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Single flashing light-emitting diode application circuit

2017-02-02 08:13  
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Single flashing light-emitting diode application circuit
The chart shows the single flashing LED application circuit. The working frequency of blinking light-emitting diodes is only a few hertz, it is easy to arouse people's attention, it can be widely used in all kinds of alarm circuits, such as temperature, liquid level, the more limited voltage alarm circuit.