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Common components of solder pad (2021.4.6)
2022-07-29 04:13:00 【Zhili】
- Tantalum capacitance
Plus or minus ： One end of the wire is positive
Withstand pressure ：
2 Led Key buzzer
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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