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One LED flasher by transistors-UJT-SCR-LM358
These circuits are simple One LED flashers that use transistors as the main (first circuit), the transistor UJT (second circuit) and IC Op amps (the Third), Read more below. 1. As transistors is base....
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12V Battery charger using UJT
This is an automatic 12V battery charger circuit, they uses the power SCR and UJT are main parts. And they will not work except the battery 12V to be charged with right polarity, so prevent...
View ArticleSawtooth wave generator circuit using UJT
In the Figure 1 circuit used Q1 is UJT to connects with VR1(potentiometer), VR2 and C1. They acts as a sawtooth wave generator circuit, by C1 to charge and discharge. Then, current from the 5V power...
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