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RachelAnne2020

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  1. The battery voltage of the car key CR1632 is measured as 3V and cannot be used. The newly purchased battery is 3.3V and can be used. Why?
  2. No schematics, just a PCB, want to add a small circuit, but don't know how to add a new net label? Without a network label, you can't connect; it should be!
  3. What does it mean that 222 is written on the through-core capacitor? Does it mean this? 22*(10 squared)=2200pf=2.2nf?
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