 | | Connecting a Sharp GP1U58Y
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Hi. I'm trying to connect a Sharp GP1U58Y 38KHz IR detector to one of the analog inputs. The problem is that the device outputs a voltage and doesn't seem to be pull down transistor device so the internal 47K pullup seems to be messing it up. Any (...) (27 years ago, 29-Apr-97, to lugnet.robotics.handyboard)
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| | part number for ceramic resonator X1?
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Hi, the parts list for the Handyboard doesn't list a part number for a ceramic resonator, only for an 8mHz crystal. Does anyone know the number for the substitute ceramic resonator? Thanks, Duncan (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | Can't seem to find Sharp IS1U60...
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Hi, I can't locate the Sharp IS1U60 IR demodulator anywhere. Everyone seems to be out of stock or requires a minimum order. Has anyone had any luck getting one of these recently? Thanks, Duncan (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | Learning IC
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Greetings everyone! When it comes to programming in IC, sometimes I think I'm starting to learn something and other times I feel like a complete idiot. I think it's mostly syntax thats killing me. And things like while within a while....and the ! == (...) (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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The current still goes through the chip. 1 amp max. But now it will get more hot cuz you disipate more power accross the integrated transistors with the higher voltage. I think Fred mentioned that there was a thermal shutdown. (Is this true?) But I (...) (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | RE: 6220-01 Undeliverable message attached
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The attached reply could not be delivered to the following recipients because of incomplete addressing information. Please contact your cc:Mail administrator. *"HandyBoard" <handyboard@media.mit.edu> at SSWGATE (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | RE: 6220-00 COVER MEMO: Undeliverable message attached
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---...--- ---...--- Soft-Switch Cover Memo ---...--- ---...--- Date: 04/28/97 Time: 10:01 Distribution ID : CCMAIL.EMAR.6220 ---...--- -- The items described below were sent as separate distributions: -- ---...--- ---...--- (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | (no subject)
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(...) R> Before I purchase the $50 vector 2X compass, I want to know if it R> is compatible with the version 1.2 handyboard. I would also like Yes it is. R> to know how many handyboards ports are needed to interface with R> the vector 2X compass. If (...) (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | Motor Driver Chips
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With external batteries driving the motor outputs(12V), does one have to worry about the 1amp rule of the driver chips, or can the chips still support a loas of 1amp before gong haywire? Sincerely, Yoni Garbourg << To succeed, Atificial Intelligence (...) (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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| | (no subject)
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Before I purchase the $50 vector 2X compass, I want to know if it is compatible with the version 1.2 handyboard. I would also like to know how many handyboards ports are needed to interface with the vector 2X compass. If possible, I would like to (...) (27 years ago, 28-Apr-97, to lugnet.robotics.handyboard)
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