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  1. Patatus

    ECG or NTE

    Somebody might idea if NTE or ECG books has their database at internet?
  2. Patatus

    Power Supply +5v with Zener

    Hello guys, I'm looking a schematic diagram for a power supply 5V, 1 Amp or somebody have idea what model of diode zener I can use for 1 Amp?. Thanks.
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