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Circuit Scribe - NPN Transistor
Regular price
Sale price
$3.48
Regular price
$6.95
Includes GST.
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The NPN Transistor acts as a switch or amplifier. A small amount of current to the base will allow a large current to flow through the collector and emitter. Use it to amplify the signal from a resistive sensor (like the photo sensor that comes with the 2
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