50 555 Circuits Talking Electronics
THE POWER SUPPLY Sometimes you will see a circuit as shown in the first diagram with 12v or 12v on the top rail and 0v or a negative sign or the word "negative" on the bottom rail.24V lead acid battery charger circuit Electronic ...
According to what I see in the circuit in terms of a series circuit is that the polarity shown at the batteries are actually in parallel to the source voltage, not in series.
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