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Touch up for en 3v3 pin

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RogueM 2016-07-27 11:53:45 +01:00
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commit 06aa292b3e
2 changed files with 6 additions and 4 deletions
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src/en/pin/pin-1.md
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###The 3v3, 3.3 volt, supply pin on the Pi has a max available current of about 50 mA. Enough to power a couple of LEDs or a microprocessor, but not much more.
The 3v3 supply pin on the early Raspberry Pi had a maximum available current of about 50 mA. Enough to power a couple of LEDs or a microprocessor, but not much more.
You should generally use the 5v supply, coupled with a 3v3 regulator for 3.3v projects.
All Raspberry Pi since the Model B+ can provide quite a bit more, up to 500mA to remain on the safe side, thanks to a switching regulator.
Still, you should generally use the 5v supply, coupled with a 3v3 regulator for 3.3v projects.

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src/en/pin/pin-2.md
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###The 5v power pins are connected directly to the Pi's power input and will capably provide the full current of your mains adaptor, less that used by the Pi itself.
The 5v power pins are connected directly to the Pi's power input and will capably provide the full current of your mains adaptor, less that used by the Pi itself.
With a decent power supply, such as the official Pi adaptor, you can expect to pull about 1.5A.
Don't be disuaded by what sounds like a measly low voltage. You can do a lot with 5v. Power Arduinos, and even run a small Electroluminescent wire inverter right off the 5v pin!
Don't be disuaded by what sounds like a measly low voltage. You can do a lot with 5v. Power Arduinos, and even run a small electroluminescent wire inverter right off the 5v pin!