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Common components of solder pad (2021.4.6)

2022-07-29 04:13:00 【Zhili】

  1. Tantalum capacitance
    Plus or minus ： One end of the wire is positive
    Withstand pressure ： Insert picture description here
    2 Led Key buzzer
    Insert picture description here
    Key ： Diagonally welded into the circuit
    The lamp ： The green bar is negative
    Buzzer ： Distinguish between passive , Pin , Positive and negative are active , With active
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