Results tagged #Light Meter in Circuits
THREE RANGE LIGHT METER
Uses probe containing Clairex 905HN light-dependent resistance element, connected to DC differential amplifier driving meter having speciall...
Five-Decade Dynamic Light-Level Meter
This is a Portable light-level meter circuit with five-decade dynamic range. This uses a single cell battery as the power supply. To calib...
Enlarging Light Meter Circuit
Meter Ml, a +/-50-uA zero-center D`Arsonval meter movement is driven by Ul, a TL081 FET op amp, through R3. The gain of Ul is set at 11 by ...
Light Meter Circuit
The outputs from the comparators will swing, in sequence, from high to low as the input voltage rises above the reference voltage applied t...
Light meter
This light meter has an eight-decade range...