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I'm trying to get 12v from two 9v batteries. Using resistors, I managed to get the bottom battery to 3v but when I tried adding them, it resulted in 9v. What am
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QC3.0 USB to 5V 6V 8.4V 12V AA AAA 9V Battery Eliminator Can Replace 4-8pcs AA AAA Batteries Adjust Voltage Power Supply - Walmart.com
I'm trying to get 12v from two 9v batteries. Using resistors, I managed to get the bottom battery to 3v but when I tried adding them, it resulted in 9v. What am
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I'm trying to get 12v from two 9v batteries. Using resistors, I managed to get the bottom battery to 3v but when I tried adding them, it resulted in 9v. What am
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batteries - Non-rechargeable 9V battery with diode between 12V car battery - Electrical Engineering Stack Exchange
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