Traditional Culture Encyclopedia - The 24 Solar Terms - It's better to explain the circuit diagram in detail.
It's better to explain the circuit diagram in detail.
The two ends of C4 capacitor are the supply voltage of operational amplifier.
The bottom port is the collected signal, which is divided by R 1\R2, then passed by AR 1, and then sent to the input end of the AR2 comparator through R5. The other input terminal of AR2 is divided by the power supply through R7 and R8 to form a reference, and the two outputs are compared, and then the turn-on and turn-off of transistor Q 1 is controlled through R6, so as to control the turn-on and judgment of Q3 and Q2.
The network in the picture is very unknown, so it is not easy to elaborate. .....
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