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5V-12V AT89C2051 Multifunctionele Zes Digitale LED DIY Elektronische Klok Kit
US$4.99 US$6.99

Q: how to set backup battery and battery voltage

gevraagd door malabi8025 op 2018-06-29 06:31:51

DOC BOB OK for 3V battery: can you, please, explain the connections? Thank you & best regards

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