 | | Re: Various Basic Issues
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<snip!> (...) I believe it is a subset of striaght C. However, I never learned C: I junped straight into C++ before even getting my HB. However, programming was of no dificulty to me, even thought I only knew C++ (...) IC will work on a computer. I (...) (26 years ago, 28-Jul-98, to lugnet.robotics.handyboard)
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| | FS: Extra HandyBoard for sale
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I have one extra HandyBoard that I will sell if anyone needs one. It is a fully assembled and tested board with Serial Interface/Charger Board and cases. It has never been used in a project (about 2 months old). I built two of these and find that I (...) (26 years ago, 28-Jul-98, to lugnet.robotics.handyboard)
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| | [Fwd: Various Basic Issues]
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Length: 1148 (26 years ago, 28-Jul-98, to lugnet.robotics.handyboard)
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| | IC Floating Point Bug
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I've been making use of floating point for the first time on the HB and am having problems. The following program demonstrates the kinds of bugs I've been encountering: ----(cut here)---...--- int main() { float a; float b; float c; /* This program (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | sonar.c for the handyboard
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Hello, I have a handyboard and 6500 series poloroid ultrasonic ranging system. I have downloaded the sonar.c programs used to drive the transducer for distance measurements. There appears to be a problem, or atleast I think there is, with it. The (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Sumo-Robots
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look at (URL) for th Dutch sumo-robotics Greetz Emiel ---...--- (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: motor power problems
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In a message dated 98-07-24 20:49:35 EDT, you write: << Has anyone had similar problems, and if so how did you solve them? I know there's a way to provide a separate power supply for the motors, but I'd rather not cut traces on the board except as a (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Various Basic Issues
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Howdy from Texas. I have set myself the goal of making a robot with the handyboard -- just for the learning of it. Until 2 days ago I had zero knowledge of electronics, although I am teaching myself using some kits and books. I also do not know C (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: troubleshooting
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ok, i finished the digital input circuit and the first time i turned it on both green and red lights stayed illuminated so i checked the orientation of all the chips and they were correct so i removed and reinserted them for good measure. This (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: IR Emmiter and Detector for RW Pro
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Hi ! You get a fantastic collection of datasheets and component specs at www.questlink.com regards..... Rajaraman. -----Original Message----- From: Javaid Iqbal <javaid@student.unsw.edu.au> To: Handy Board <handyboard@media.mit.edu> Date: Sunday, (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | ELMO
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Hello all, From December 1997 until now I've been working on my Master's project. It consisted of a theoretical part and a practical part. In the practical part I made a little mobile robot using a Handy Board. In the next couple of weeks I will be (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | 68hc11F1
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Hello all, Thanks for all the replies that you have send. My board is now working, at 16 mhz with flash and ram. Richard (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | RE: fischertechnik
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First of all, the HandyBoard works fine with fischertechnik. I've been using fischertechnik for a variety of purposes since about 1980. I've also used Lego Technic, although less extensively, for ten years or so. Size/Scale: If you build identically (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: troubleshooting
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In your message you said: (...) good.... (...) yes, this is normal -- before you load pcode_hb.s19, the LCD is just as you describe. (...) d (...) I'm not clear the problem. if you enable "ignore feedback", does it then download properly? if so, (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | troubleshooting
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I have a problem assembleing my hanyboard. I am at the stage where i am doing the digital input circuit. Before this I successfully loaded pcode_hb.s19 into the handyboard and the interactive C message appeared. However, before i loaded pcode_hb.s19 (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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| | Re: motor power problems
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in short, the answer is: "you can't use 3 to 4v motors with the Handy Board." basically, these motors are cheap toy motors that are incredibly noisy from an electrical standpoint, plus they want to draw far more current than the Handy Board's motor (...) (26 years ago, 25-Jul-98, to lugnet.robotics.handyboard)
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| | motor power problems
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Hi, everyone. I recently bought a preassembled handyboard from the Robot Store in Hong Kong, and I'm having trouble with motor power. My robot frame has two motors that can run at 3-4.5V. I was planning to use 5AA Nicads as a power supply for the (...) (26 years ago, 25-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Help!
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Fred, I decided not to use the external battery for now and try and get the sonar working using the directions on the web page. Instead of connecting the power throught the Motor Power header, I have simple connect V+ and GND to TIC3's PWR and Grnd (...) (26 years ago, 24-Jul-98, to lugnet.robotics.handyboard)
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| | Re: What about Fischertechnik?
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REF: Fischertechnik as building components for robots Greetings, We considered using Fischertechnik for building our robots but unfortunately, they occupy more or less the same volume as LEGO parts and our robots had to be small (first within a 12 (...) (26 years ago, 23-Jul-98, to lugnet.robotics.handyboard)
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| | Config register 0x3c trauma
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You all may recall my problems downloading to my board and receiving a "config register set to 0x3c" error. I am glad to report there was a very simple solution, but it was a nightmare to debug. So allow me to share my wisdom so other unfortunate (...) (26 years ago, 23-Jul-98, to lugnet.robotics.handyboard)
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