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Re: Wanted: Equip and Info


  • From: P3D John Bercovitz <bercov@xxxxxxxxxxx>
  • Subject: Re: Wanted: Equip and Info
  • Date: Thu, 26 Sep 96 07:52:59 PDT

Joel writes:

> The FED metering circuit is quite simple - a battery, a resistor network, 
> and a meter movement. As long as light hits the sensor, at least some  
> current will flow through the circuit.

I think the sensor must have a fairly substantial dark current also because 
I get to replace the cell fairly often.  Fortunately, the cell is cheap and 
commonly available.  Maybe I should install a little switch?

John B


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