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The steering lamp shutting reminder

2016-08-10 16:28  
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The steering lamp shutting reminder
Here is to introduce the steering lamp shutting reminder made of the 555 time based integrated circuit, which can emit the alarm signal when the driver forgets to shut off the steering lamp, so the driver will shut the lamp.The working principle of the circuit The steering lamp shutting reminder consists of the time-based integrated circuit IC, transistor V, diode VD, LED VL, resistor R1-R6, capacitor C1-C4 and buzzer HA, see as figure 7-118.