Subject:
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Re: light sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 15 Dec 1998 13:38:16 GMT
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Viewed:
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1192 times
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Barry Bott wrote:
> I've just bought a mindstorm for my grandchildren and can't get more
> than 52 out of the light sensor. I checked the voltage on the sensor
> port it read 6.6 volots, does anyone know if this is correct.
> Barry Bott
6.6 V DC is kinda low for new batteries. It should read 7 to 8 VDC with
a normal multi-meter. The light sensor should easily read 100 when a
flashlight is pointed into it, but my sensor doesn't read much below 20
in the dark.Somewhere in the setup part of the software it will read the
RCX battery voltage. Maybe you have a few bad batteries.
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Message has 1 Reply:
 | | Re: light sensor
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| (...) Hi Michael, Yes I'd begun to suspect that so I'd bought a new set, sure enough the sensor voltage went up to 8 volts. What was fooling me was expecting the full 0 to 100 range on a light sensor in reflective mode! As Mathew points out, if I (...) (26 years ago, 15-Dec-98, to lugnet.robotics)
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Message is in Reply To:
| | light sensor
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| I've just bought a mindstorm for my grandchildren and can't get more than 52 out of the light sensor. I checked the voltage on the sensor port it read 6.6 volots, does anyone know if this is correct. Barry Bott (26 years ago, 15-Dec-98, to lugnet.robotics)
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