 | | Re: Expansion board questions
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Hi Duncan, I would like to have a copy of your hbtest.c to test the expansion board. If you could post it I bet a lot of us would use it to test. Thanks in advance Terry G. ---...--- (...) doesn't (...) which (...) the (...) the (...) height (...) I (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Serial Communication Please Help!
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Hi, I am trying to get communication working between two HBs via the RJ11 serial port. I read the FAQ on the HB web site and I have the right cable. On the trans. HB the power LED blinks which indicates it is transmitting. Also whenever I turn on (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | I2C bus with the Handy board ?
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Hi! It is possible to use component with I2C bus on the Handy board ? Do you know this ? some examples : PCF8584, PCD8574, PCF8591...... I'd like to use many component with this bus. Can you help me (if it is possible) ? thanks Dperonne@aol.com (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stepper Motor
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(...) You can get some from old printers or scanners but I think they are rated for 24V (...) For Eurobot 97 ,some robots were using stepper motors. On Internet, there was also a guy who explained how to build a robot from a floppy drive. As far as (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stepper Motor
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I am also trying to use steppers motors from an old floppy, if anyone has accompished this I am interested in your result and methods Keith (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Stepper Motor
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Hi, I have a question. Can i use stepper motors to drive my robot platform ? Do i need a gear ? I'd like to use stepper motors instead of normal ones, because I would not need any shaft encoders. And I think stepper motors do not cause so much noise (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | IR Emmiter and Detector for RW Pro
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Hi All, IR emitters and detector used on Rug Warrior Pro are LTE-4206 and IS01U60 respectively. Can any body help me out, from where I can get their data sheets? Are these still available with any stockiest if not what are the best alternates? (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | serial_getchar(int c) what's int c for?!
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in serialio.c from Randy what is int c for when you're recieving characters from the serial line? Can you just transmitt 8-bit intergers over the serial line or can you transmit bigger numbers? -Peter (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB and V8600 module??
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Here's a link: (URL) - - Nick - - - (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: ***sharp GP1U5 IR detector***
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Mike - - Here is the Sharp data sheet page: (URL) fun! - - - Nick - - - (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | HB and V8600 module??
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I'm having trouble interfacing theRC Systems' V8600 text-to-speech module via its TTL serial connections and the HB w/exp brd using just one output pin and signal ground to send text to the V8600 (at 9600 or 2400 baud). I modified the Fred's (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: parts
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You could try (URL) or (URL) for reasonably priced LCD's and an assortment of other parts. I'm sure that there is a host of other places too. (...) -- Ranjit Diol - COMPSys Dowagiac,Michigan e-mail: rsdiol@mich.com website: (URL) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | ***sharp GP1U5 IR detector***
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Anyone know if there is a difference between these #s found on two different detectors? gp1u5 81x and gp1u5 2x? I dont think there is any difference but?... Also, How could these be wired to individually to say, light an led that would be a (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | parts
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Hi, could someone please direct me to the right place to find the Hitachi LCD as well as the Dallas Semiconductors voltage monitor and the infrared demodulator. Marshall has the LCD for 15 dollars and the IR demod. for just over 3, are these good (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board questions
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(...) Hi Clancy, Sounds like your HB has a full height crystal. I think a half height one is in the specs, if you're worried about it switch it with a shorter version. You could also use a ceramic resonator, they're shorter than the crystal. (...) I (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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This is why "economy" robot base builders go broke. I'm not picking on Phil here, I'm using his message to make a point that a lot of people miss ... Phil here built a base with one of a kind (aka surplus) parts, didn't charge for his own labor and (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board questions
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I just finished my expansion board kit, it went together quite nicely (thanks to everyone who gave me advice on its construction) but it doesn't seat all the way down on the Handy Board because it hits the crystal which protrudes above the the other (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Apologies about battery charger!!!
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Sorry, I totally missed the question in the FAQ about this....Don't ask me how. I'll try these steps first then return here if I have problems. James (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Battery Charger
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Hello everyone, I have just recently received the Handyboard, and everything seems to be working fine with the power adapter. However, I am slightly confused by the charging mechanism for the board. When I connect the 8 AA Nickel-Cadmium batteries (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | ANN: fire-fighting robot contest at Penn State (3-27)
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Hi All, On Saturday, March 27, 1999, Penn State Abington College, Abington, PA (Phila., PA (USA) region) will host a Fire-Fighting Robot Contest based on the rules of the International Fire-Fighting Robot Contest held annually at Trinity College. (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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I built a base for $50, including tools. It was made out of L-channel metal girder. It had 2 drive motors, bought surplus, from those kid-cars ($12 apiece). There's a caster as the third wheel ($4), and I have a 12v 4a battery ($10) plus metal ($10) (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Don't do it. Unfortunately the volumes of robot building do not support building and selling robot bases, the base price for a "good" robot base ends up being about $500 list. The reasons are manyfold, but I'll enumerate some of them here so that (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Handy Board in Popular Science
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The Handy Board is part of a robot design in Popular Science magazine. Someone designed a worm-like robot using the handy board. It is the march 1999 issue. -Peter ---...--- Peter Eacmen Boston Latin School babylongod@usa.net knowledge is power (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Hi er...um...whoever you are, Here's my profile and feedback: Me: 30's database programmer with a little electronics kit construction experience. Interests: Learning Robotics Hardware, Software and Theories Goals: To first experiment and learn a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | NVRAM for the HB
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Hello all, A while ago someone was looking for NVRAM for the HB. I wanted to tell everyone about a new Simtek NVRAM chip I found that isn't battery backed SRAM like the Dallas chips. It contains an EEPROM 'shadow' of the SRAM and transfers the (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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try here: (URL) - - - Nick - - - (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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www.acroname.com do them... tone (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Motor Driver Chips
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Greetings all! I was wondering if anyone out here knows of a place that carries the TI SN754410 motor driver chips so that I can upgrade the Handy Boards motor drivers to handle more current. Thank you. -- "Only two things are infinite, the universe (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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I bought a "Rising Bird Turbo 7" radio controlled car, ripped out the receiver electronics, hooked up 12 rectifier diodes to the motor and a 1W, 10 ohm resistor to the steering electromagnet and bolted a piece of very light wood to the chassis and (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR remote problem
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(...) I have seen this occasionally. As long as it's consistent for each key, I think the best bet is to just assume the data size is the larger of the two with trailing 0's for the shorter one. I can't promise this works though, as I've only had a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | [Fwd: Scotchflex]
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(...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Robot base
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I personally like building my own bases. I don't know about anyone else but I find it more of an achievement if I build everything that went into my robot. -Peter (...) group for quite a while now and I did notice that there seems to be a lack of (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | re: RE
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hi all, my take on the email format issue is that nearly everything should be handled on the client side. in other words, write your filters to deal with the "re's"; figure out that mail is from the handy board list by searching for (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Large circuit construction - How?
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I was going to suggest Scotchflex, but I've always gotten it from a university stockroom. I haven't been able to find it in any of the catalogs I have. Does anyone know any suppliers, besides going to 3M directly? -Scott (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Robot base
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Hi I have been following this mailing list and the comp.robotics.misc news group for quite a while now and I did notice that there seems to be a lack of good quality and reasonably priced robot bases. All the ones I saw where way overpriced or way (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | is there a place where I can find programs for handyboard?
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Hi, I want to know where I can find programs written to make a wandering robot with the HB, also any other programs to do other things related to robotics. Thanks -Mike (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | IR remote problem
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I picked up a surplus remote control at Halted Specialties ((URL) and am trying to use Max Davies' IRINT.ICB, IR.C and TEST.C, and I'm not having any luck. I'm seeing two main problems. 1) Some keys give 35 bits of data, and some give 38 bits. 2) (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Subject headers
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(...) On the contrary, I have numerous email come in and, therefore, cannot take the time to read the all. This helps me to quickly determine if it is a new subject to address or not. Scott Sherman IT Spec. II ACS SCSU (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Expansion board assembly tips?
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Before you do anything else, I would suggest cut to length the male headers which interconnect with the HandyBoard, and plug them into the appropriate sockets on the HB. Note that the mating pins are too long to insert fully into the sockets. This (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Need Help - 68HC11E1/68HC24 and 32K external RAM
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I have a HB w/exp brd and have just acquired a TCOMP PortMaster board (by Ray's Tiny Racers) which I would like to use on a 'robot dispatch base station'. Other than two PWM motor ports it has no other accessories ( ei beeper, IR detect etc.). It (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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