 | | Re: Basic Sensor Question
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It sounds like you've got the switch between +5V and GND. What pins exactly are you connecting to? The sensor connections Are like this: _ _ _ G + I N 5 N D V P You dont need a resistor to use a microswitch. The HB inputs have pull-up resistors, so (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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| | RE: RTOS for HB?
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There is the Micro Kernel from Jean J. Labrosse. It's a free kernel readily available, also for the 68hc11. I have his book but haven't implemented the full kernel yet, only parts of it. Its well written and cheap. Look at: (URL) jaron paludanus (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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| | Basic Sensor Question
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I just got my HB and am trying to test the sensor input, the docs say to hook up the microswitch between signal and ground, when I do this and close the switch my hb resets (because I just shorted it out...). I tried putting a resistor (330 ohm) in (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Questions about sensors
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Eric Noyau wrote: <snip> (...) The results you get from a reflective IR sensor will vary quite a lot depending on surface color, roughness, angle of incidence, electrical noise, etc. My IR sensors were not good for much of anything besides encoders, (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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| | RTOS for HB?
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To me is seems, that multitasking futures of IC is very insufficient. Is exist any small, inexpensive RTOS (real time operation system), that is tested for HB? I'm hear that RTXC, RTEK or MCX11 may be that RTOS. Is anybody tested some RTOS with HB? (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Questions about sensors
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(...) One thing that was discussed before (I think on this mailing list?) that I thought was pretty cool was a small robot with a microphone (FM wireless mike perhaps?) and a photocell. It would stay in the shadows while trying to get close to (...) (26 years ago, 20-Oct-98, to lugnet.robotics.handyboard)
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| | Questions about sensors
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Hi all, I'm having fun with my HB! For a software guy like me a 8 bit processor at 2 Mhz with 32K of RAM is a little small but it's so easy to add sensors to it it's just plain fun! But I'm an hardware newbie and I need more info on the sensors I (...) (26 years ago, 20-Oct-98, to lugnet.robotics.handyboard)
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| | data capture
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hello, i am trying to send a data array to my PC from the handyboard thru the serial cable. a couple months ago, i was advised to use a terminal emulator to capture the data. this has not worked, however. i was told about using a null modem cable (...) (26 years ago, 20-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 20-Oct-98, to lugnet.robotics.handyboard)
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| | HOW TO UNSUBSCRIBE
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It appears to be time for the periodic unsubscribe reminder. In order to unsubscribe from the HB Mailing List, you must send a request to Fred Martin. He is the only person who can take you off the list. Ha ha ha ha!!! Try to guess his email (...) (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | IC installation problem
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Dear Sir, Iam getting started with my project. At our lab we are having freeware version of IC (version 2.8). We tried to install the commercial version 3.2, but we are facing some problems. We tried to install from the site you told i.e (URL) you (...) (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | Re: platform choices...
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If money is not an issue, Mondo Tronix' Robot Store has variuos robot bases. One is large enough to hold a laptop and a great many sensors. --phil (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | RE: platform choices...
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From the pictures, it seems that this is a vehicle called 'Hercules' (or something close). I have seen it at the FAO Schwarz store recently. I have no details on how the truck operates, though the details on the box indicated that it can raise and (...) (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | Re: waterproof seals (a bit OT)
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(...) A little off the wall, but would it simplify the sealing if you could pressurize the inside to something close to the pressure outside (equalize pressures). A miniature CO2 cartridge with a release valve may help. Mike (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | platform choices...
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Hi: When I was in school, we built an autonomous mobile robot based on a six wheeled, 'electric ride-on toy' from Toys-R-Us. It had a sturdy metal frame, two nicely geared motors, a decent battery. It worked fairly well and could carry a large (...) (26 years ago, 19-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Address locations port d and y0
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it's in the faq, at (URL) you do is write to 0x4000, 0x5000, 0x6000 depending on whether your latch is attached to Y0, Y2, or Y4 (respectively). e.g., "poke(0x4000, 0xff);" will set all the bits of a latch attached to Y0 to 1. Fred In your message (...) (26 years ago, 18-Oct-98, to lugnet.robotics.handyboard)
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| | NEC V40
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Sorry to intrude, I would like to check with people of this list if any one have used the NEC V40 ucontroller before. I'm doing a project on this and have problem programming the timer and intrl3. Kind reply to me personally at (...) (26 years ago, 18-Oct-98, to lugnet.robotics.handyboard)
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| | Address locations port d and y0
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Ok I've had another read of the FAQ, as well as a close look at the schematics for the handyboard and the expansion board. Correct me if I'm wrong, but I think I can use d0-d7 along with Y0 or similar and hook these into a HC374 to get some digital (...) (26 years ago, 18-Oct-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 18-Oct-98, to lugnet.robotics.handyboard)
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| | Re: File Types
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Hi, load compass.icb first then compass.c at the ic prompt type v2x(); compass will display heading on the lcd. I'll send you the code I am using. hope this helps. Terry Gathright ---...--- (...) icb, (...) work? I (...) to do (...) understand (...) (...) (26 years ago, 17-Oct-98, to lugnet.robotics.handyboard)
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| | File Types
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Hello, I need help with the file types used by the handyboard. There are c, asm, icb, and lis files. How do I work with them? For example, I downloaded the compass.icb and compass.c files from the HandyBoard Site. Do I need to download both of them (...) (26 years ago, 17-Oct-98, to lugnet.robotics.handyboard)
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| | RE: waterproof seals (a bit OT)
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Mathew, I dont know if they would handle 103 psi but the drive shafts used in RC boats are sealed where they go through the bottom of the boat. If you put your motor in a sealed enclosure with the shaft coming into the enclosure you may be able to (...) (26 years ago, 17-Oct-98, to lugnet.robotics.handyboard)
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| | serial board
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I'm having trouble assembling the serial board. When I do the test(see snip below) I only get about 5 volts. When I try and run the downloader, I don't see the green light come on. (tried two different computers....) any suggestions? thanks in (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | IC installation problem
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Dear Sir, Iam getting started with my project. At our lab we are having freeware version of IC (version 2.8). We tried to install the commercial version 3.2, but we are facing some problems. We tried to install from the site you told i.e (URL) you (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | RE: waterproof seals (a bit OT)
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You could do what they do for aquarium filter pumps -- use magnetic transfer. Put a bar type magnet on the motor shaft and put a similar magnet on a propeller just outside the hull where the motor is. Since propellers require low-torque it works (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | Re: waterproof seals (a bit OT)
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(...) 200ft is about 7 ATM, roughly 103psi. Your're gonna need some really mean seals, and some serious current to turn motors within those seals. Lots more current than the 293's can handle. Probably easier to do what the big ROV's use. Take (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | waterproof seals (a bit OT)
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I'm interested in building an underwater ROV and am wondering if anyone has any insight on buiding waterproof seals for the motors.(I'd like to eventually be able to go down 200 ft or so). I realize this is a bit off topic but hope that someone may (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | Digital Outputs
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Hi all, I'm looking to try and get some digital outputs from the Handboard. I've read in the FAQ that this is possible using HC374(?), but I'm not sure how to do this or where to hook bits up to. Has anyone done this with some pictures or something (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | RE: HandyBoard LCD Module
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I am aiming on using the 16x2 LCD from Maplins (part number DK63T, 8.89 pounds + vat, model number LM016L). I don't know of hand if the pin layout is the same as the LM052L listed in the parts list but as I am going to be using a connecting lead (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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| | Douglas HB Boards Predrilled?
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This is a simple enough question -- are the blank handy boards from Douglas Electronics pre-drilled? Thank you. john calhoun- (26 years ago, 15-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Douglas HB Boards Predrilled?
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Yes ... mine arrived today and they are of good, finished quality... Owen (...) (26 years ago, 15-Oct-98, to lugnet.robotics.handyboard)
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| | Vector 2X
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After reading the Vector 2X Manual a couple of times, it seems that the SDI pin (Serial Data In) has no function. It is even stated in the manual that this pin is never connected. If this is the case, couldn't we use the MISO pin from the HandyBoard (...) (26 years ago, 15-Oct-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard LCD Module
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Hi, any LCD Display 2*16 with a Hitachi HD44780 Controller will do. There are several retailers. But I do not know about the UK. Batron, Rohm (the HB original) are just two producers of LCD Displays. (...) (26 years ago, 15-Oct-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard LCD Module
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Try Farnell order code 325-351. It's more expensive than it has to be, though. (...) (26 years ago, 15-Oct-98, to lugnet.robotics.handyboard)
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| | HB is just fine the way it is. [was: RE: The HandyBoard Mailing Lst]
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(...) Erm... not quite. I much prefer an email based distribution. I don't access the net interactively that often. I just queue up my mail, and my computer autonomously purges each evening while I sleep. If the handyboard list were a newsfeed, I (...) (26 years ago, 14-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Wireless Link to HB
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Dave, See (URL) for complete scematics to connect a BBiM 418 F FM transmitter/receiver to your HB! (thanks to Jan Sipke van der Veen for these scematics) Jeroen van der Vegt. Jeroen van der Vegt, A.J.vanderVegt@ITS.TUDelft.nl (26 years ago, 14-Oct-98, to lugnet.robotics.handyboard)
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| | Some Questions
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Hello, I have several HandyBoard questions: 1) How can I determine ( or does any body know ) the baud rate at which the PC communicates with the Handyboard? 2) When IC attempts to Synchronize with the Board, what is going on "Behind the scenes"? 3) (...) (26 years ago, 14-Oct-98, to lugnet.robotics.handyboard)
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| | Re: cannot communicate
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Hi All, Thanks a lot for the help. I just dont know what we would do without this mail list!! All you need is a little direction when things are going wrong. I had switched cables from my 6.270 board. THANKS A MILLION GUYS. Choo, The v2x compass is (...) (26 years ago, 14-Oct-98, to lugnet.robotics.handyboard)
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