The motor vehicle direction light scintillator studied in this circuit diagram has the latest technology. When the vehicle changes direction, the indicator light can be turned on and lit in time. The scintillator is composed of a 555 oscillator and a driver, and has the advantages of low cost, strong adaptability of the power supply voltage, and high reliability compared with the thermal relay type scintillator.
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A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally a cable tester consists of:
1.A source of electric current,
2.A volt meter,
3.A switching matrix used to connect the current source and the volt meter to all of the contact points in a cable.
In addition to these parts a cable tester may also have a microcontroller and a display to automate the testing process and show the testing results.
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