 | | Re: Aaargh. L272 IC needed.
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(...) Hi Calum, have you found the chip yet? OpAmp in 8 pin dip is a common thing, you'll probably be able to find a equivalent of that chip that will do the job. Bring the spec of the chip with you to a store so you can check the spec in databook (...) (23 years ago, 19-Jul-01, to lugnet.org.ca.rtltoronto)
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| | Re: Aaargh. L272 IC needed.
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(...) Actually yes. Among fighting corporate Real Estate this morning, demonstrating my two fisted project management skills, and the usual critical nonurgent at the office, we also managed to hunt down a source of L272M's at a component firm. With (...) (23 years ago, 19-Jul-01, to lugnet.org.ca.rtltoronto)
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| | Re: Aaargh. L272 IC needed.
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(...) Yes..... it looks like DCC is a closer realization at (or with) rtlToronto than was possible...Awesome....I still like that DCC joystick/controller for $150... it looked very neat (I saw it at my local hobby shop).... but I really don't want (...) (23 years ago, 19-Jul-01, to lugnet.org.ca.rtltoronto)
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| | Re: Aaargh. L272 IC needed.
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(...) Well, the first rtlToronto DCC will be switchable. Here's the deal from the enduser standpoint: a) your motor pack has to be modified to allow for the DCC decoder to drive it. This means installing a small switch inside it and some extra (...) (23 years ago, 19-Jul-01, to lugnet.org.ca.rtltoronto)
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