how can you run it at 20v safely
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I have an original Arduino Uno R3. According to the specifications the recommended input voltage is 7 to 12 Volt.
However, I have a laptop adapter of 19V that I want to use to power my arduino because it offers more current than the 9V adapter I have as well.
I
However, I have a laptop adapter of 19V that I want to use to power my arduino because it offers more current than the 9V adapter I have as well.
I
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