555 touch switch circuit circuit diagram

Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle
Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM
inductance
SMD aluminum electrolytic capacitor

Pin Header

Pin Header Connector,Pin Header Female,Male Header Pins,Right Angle Pin Header

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