This circuit has been found in an old documentation and therefore uses a lamp as an indicator. In a modern version a serial LED with a 470 ohm resistor can be used. Transistors can be modern types like 2N2222.
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This circuit has been found in an old documentation and therefore uses a lamp as an indicator. In a modern version a serial LED with a 470 ohm resistor can be used. Transistors can be modern types like 2N2222.
