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Touch Sensor Using BC547
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instructables.com
Heat Sensor Circuit using Thermistor & bc547 Transistor
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Shop BC547 Using IR Sensor

Sponsored
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$6.66
20PCS BC547B BC547 100MA 45V TO-92 Transistor
Amazon.com
$6.66
20PCS BC547B BC547 100MA 45V TO-92 Transistor
Amazon.com
$1.56
$2.20
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AliExpress
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50Pcs Transistors BC547 BC557 Each 25Pcs BC547B BC557B NPN PNP Triode Transistor DIY Electronic Kit
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