07, to lugnet.robotics.nxt)
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| | determine the degree of turning by using ultrasonic sensor
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Is it quick way to determining the # of degree or some value which will help to calculate the distance travelled. more or less like the x= rotation-click.. Is it a way to read how much the motor has turned from a certain point. - Reset motor/sensor (...) (18 years ago, 22-May-07, to lugnet.robotics.nxt)
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