Relay Driver Circuit Using Transistor Bc547
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12V Relay based Timer Switch Circuit Using BC547 Transistor
Bc547 transistor pinout circuits transistors How to make simple electronic circuits using transistor bc547 Relay driver circuit using uln2003 and its applications
Relay driver circuit using transistor
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![BC547 Transistor: Pinout, Circuit, Applications [Video]](https://i2.wp.com/www.apogeeweb.net/upload/image/20201030/2020103015595980.jpg)
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