2n2907 For7-Segment Digital Clock Circuit


Posted on Feb 4, 2014

Circuit above shows a circuit diagram of the Clock Controller V1.1. P3.0-P3.3 also drives a base pin of 4-PNP transistor, 2n2907 with sink current ..


2n2907 For7-Segment Digital Clock Circuit
Click here to download the full size of the above Circuit.




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