Probador of continuity
When igniting the LED L1 will indicate continuity between the test ends. The test current is extremely low reason why it will not imply risk to us some for the integrity of the circuits and proven components.
List of components
Resistance
- R1 - 220 K ohms
- R2 - 2.2 K ohms
- R3 - 120 ohms
- L1 - LED of any class
- Q1, Q2 - Transistors BC548
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