 | | Re: control large number of leds (?)
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Wow, I thought this list was dead. Hmmm. You're missing two key bits of information : 1) Do you want to individually control each LED's brightness? 2) How often do you wish to change the brightness? If you are attempting to make a television like (...) (20 years ago, 29-Feb-04, to lugnet.robotics.handyboard)
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| | control large number of leds (?)
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hi. i'm working in a project in which i'll need to control the brightness of about 700 leds. i've just begun to research solutions - and i'm not sure the hb is the right microcontroller for the job, but i thought perhaps an hb user on this list (...) (20 years ago, 29-Feb-04, to lugnet.robotics.handyboard)
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| | handyboard for sale
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Hi I have few NEW assembled handyboards for sale. if any one interested visit (URL) (20 years ago, 13-Dec-03, to lugnet.robotics.handyboard)
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| | lego reflectance sensors
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Hello, we are using Lego reflectance sensors for an experiment and the HB is showing a rather strange behavior. If we plug a single sensor in the expansion board, it works fine, but when two of them are connected, then none of them work. Even more, (...) (21 years ago, 31-Oct-03, to lugnet.robotics.handyboard)
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| | hady board short circuit...
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Hello, when I switch the HB on, first both -- batt and pow -- lights are on for a second and inmediatelly, both become off again. The U13 voltage regulator gets very hot in few seconds. I've changed that unit but there is no change in the board's (...) (21 years ago, 22-Oct-03, to lugnet.robotics.handyboard)
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| | Compass sensor and Ultrasonic Range Finder
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Hi, all: I am a new user of Handy board. And I have a problem with assembling the Compass sensor and Ultrasonic Range Finder. Compass sensor's model is CMPS03 and Ultrasonic Range Finder is SRF04(Please visit (URL) for more details). And I find that (...) (21 years ago, 21-Oct-03, to lugnet.robotics.handyboard)
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| | lego angle sensor
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Hello, I have problems while trying to read the lego rotation sensor using the expansion board. I include the "Explego.icb" file and read the counter using lego$i_counts variable. I have tested the program with the same sensor in a different HB and (...) (21 years ago, 21-Oct-03, to lugnet.robotics.handyboard)
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| | Motor Problem
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HI! Actually i am having Problem while working on my robatics projcet,actually my motors takes 3Amp under load i am using handyboard for this,so when the motors operate under load it stop working and the IC(LM293D) gets hot, so if any body can help (...) (21 years ago, 16-May-03, to lugnet.robotics.handyboard)
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| | IC datatype Problem
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Hi! I am having a problem with using IC actually i am using handy board for a robatic project. Problem: i want to use handy board knob fuction which return integer value. so when i assign this value to float variable which i wanna used ,it don't (...) (21 years ago, 12-May-03, to lugnet.robotics.handyboard)
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| | Sensor Assembly Problem
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Hi, I'm using the handyboard for a robotics competition, and I have been having a problem when I use my compass and sonar together. I am using a Daventech SRF04 ultrasonic ranger, and a Daventech compass. Here is the problem: I can read the sonar (...) (21 years ago, 4-Apr-03, to lugnet.robotics.handyboard)
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