| | Re: ds1233-10
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(...) I bought mine from JDR: < (URL) > A search for "ds233" at JDR yielded this: Product Info PRICE ---...--- BUY DS1233 $1.79 DALLAS 5V ECONO RESET, TO-92 (-10) 1 products found! (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Sonar and the handyboard
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I just bought the Polaroid sonar unit and I need to test it. I have downloaded the sonar drivers and hookup instructions from the FTP site but I need some help. I want to write a small program that will take a sonar reading and display the distance (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Re: controlling an opto isolated motor
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(...) I've got a MOSFET h-bridge I built that uses an opto isolator and it talks to the Handyboard, I don't know if it will solve your problem but I'll tell you what I did with it. I've designed in a "Handyboard" mode. In this mode you can connect (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Re: ds1233-10
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Did you try : Insight (1-800-677-6011) supplies the Dallas Semiconductor voltage monitor (DS1233-10).? from the handyboard web page: (URL) where I got mine. jm (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Re:system time
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(...) Since the system time is already provided, creating a process which runs every millisecond to achieve this may not be in your best interest, and will probably slow things down quite a bit. I dont recall whether the system clock counts in (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | HOW TO UNSUBSCRIBE
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Please, do not send unsubscribe requests to the main Handy Board mailing list. Instead, send them to me, Fred Martin, fredm@media.mit.edu. I am the only person who can remove you from the list. Thank you for your consideration of others on the (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | re: ztx614
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If I have interpreted the schematics correctly almost any npn can be used for the ztx614. The 614 simply provides ground for the IR transmitter with a collector current of about 3ma. The base current is set by the 10k R to about (5/10k) 0.5ma. If I (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | unsubscribe
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Please unsubscribe me. ejevremo@alum.uax.es (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Re:system time
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Hi Joe, Do you have the C-code that you are attempting to use and have the problem with ? Could you please post or send it to me ? I could not see any thing wrong from what you described in the mail. It is clearer to see the code. Regards, -Pandit (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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| | Re:system time
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Pandit, As far as I know I can only read system time as along integer or floating point number(both cannot be used in conditionals).I do not know what casting is.One idea I came up with is creating process which runs for one millisecond and putting (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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