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  1. J

    Loud Bell/Ringer for Mobile/Cell Phone

    Hi, we have a noisy factory area where we need to reach people by phone and we need a loud ringer so the people can hear it ringing. I am aware of loud external ringers but they only seem available for fixed LandLine telephones. I need one for a mobile phone. If possible I'd like a simple loud...
  2. J

    Keypad buttons not responding

    Hi everyone, absolutely newbie here with electronics but keen to learn. Ive attached a picture of a keypad which controls an old Windows PC. The A1 button stopped working so we had a company solder a new one in. When it came back it still didn't work - we always have the option of sending it...
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