- Components and their uses –
Transistors, Thermistors, LDR’s, etc
Once the simple potential divider has been set up it can be used to sense a
variety of different input signals. The different components shown her will
give a large variety of different products according to the need chosen.
Using a pre-set resistor a the second half of the ‘potential divider’ allows these circuits to be balanced to the heat-level, light level or whatever the need demands.
Where on a camera can you think of a need for
some of these circuits. Remember how cameras operate and the likely range of conditions in which they are used. Check out some of the specifications for digital and video cameras to help you.
If they aren’t on cameras already can you think of conditions that might interfere with the good operating
and recording of images ?
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