battery power

  1. M

    Voltage Point Problem.

    Greetings. I’m working on a example on finding the voltages between the various points. Now if you look at figure 2.13 A) & B) I need to find the voltages between points A & C in both figure examples. Now in Fig.A) the voltages between A & C is zero, but in FigB) the voltage point is 3. Now in...
  2. R

    Advice on powering my diy guitar amplifier

    Hello, my name is matt. I have a few questions about supplying power to my audio amplifier projects. I have made 4 Bluetooth speakers and 1 small guitar amplifier so far. All of the Bluetooth speakers have been powered by a 5v battery power supply. Simple Bluetooth amplifier boards and a...
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