 | | Re: DC adapter
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a regulated supply would be really nasty when you put the interface board in ZAP mode -- the supply would try to raise the level of the battery to 15v or whatever, and that would be bad. so unless you really know what you are doing, steer clear of (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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| | Re: DC adapter
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(...) Isn't this a bit sweeping? Surely the problem is that a 12v regulated supply will not have enough headroom with a 9.6V battery. I use a 7.2V battery without problems (that I am aware of).It is not the regulation that is the actual problem but (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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| | serial routines
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I was just curious with all the talk about serial routines if anyone has sucessfully attempted a wireless data link to the handyboard to the PC. It seems like if you had a fast enough wireless modem with a clean enough connection you should be able (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Serial routines
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[Jeff Keyzer] spake unto the ether: [Re: my serialio.c and conio.c libraries] (...) This is good to hear...if there is anyone else out there using the routines, with either success or failure stories, please let me know. One design issue I wasn't (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Serial routines
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(...) They're working great for me, no such problems. I can send/receive and decode characters into numbers very easily. I've got my HB hooked up to a 486 DX2/66 running Linux, using some simple C serial routines to communicate with the board. (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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I'm able to compile version 2.861 with Kent Farnsworth setup, but not ver 3.1 of the P-code. Has anybody been able to do this? I get a lot of phasing errors when I try. There is a problem with the current LCD initialization routine I would like to (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Serial routines
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[Jodi Seaborn] spake unto the ether: (...) Hi Jodi, the serial input routines (i.e., from some other source to the Handy Board) do work, it's just that the I/O is polled, not interrupt-driven. Thus, unless the device sending characters sends them at (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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| | Re: DC adapter
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Good question. Answer: DO NOT USE REGULATED ADAPTERS WITH THE HANDY BOARD. I will add this to the FAQ, because it is not obvious, but the HB power circuitry was designed explicitly for CHEAPO UNREGULATED WALL WARTS ONLY. sorry, Fred In your message (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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| | DC adapter
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Hi all, Just another (hopefully unanswered) question about the DC adapter: Do the specifications stated in the FAQ (18 volts unconnected) also apply to _regulated_ adapters, or only to unregulated? I'm asking this because I just bought a new (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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I'm able to compile version 2.861 with Kent Farnsworth setup, but not ver 3.1 of the P-code. Has anybody been able to do this? I get a lot of phasing errors when I try. There is a problem with the current LCD initialization routine I would like to (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Suppliers in Germany ?
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Hello, here is a list of suppliers in Germany. It's an Excel-sheet and I've attached it to this mail. I hope you can use this list. If you have any further questions you can send me an e-mail directly. Steffen. (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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| | Serial routines
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Has anyone used Richard Drushel's math and serial libraries with a real serial port? The HB seems to miss about every other character when I use any of the higher level functions. Thanks, Jodi Graf (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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I have write a code for manipulate the LCD in the handy board. Because i can't use a battery backed RAM, i need to write in assembler. Well , i'm really read all the FAQ for LCD and for Handy board (including the apendix B for the 6270) .I'm using (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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German Pablo Gentile German Pablo Gentile Systems Engineer. Electronics Expert. (really??? ;>) ) ggentile@cvtci.com.ar (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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| | Re:
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(...) Check out Dave Chu's robotics and electronics page @ (URL) has schematics for what you are looking for! Hope this helps. Laz (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Pic board onto handyboard?
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(...) Hello Michael I might be able to help you out a bit! I think that the toy you are talking about is featured in the March 1996 issue of Electronics Now mag (cover page) It describes how to build a runabout Robot controlled by a Sony compatible (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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| | motor drivers
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Hi all, I suppose that this is really a Mini Board quesiton, but it involves L293D motor drivers, so here goes. The Mini Board manual says that the MB accepts DC power supply of 6-36V. I was using power ranging from 25-32V to run one, and the L293Ds (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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I have a question to ask I want to use two 16V (maybe a bit more) motors and one 9V the question is To use either an Opto Darlington Isolator that my supervisor knows about, which uses the digital outputs where they are just switches or to cut the (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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| | Pic board onto handyboard?
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Dear Handyboarders Some time ago I bought a toy that runs off 2 - 1.5 volt batteries. The controller board has a PIC on it, control of the toy was via a TV remote, and it ran two separate motors for the drive train. There is also an on/off switch. (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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| | Re: IC version 3.1 -- FYI
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FYI IC3.1 is US$33.00 per copy (personal copy, download document), and US$20.00 with any assembled or unassembled kits. It is available in many different platforms. Patrick --00---...--- Low cost MIT Handyboard supplier and Official Distributor of (...) (27 years ago, 3-Sep-97, to lugnet.robotics.handyboard)
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