doc: improve power limit
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README.md
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README.md
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@ -31,7 +31,15 @@ power
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The built-in 5V DC-DC converter is only rated up to 5A, limiting the total maximum output to 25W.
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The built-in 5V DC-DC converter is only rated up to 5A, limiting the total maximum output to 25W.
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This means you can power up to 5 m of WS2812b 30 LEDs/m strip at full brightness.
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This means you can power up to 5 m of WS2812b 30 LEDs/m strip at full brightness.
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For more, limit the brightness in WLED, or use multiple boards and chain them.
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For more LEDs, limit the brightness in WLED, or use multiple boards and chain them.
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The spring loaded terminals are only rated for 2A, with a maximum wire size of AWG 20.
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If you intend to draw more current, you can add a connection to another 5V output from the LEDs or power port.
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This is particularly relevant for re-injecting power, which you should do minimum every 5 meters.
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If you need even more current, or use thicker cables, just solder the cable directly to the pins on the bottom or on the rear tab of the barrel jack connector.
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If you need more than 5A, you are exceeding the use case of this board.
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Switch back to using a external power supply and connect the LED strips directly to it.
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You can even power the board with the same 5V or 8-36V power supply using the power port.
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features
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features
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