 | | Re: motor ports
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Russell, Just a suggestion from experience. Before you invest a lot of time developing hardware to expand the capability of the Handy Board, I suggest you write the program. Just "stub out" the motors you don't have with dummy subroutines, or for (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Generic expansion board?
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Has anyone ever created a generic expansion board for the HandyBoard? What I mean by generic, is a board with say a .10 grid hole pattern and some power and ground traces . A board or boards like this with custom circuitry, could be stacked on top (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
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| | Anyone have the HB in continuous powerup?
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Hi all, Is anyone using the HB in a continuous powered up situation? Any problems with it? Also, Anyone know how to use a Timer circuit (Date & Time) with the HB? I'd like to have timed (Daily/weekly/monthly) events. Thanks! Gerald (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | The Onboard memory Circuit
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I have some questions about the handyboard memory: 1) Does it matter if i use a 70ns Eprom instead of the 100ns one? 2) Can you use EEproms or FlashRoms instead of the Eprom ? 3) Can i use more memory than the 256 KB ? And is there a exchange (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | RE: Motor Ports
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Russ, This would not suffice. The PCODE would need to be changed as well. The end result of the motor interface routines in C in LIB_HB.C is that RAM locations 0x0E, and 0x22-0x25 have the direction and speed pattern info for each of the four (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | Re: UCOS
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I'm also very interested in using UCOS in HB. IC is very slow and have very stupid multitasking. Until now I find only basic HB library for ICC11 ((URL) library is at ftp://ftp.imagecraft.../libhb.zip It may by usable with UCOS. ===...=== Andrew (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | improper removal from list.. i apologize.
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please remove jackedin@earthlink.net from the handyboard mailing list.. this is not the proper way to ask, but am aware of the trouble for the admins to remove a user. i cant access earthlink, any other way than fetchmail at the moment.. thanks and (...) (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | list
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Plese remove me from the e-mail list (26 years ago, 12-Jan-99, to lugnet.robotics.handyboard)
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| | Fw: 360 degree ranging
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I'm building a theory about how to make a 360 range finding system. It only needs to be accurate out to, say, a foot or 18 inches. basically it's a "before you bump" bump system. I've thought of using a series of IR emitters/detectors in a circular (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | 360 degree ranging
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I'm building a theory about how to make a 360 range finding system. It only needs to be accurate out to, say, a foot or 18 inches. basically it's a "before you bump" bump system. I've thought of using a series of IR emitters/detectors in a circular (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Re: TI SN754410
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(...) There is nothing wrong with using fuses (or circuit breakers) on motor circuits. This can protect the chips, AND the motor. (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | TI SN754410
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Hi, this must have been asked before. But where can I get the TI SN754410 from On-line ordering if possible or a UK supplier. I managed burn one out on my Handy Board at the weekend :o( is there a way to protect these chips from motors that take too (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | RE: HB and Acceleration
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Hi Philsky; I've seen videos of some of these "serious amateur" rocket launches, and from that I would say acceleration is your prime concern, followed by shock and vibration. I'm assuming you will substitute a lightweight 9V lithium battery for the (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Re: HB and Acceleration
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(...) Most likely not, Max, unless I save up a lot of money and get a daVinci organizer or something like that and write up a donwlink program... :-) There's this thing here in Wisconsin (And in Michigan and Iowa) called "Rockets for Schools" It (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | cant control motor speed
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dear fred and readers my motors is 30V. i am using the external batteries as instructed on the website. but i cant control the motor speed using the command: motor(0,...) i then remove the external batts and supply power to the other power pts(top (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | DL problems
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I put together the HB shortly after it first became available. This is key because it worked-downloading and all. I put it down for a year because of family problems but all that time left it plugged in because of the Ni-cad. I feel that should (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Motor Ports
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Hi all, Is it possible to add more motor ports to the handy board by simply copying the existing motor drive circuit and putting them on the expansion header where the extra chip select lines are. if so what changes would be needed to make IC (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | motor ports
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Hi all, Is it possible to add more motor ports to the handy board by simply copying the existing motor drive circuit and putting them on the expansion header where the extra chip select lines are. if so what changes would be needed to make IC (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Expansion board motor outs???
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I just wanted to verify something before I went and purchased the expansion board. Are the HB's motor outputs still available when using the expansion board. It is unclear in the doc. Thanks, Aaron (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Wireless Handyboard Link ?
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Hello, I am investigating createing a wireless serial link between my PC and handyboard. The cheapest solution I've found is the RF module from Lynxmotion. Does anyone have any experience with this, or perhaps suggestions for simpler or more (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Re: HB and Acceleration
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(...) I presume that you are not planning on using my infrared control software! Good luck in your project, it sounds like fun. Wanna tell us more about it? /Max (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | HB and Acceleration
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Hello, Does anyone here know how acceleration will affect the operaion of a handyboard, and also will sudden changes in altitude (like, 3,000 feet in less than ten seconds) affect it's operation? I have a High Power Rocketry launch coming up in May, (...) (26 years ago, 11-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Wireless Handyboard Link ?
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-----Original Message----- From: Aaron Edsinger <aarone@sirius.com> To: handy <handyboard@media.mit.edu> Date: Sunday, January 10, 1999 1:04 PM Subject: Wireless Handyboard Link ? Hello, I am investigating createing a wireless serial link between (...) (26 years ago, 10-Jan-99, to lugnet.robotics.handyboard)
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| | Re: buying IS1U60, DS1233-10 in germany
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a reseller for the IS1U60 is RS rs-gmbh@rs-components.com FAX 06105/401-100 Hessenring 13b 64546 Mörfelden-Walldorf a reseller for the DS1233-10 is FARNELL FAX 089/6135901 Grünwalder Weg 30 82041 Deisenhofen bei München I hope it helps ... SR. (26 years ago, 10-Jan-99, to lugnet.robotics.handyboard)
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| | buying IS1U60, DS1233-10 in germany
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Does someone know a reseller in germany who sell the IS1U60 and/or the DS1233-10 (just one of each) ? thanks for reply (26 years ago, 10-Jan-99, to lugnet.robotics.handyboard)
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| | Failure to Boot Up
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I recently purchased the Handy Board 1.2 and am running the HC11E1FN. I also purchased the IC compiler from Newton Research Labs. Everything worked great. I hooked up a hobby servo to PA7 and it ran well with the supplied c routines. However, after (...) (26 years ago, 9-Jan-99, to lugnet.robotics.handyboard)
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| | Re: A newbie question
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if your robot is not allowed to even partially cross the duct tape, you must have an additional inner marking that the robot can see so it knows it's near the "danger zone" and can change direction. f. (...) (26 years ago, 9-Jan-99, to lugnet.robotics.handyboard)
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| | Re: supplier for Sharp IS1U60 infrared demodulator
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All- Ok, I'll re-phrase..... Does anyone have the name and supplier of a substitute (for the Sharp IS1U60 infrared demodulator) that they have gotten to work reliably? Thanks. Steve (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | A newbie question
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I want to program my HB so that my robot will be able to navigate around obstacles. The navigation area is a rectangular area boarded by a silver duct tape. My robot shall not touch the tape. Does anyone have any idea of how I can implement this? (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | Re: hexipod walker
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Timing 12 servos with the HB could be done. So far we are using 8 servos which don't use much cpu resources at all. But 1 compare output can only time 8 servos because of the servos timing requierments without using a lot of cpu time. So a second (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | RE: hexipod walker
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The only problem with using individual servo control is speed, the time it takes to move 12 servos by individual commands is rather long. This has the effect of slowing the walker down considerably. A dedicated controller such as the MSCC11 that I (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | RE: hexipod walker
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I believe the best thing to do is use separte controlers (e.g. PICs) to control the specific motions of the servo's. This will allow you to have more control over the HB. There are several places on the web (e.g. (URL) where you can find info on (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | RE: hexipod walker
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I previously posted information on the list about the controller and chassis that I am intending on using for my six legged walker so checking the archives may be useful. I am using an MSCC11 from Novasoft as a servo controller, I don't believe the (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | hexipod walker
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Hi all Iam thinking about making a six legged walking robot using servos and wondered if anybody has already built one. I want to use two servos per leg one for lifting and another for the sweeping action so giving 12 in total. One thing i want to (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Type conversion IC.
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You can do this in IC 3.2, perhaps not in the freeware version. -----Original Message----- From: Christopher Prosser <christopherprosser@yahoo.com> To: FEDSANTE@tin.it <FEDSANTE@tin.it>; handyboard@media.mit.edu <handyboard@media.mit.edu> Date: (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | New mail list for legged robots
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I decided to jump off the deep end and have created a new mail list for anyone interested in legged/walking robots regardless of CPU or "brain board". You can join this list by sending a mail message to legged-robots-subscr...groups.com or you can (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | Re: hexapod walker
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I have been researching this exact topic for almost a year now. I started off looking at the Handyboard do to its popularity and strong robotic application design but ultimately I've decided to use one or more Atmel processors do to their speed and (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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| | SENSORS AGAIN }:
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Ok Ok... Sorry ... Here I have a Photo of these Sensors... The number on it is : IN THE FIRST LINE : QRB1114 IN THE SECOND LINE: QT820 It works with infra red... And I bought it in a sensor pach at: WWW.GLEASONRESEARCH.COM (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | RE: Sensors
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I believe you can get them from mouser electronics. I bought the square ones from them a couple of weeks ago. www.mouser.com Bill Denzel Senior Mechatronics Student California Polytechnic State University San Luis Obispo (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | Sensors
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I ordered these sensors at Gleasonresearch in a sensor pack, but where can i buy them without other stuff... I need about 4 of these: they look like this: ______ / __ \ / I__I \ /___...___\ I I I I I I I I I I I I I I I I I I I I AND then i have an (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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