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|    sci.electronics.basics    |    Elementary questions about electronics    |    72,318 messages    |
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|    Message 71,134 of 72,318    |
|    amdx to All    |
|    Re: Resistance Light and Dark Values    |
|    15 May 19 09:59:29    |
      From: nojunk@knology.net              On 5/15/2019 9:46 AM, AK wrote:       > On Wednesday, May 15, 2019 at 9:30:43 AM UTC-5, Cursitor Doom wrote:       >> On Wed, 15 May 2019 11:15:18 +0200, Look165 wrote:       >>       >>> A LDR reacts in some ms when the light's wavelength is in the operating       >>> range.       >>       >> You really can't beat a photodiode, though.       >>       >>       >>       >>       >>       >> --       >> This message may be freely reproduced without limit or charge only via       >> the Usenet protocol. Reproduction in whole or part through other       >> protocols, whether for profit or not, is conditional upon a charge of       >> GBP10.00 per reproduction. Publication in this manner via non-Usenet       >> protocols constitutes acceptance of this condition.       >       > Does anyone know of an alarm circuit that they have made and works?       >       > I have tried 2 different circuits and both have failed.       >       > Andy       >               Please put the resistance meter on your LDR and give use the resistance       Dark and then with laser light on it.        You will need to change the scale between the two measurements.        Mikek              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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