 | | Re: motor port problem
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hi Fred, Why there is 2 holes each for the positive and negative supply on the pin jack (J13)? I thought that just insert one hole each for the positive and negative supply only. I need to know why the J13 is designed for 1x4 holes before i decide (...) (26 years ago, 20-Nov-98, to lugnet.robotics.handyboard)
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| | robots
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I WANT TO BE ON THE LIST. (26 years ago, 20-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Sharp IS1U60 availablity
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(...) How about a replacement of the IS1U60, which you can find in JAMECO Part No. 106382 or Part No. 131908 Though a little bit expensive. joema (26 years ago, 20-Nov-98, to lugnet.robotics.handyboard)
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| | Sharp IS1U60 availablity
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I'm looking to purchase about 12-15 IS1U60s to use as optical bump sensors and I'm having trouble finding someone that has them in stock and doesn't want $5.50 for them. Sterling Electronics, 781-938-6200, sells the part for around $1.75, with a $25 (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | Analog Expansion Header On Handy
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Hi, I knew that the analog expansion header in connected to the PE0 to PE3. How should I call the analog command ? For example, if ( digital (11) ==1 ) ......... or if (analog (3) ==1 ) ......... Hence, how should I use to apply into writing a (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | Power Expansion Header On Handy
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hi, I came to know that the power expansion can be used on J13 ( 1x4 pin jack). However, why there is a 2 positive holes and 2 negatives on this header? If i'm using a pair of DC motor 12V each, and i supply a 12v alkaline or NIMH rechargable (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Other batteries... -Reply
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I guess what I'm wondering if the recharge circuit on the Handyboard Serial/charger board will work well with a sealed lead-acid/gel-cell. r than the pleasure of smelling boiling H2SO4 what could happen?? ould be convienent to just use the HB (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Other batteries...
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Just a quick anecdote about Gel-Cells. I have a small and useless robot that simply rolls around on the floor and bumps off things. The motors are powered by a small Gel-Cell. I had run it that day and run the motor batteries flat, so I rigged a (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | RE: PE4
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Rajbala, PE4 is the 3rd pin on the 68HC11. Just by looking at the schematics in the HB manual I would think that it probably does connect to analog input 4. Joe Martin (...) (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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| | Help Y0-Y5
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Sorry for my bad english ! i want to write - i have a big problem, i want to use the ports Y0-Y5 but i don´t know how i use them. Bernd Klein (26 years ago, 19-Nov-98, to lugnet.robotics.handyboard)
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