 | | Re: Charging the battery
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Make sure your adapter is 12v, 500 mA. If you have a voltmeter, measure the open-circuit voltage (when it's plugged into the wall, but not operating anything); you should get around 17 v. -F (...) (28 years ago, 7-Aug-96, to lugnet.robotics.handyboard)
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| | Glue/Caulk thread
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GE's Silicone 2 is an amazing adhesive when you want to mount something firmly but might want to be able to peel it off and reposition it later without damaging the surface. Again, its flexible, cures overnight (for the most part) and doesn't have (...) (28 years ago, 7-Aug-96, to lugnet.robotics.handyboard)
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| | Re: Electronic Compass
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(...) I was the one who had the Vector-2X working with the Miniboard not using the SPI bus. I won't try and talk you out of it, it may just work for you. Make sure you get the current documentation from Precision, the original docs I got from them (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Electronic Compass
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OK, I finally got the prices for the KVH C100 and the Vector 2X electronic compasses, both referred to as low cost. The KVH is $700, the Vector 2X is $50. EASY decision, even though the Vector's accuracy isn't as good. It'll be here tomorrow. Now, (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Re: my bot
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(...) I found the best way to mount micro switches is silicon bathtub caulk. It is flexible, and strong. (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Musings regarding Handyboard Expansion & Interfacing
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I have been playing with my Handyboard (from Digital), and am still waiting on the little mobile platform I decided to start out on. (My retired father-in-law is a mechanical creator, & is PC literate, so I am planning on getting him involved after (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Manipulator Question
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Hello, Could someone please tell me if there is a (not-so-expensive) manipulator which can be driven by HB? I'm quite interested in driving the manipulator to draw a text on a sheet of paper. Or, do I have to look for a plotter instead? I'm using (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Re: my bot
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(...) Heh, I ripped the front end off as well. Other than that, I did the exact same mods. Wow. :-) (...) I've got the sonar going - it's neat for looks, but I'm still working on putting enough code behind it to make it fast and functional - servos (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Re: jbmiller and Hammatzu IR
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Hi Patrick, I assume that you're using the stock S4282/LED setup? It is possible to get better range using a slightly different configuration. The range is largely a function of the the LEDs intensity. Since the S4282 modulates the LED at 1/16th (...) (28 years ago, 6-Aug-96, to lugnet.robotics.handyboard)
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| | Re: jbmiller and Hammatzu IR
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jbmiller wrote: I was also wondering if anyone has played with the Hammatsu IR modulator IC, which was recommended to me by Digital Micro Systems (great tech support!!). It's an IC that has all the de/modulation hardware, collector (less emitter) (...) (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | my bot
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At 12:02 PM 8/5/96 -0600, you wrote: somebody asked me what mods i did to my Cat d-10 tractor. here's what i did. if anyone else is using the D-10, which seems to be a popular platform, please post your mods and it could be a learning experience for (...) (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | Re: Interactive C Manual
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Read the online manual and press 'SHIFT' before you click on each link. Thus downloading each as a text file. :-) (...) (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | Interactive C Manual
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Is there a Interactive C Manual for the Handy Board? I saw one but it was Post Script. I need a PDF file. I would like somthing I can download and get a hard copy of. Thank you (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | PWM Freqs
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I don't suppose anyone knows what the PWM on the HB freqs thru different ranges.... i just need the min/max (0-100) thanks again Jeff (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sonar, etc
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Hi Jeff, (...) There are no schematics, per se, but there are directions in the cher/.../kent directory. The following excerpt is from the readme file there. It contains the information you need to attach the ranging module to the Handy Board. Hope (...) (28 years ago, 5-Aug-96, to lugnet.robotics.handyboard)
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| | test
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could anyone send me a message... i need to test my mailer... thanks (28 years ago, 4-Aug-96, to lugnet.robotics.handyboard)
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| | Polaroid Sonar, etc
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Hello all! I've ordered the Polaroid OEM kit which should hopefully be in tommarow, and was wondering where i could find schematics for making it talk with the handy-board. I looked in the cherupahka/...../kent, which has some code, but no schems. (...) (28 years ago, 4-Aug-96, to lugnet.robotics.handyboard)
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| | Pulse Accumulator
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Hello!, Is there a way to access to pulse accumulator subsystem of the HC11 using interactive C? And if so are there connections for it (Port A7) on the Handy Board (besides connecting it right to the HC11)? I have a pulse train signal coming from (...) (28 years ago, 1-Aug-96, to lugnet.robotics.handyboard)
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| | Memory/Sampling Rate
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Hello everyone! I was wondering if there is a simple way to get more RAM on the HandyBoard...like an addition 32K? or maybe 128K? ---...--- Other question is about the sampling rate of the digital ports on the handyboard... I am getting about 335 (...) (28 years ago, 1-Aug-96, to lugnet.robotics.handyboard)
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| | Re: sonar sensors
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Hi Sriram, To answer your question succinctly, yes you can use the sonar modules on the Handy Board without the expansion board. Infact, Kent Farnsworth has written up exactly how to do it with your existing HB. Instructions, code, etc. can be found (...) (28 years ago, 31-Jul-96, to lugnet.robotics.handyboard)
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