Comparator with different voltages (CB5976E)

In the figure we have the way to use a voltage comparator powered by a voltage to control a different voltage load. The sensor in this case is an LDR.

Circuit Bench

Unijunction Oscillator (CB471)
These days the unijunction transistor (UJT) is not common, but IF you have one you can mount this...
Simple 2 to 12 MHz Receiver (CB1451E)
The coil L2 has 64 turns of wire 28 or thinner wire in a 1 cm form coreless and L1 10 turns on L2....
Preamplifier with the LM382 I (CB1551E)
We show only one of the channels of an excellent audio preamplifier with the LM382 integrated...

Comparator with different voltages (CB5976E)

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Circuit Bench

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