Continuity Test (CB18281E)

The circuit in the figure is a useful continuity test serving to check the condition of circuits and components with excellent sensitivity.

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Car Amplifier (CB16296E)
This amplifier can work with voltages between 12 and 22 V. This means that we can use it in the...
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Two Transistors Interface or Shield (CB13109E)
The configuration shown in the figure uses two NPN transistors activating the load when the input...