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  Looking for SN754410s.
 
Richard Hughes sells individuals of the L293D. I don't know if that is good enough for you, but there aren't many places to buy onesies and twosies. (URL) (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Remote Controller Needed
 
Casio used to make/maybe still makes a wristwatch-TV remote controller that did Sony. I have one and it works great. sorry don't have it handy to give you the model #.... fred In your message you said: (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Memory usage
 
This question how has an answer in the FAQ. Please see: (URL) is the answer now on the FAQ page. Fred How much of the Handy Board's 32K memory is available for user programs running under Interactive C? Here is an approximate breakdown of how (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: parts
 
the handy board vendor list is at (URL) see the information on this page, and contact the vendors directly regarding their offerings. fred In your message you said: (...) (26 years ago, 13-Oct-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: R4 Resistor
 
where is this list that says 2.94K? please tell me so i can eradicate the incorrect value. to answer, yes, just use it, it affects the IR xmit frequency and nothing else. fred In your message you said: (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Handyboard Expansion Sonar Issues
 
did you put the capacitor c7 (0.1uf) in the sonar board, as indicated in the directions? if not, plesae do so and let me know if this solves your problem. fred In your message you said: (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Interrupt Driven Binary programs
 
did you try checking for the linefeed problem in your ICB file? please see teh FAQ about this: (URL)If I want to install an interrupt driven binary file to the handy board, (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Converting .ASM to .ICB
 
you use a special version of as11 that makes icb files. on the mac, there is a port by David Negro. look in the Software/Utils page of the HB site. Fred (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Sonar
 
(...) Each diode loses 0.6v. The string of them drops the HB battery down from 9.6v to 6.0v, which is the specified operating voltage of the sonar unit. You can probably substitute 1N4001s. Fred (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Cannot download pcode on a Mac G3
 
Paul -- have you tried 6811 Downloader? Any luck with that? looks like Randy and I will both need to get our hands on a G3 to debug our code :-) Fred In your message you said: (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: HandyBoard Reset Vector
 
independent of IC, the HB fetches its reset vector at $bffe-$bfff. please see the FAQ about this: (URL) you, fred In your message you said: (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: power glitch
 
Please see the FAQ: (URL) is a known issue, with a simple fix: make sure to bootstrap with the board with pcode_hb.s19. Fred In your message you said: (...) (26 years ago, 31-Jul-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: lcd screen pinouts
 
the LCD should work fine. On the HB, pin 1 is on the top left, and pin 14 is on the top right. Just hook them up in order and you're all set. Fred In your message you said: (...) (26 years ago, 18-Sep-98, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Zero Page Variables?
 
David, I believe that IC never actually supported zero page variables; it was documented as a feature but never implemented. Your solution of using the indexed registers is what I was going to suggest. -Fred -- This message was composed using (...) (29 years ago, 29-Feb-96, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  problem with PCI PowerMacs?
 
Has anyone tried the IC software (freeware or newtonlabs beta) with a PCI PowerMac? I'm in touch with someone who is having trouble, and I wonder if we can confirm a problem. Thanks, Fred (28 years ago, 17-Apr-96, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: IC for W95
 
(...) the freeware version of IC runs fine under W95 as a DOS app. Get it from the Handy Board Software Resources page: (URL) (27 years ago, 25-Apr-97, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Another pcode_hb.s19 Downloading Problem
 
if using DLM, the proper switches are: dlm -ns -256 plus your COM port. make sure you are running in DOS, not a DOS shell. If using Windows, use HBDL.EXE. Fred In your message you said: (...) (27 years ago, 17-Oct-97, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: hbtest errors
 
You are using the wrong library files. Make sure the IC application is set up to use lib_hb.lis, not lib_r22.lis, and get the library files from the HB Software Resouces page. Fred In your message you said: (...) (27 years ago, 18-Oct-97, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: Long Distance Communications
 
RF modems. These are 9600 baud and up serial links with just that range. Cost tends to be $500 per. I don't know of any brands I can recommend off-hand. Try a net search? -fred In your message you said: (...) (28 years ago, 15-Jan-97, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

  Re: More Motor Speeds
 
it's harder than you might expect, b/c the PWM routine is 'hard-wired" into the pcode file. basically, you have to make the changes in pcode.asm, and reassemble the pcode_hb.s19 file. -fred In your message you said: (...) (28 years ago, 23-Feb-97, to lugnet.robotics.handyboard)
 

fred
(score: 1.028)

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