SparkFun
USB Wall Charger - 5V, 1A (Black)
USB is being implemented as a power connection standard more and more these days, but you don’t always have a computer on hand so how are you going to power ...
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USB is being implemented as a power connection standard more and more these days, but you don’t always have a computer on hand so how are you going to power all of your sweet USB devices? How about a high quality switching ‘wall wart’? This AC to DC power supply will do 5V at 1A! They’re switch mode power supplies which means the output is regulated to 5V (no more 14V outputs!).
These have a standard USB ‘A’ connector for the output so you can power your Arduino, Raspberry Pi, etc. through a USB cable. Any device that uses a USB cable for charging or power can be powered with this supply.
Check out our Unregulated Power Supply Tutorial!
Note: This works with 100-240VAC inputs.
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
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