 | | Re: pressure sensors..
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(...) Hi James , What sort of Pressure sensor are you looking for ? air Pressure , Water ? let me Know , i work for Motorola Semiconductor we have a few avaliable let me Know via the list or return email Regards Bruce Given Montreal, Quebec, Canada (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Sony IR
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Could someone tell me what the signal from a sony remote looks like (freq, period, etc and how it is read by the sony-ir program distributed with IC) Thanks!! Tom (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: ??? Last minute sanity checking for a new board
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this is basically right, read the "appendixb" document listed on the tech docs page for this kind of info....... re: hb board size, it's sized so it will fit into a commercial plastic enclosure that holds an 8 cell AA battery pack. -fred (URL) your (...) (27 years ago, 8-Apr-97, to lugnet.robotics.handyboard)
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| | Re: pressure sensors..
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Try www.infusionsystems.com. Let me know if they are able to fill the need. Thanks. ---...--- Adam B. Cox check out my web page Computer Engineer (URL) Communications Corp. vmail: 416-241-7000 (x224) ---...--- (...) (27 years ago, 8-Apr-97, to lugnet.robotics.handyboard)
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| | ??? Last minute sanity checking for a new board
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+---...---+ | NOTICE! I'm posting from a host that is not always available. If your | | email to me bounces or you want to be sure, use 'brat@naxs.com'. THNKS | +---...---+ Fred (or anybody)- I'm doing some last minute sanity-checking on a project (...) (27 years ago, 8-Apr-97, to lugnet.robotics.handyboard)
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| | pressure sensors..
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hola all, I'm working on a project where I need to use a thin pressure sensor. Does anyone have any idea where I could look to find such a sensor. -james montgomery MIT '98 (27 years ago, 8-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Redfox racer photovore
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(...) m> Hi all m> I got it in my mind to build the M.I.T. photovore that is pictured m> on page 35 of "Mobile Robots". I have been able to track down the m> October 1988 issue of Omni magazine which contains the m> article/schematic on building the (...) (27 years ago, 8-Apr-97, to lugnet.robotics.handyboard)
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| | Flame Detection
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In a past e-mail, Yoni Garbourg (sorry Yoni, I couldn't find your email address) posted a message inquiring about flame detection. Adam Cox responded about finding sensors at www.infusionsystems.com. Yoni, what did you decide to use? I have had some (...) (27 years ago, 7-Apr-97, to lugnet.robotics.handyboard)
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| | nonrobot HB applications.
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I would be interested in seeing a list of applications that the HB is being used for other than small robots. thanks vic (27 years ago, 7-Apr-97, to lugnet.robotics.handyboard)
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| | Re: running 2 IR
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You mean IR "emitters"? (IR LED) If i understand you correctly, you wish to source current with the digital outputs. The digouts are from the HC11. There can't source enough current to light IR LED's. ---...--- ericson mar Master of Engineering (...) (27 years ago, 6-Apr-97, to lugnet.robotics.handyboard)
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| | running 2 IR
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I want to be able to run 2 or 3 IR xmitters from the single output on the HB with no additional hardware. Is there any problem with hooking two or 3 IR transmitters to the ground of the IR output and running the +5v from digital outputs. Then switch (...) (27 years ago, 6-Apr-97, to lugnet.robotics.handyboard)
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| | handy board as VU meter?
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I was just thinking the other day - could a handy board be made into a VU meter? (Digital readout on the LCD, or using the motor lights, etc.) Is it fast enough? If so, how could a line level audio signal be fed into one of the analog inputs? If (...) (27 years ago, 6-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Can the handyboard be taught to talk?
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My lab partner and I are going to make our robot talk using a voice recorder/player chip from www.isd.com. They are easy to use. Don't know if this fits your purpose. jm (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Re: analog header
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Certainly the voltage follower will work. But I had a similar problem adjusting the sensitvity of a photocell that I solved by paralleling a pullup resistor of my own to get the proper impedance. You might try putting a 1 ohm (yep, thats one NOT 1k) (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Can the handyboard be taught to talk?
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(...) Actually the SP0256 and the companion Text to Speech chip supported a 'serial' mode that was much easier to use (you could use the same software uart I just posted.) Don't get your hopes up however, the speech is crude to say the least. I used (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Sonar problems
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(...) You're more than welcome. As for mounting: I have found that custom cutting stainless steel brackets with a dremel tool to be most effective. Sturdy but flexible for purposes of fine adjustment. Basically it's a long tab that slides through (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Can the handyboard be taught to talk?
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Hello! REmember when I kept on asking those (yes, maybe annoying) questions about the LCD inputs and outputs? WEll, here's the reason why. On Pages 193 to 200 of the book the Robot Builder's Bonanza- 99 inexpensive robotics projects, author Gordon (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Re: analog header
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(...) This is known as an 'impedence mismatch'. Basically your NPN amplifier is incapable of driving the analog input low (which in itself seems a bit weird since you only need to sink .1 mA to do that which suggests that perhaps there is feedback (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Sonar problems
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(...) Hi all, i just tested my polaroid sonar and it works great. Thanks to Kent and Adam. BTW..with the BINH, iwas getting 1"...but when i removed it as suggested by Chuck Manis (in some old mail)...it's reading the correct distances. So i guess (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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| | (no subject)
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Does anyone have asm (icb) code that utilizes the pinouts of the motor port 1+2 (motor drvr chip removed) to drive a stepper motor. Only 2 digital outputs would be required... one for stepping and the other for selection of direction. Thanks. (...) (27 years ago, 5-Apr-97, to lugnet.robotics.handyboard)
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