 | | IR port
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Hi $ALL! I just assembled a handyboard. The assembly documentation (hba.pdf) says, that there should be a ~40kHz square wave at pin 2 of U9 (HC04). My frequency counter shows 72 kHz... So I took a new capacitor (682) and a new resistor (3k83) but (...) (23 years ago, 11-Nov-01, to lugnet.robotics.handyboard)
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| | RCX to Handyboard
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Is is feasible to have an RCX 'talk' to Handyboard via their respective IR systems?? Which one would be the easiest to program to understand the other? (23 years ago, 8-Nov-01, to lugnet.robotics.handyboard)
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| | Inaccuracy Sonar Reading
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Hi there… I have downloaded the sonar.c and it is running properly. In order to calibrate the sonar, I have placed my robot in a different distance from the obstacles. From all the obtained data, the reading always ~ 6cm or ~13cm more the actual (...) (23 years ago, 6-Nov-01, to lugnet.robotics.handyboard)
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| | Re: Barry Brouillette's GP2D02 Page?
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(...) Hi, Sorry for the delay in fixing this. I left SGI two years ago and they finally killed my page. The content is back up and should stay up at: (URL) (23 years ago, 6-Nov-01, to lugnet.robotics.handyboard)
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| | Optical mouse
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I want to interface an optical mouse with the Handyboard for positioning purposes. What is the best and the easiest way to do that! The oprical mouse that I have has USB nad ps/2 port. Q1: Do I use the handyboard's (serial interface and Battery (...) (23 years ago, 30-Oct-01, to lugnet.robotics.handyboard)
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| | RE: Help needed
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Thank you for your reply, Fred. We finally solved the problems we had. We can not make the downloader program work with Windows operating system (I have Windows 2000 running on my computer). All we have done is going to MS-DOS prompt, type "dl (...) (23 years ago, 29-Oct-01, to lugnet.robotics.handyboard)
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| | Re: Help needed
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Hi Yuwei, it sounds like you might be having problems with your serial port. Would you try the getting started debug instructions at : (URL) let us know how that goes. Fred (...) (23 years ago, 29-Oct-01, to lugnet.robotics.handyboard)
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| | Help needed
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Hello, We are using Handy Board for the first time. We first charged the Handy Board. Then we tried to download the file pcode_hb.s19. The problems we are having are: 1. We had downloaded the file once, but at the end of the process, we saw an error (...) (23 years ago, 29-Oct-01, to lugnet.robotics.handyboard)
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| | Barry Brouillette's GP2D02 Page?
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It looks pretty down, anyone know a mirror? Or have a copy of the contents? Please? And thank you! Michael (23 years ago, 27-Oct-01, to lugnet.robotics.handyboard)
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| | new sony-ir, FFT routines!
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courtesy of George Musser.... Fred (...) (23 years ago, 25-Oct-01, to lugnet.robotics.handyboard)
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| | Can I use the BiM-433-F radio module with an expansion board connected ?
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Hi, I've seen Jan's homepage describing his robot ELMO ((URL) which uses the BiM-418-F module to communicate with the desktop computer. Can I do the same with the expansionboard. I think the problem is that he uses the SCI and the SPI. I hope (...) (23 years ago, 24-Oct-01, to lugnet.robotics.handyboard)
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| | LCD problems?
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I've started building my HandyBoard. And I'm just stuck now! I've gotten to the point where I can boostrap, and the pccode thing loads perfectly. I can do math calculations and all in IC. HOWEVER, nothing on the LCD screen comes up! There's just (...) (23 years ago, 21-Oct-01, to lugnet.robotics.handyboard)
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| | HELP GUYS! I'm stuck at the beginning of building my HANDYBOard!~
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Hey guys. I've just finished building the Interface/Charger Serial Circuit. In testing, when I shorted pin 6 of the MAX232 to J9-pin7(ground), i get the correct -10V. When I short pin 2 of the MAX232 to ground, I get the correct +10V. When I short (...) (23 years ago, 20-Oct-01, to lugnet.robotics.handyboard)
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| | Yahoo Handyboard group
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Just thought I'd mention that there is an easier message board to use set up for Handyboard users At (URL) It also has a chat room, photo area, and other nice features availible. -Dan (23 years ago, 19-Oct-01, to lugnet.robotics.handyboard)
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| | Re: Speach expansion board
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Hi Dan, I love the hand-drawn schematic. Are you going to make up PCBs? I'm sure people would be interested! keep us posted! Fred (...) (23 years ago, 18-Oct-01, to lugnet.robotics.handyboard)
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| | Speach expansion board
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Hi all, I have designed and built an expansion board that allows for up to 8 servos and adds speach to the handyboard. I am principly an electronics person and only a beginner at programing. I intend to make these boards availible to the public, but (...) (23 years ago, 18-Oct-01, to lugnet.robotics.handyboard)
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| | Re: Using a Philips KMZ-51 magnetoresistive compass as sensor ?
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(...) Hi Stefan, there is an application note at : (URL) information should bring you to a solution for your handy-board. Rainer (23 years ago, 16-Oct-01, to lugnet.robotics.handyboard)
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| | Using a Philips KMZ-51 magnetoresistive compass as sensor ?
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Today I found a website ((URL) is decribing the use of the KMZ-51 as a sensor for the LEGO RCX unit. Is it possible to use this sensor with the handyboard as well. Could somebody tell me please how to do that! Thanks, Stefan Berger (23 years ago, 15-Oct-01, to lugnet.robotics.handyboard)
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| | 68HC11A1FNs available
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Hi all, A1s are getting hard to find.... John Whitten has some at a reasonable price. See enclosed. Fred ---...--- Hey Fred- (and To whom it may concern...) I'm sending this mail privately to you because I don't wish to spam the list- if you feel (...) (23 years ago, 14-Oct-01, to lugnet.robotics.handyboard)
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| | Re: 68HC11A1
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The A1 is discontinued, so you might not be able to find it. instead use the mc68hc11e1fn with the Handy Board. Fred (...) (23 years ago, 8-Oct-01, to lugnet.robotics.handyboard)
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