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Copy file name to clipboardExpand all lines: features/multi-strip/index.html
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@@ -4495,12 +4495,14 @@ <h3 id="esp32">ESP32</h3>
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<li>For okay performance, you can use 800 LEDs/pin with 6 outputs for a total of 4800 LEDs.</li>
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</ul>
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<h4id="performance">Performance</h4>
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<p>In WLED-MM, classic ESP32 can calculate about <em>200k-300k LEDs</em> per second
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- This means 1,000 LEDs at 250 frames per second, 2,000 LEDs at 120 frames per second, or 4,000 LEDs at 70 frames per second.
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- WLED-MM framerates can even be faster if effects don't redraw each LED in each frame.
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- However these maximum values can only be achieved with HUB75, or when you distribute your LEDs over several output pins.
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- 4 output pins seem to be the sweet spot (see below).
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- With many output pins the ESP32 will be very busy driving parallel outputs, so it can't calculate as many LEDs.</p>
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<p>In WLED-MM, classic ESP32 can calculate about <em>200k-300k LEDs</em> per second</p>
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<ul>
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<li>This means 1,000 LEDs at 250 frames per second, 2,000 LEDs at 120 frames per second, or 4,000 LEDs at 70 frames per second.</li>
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<li>WLED-MM framerates can even be faster if effects don't redraw each LED in each frame.</li>
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<li>However these maximum values can only be achieved with HUB75, or when you distribute your LEDs over several output pins.</li>
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<li>4 output pins seem to be the sweet spot (see below).</li>
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<li>With many output pins the ESP32 will be very busy driving parallel outputs, so it can't calculate as many LEDs.</li>
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</ul>
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<p>Keep in mind that the limiting factor is usually the speed of the ws2812b protocol - each strip (=output pin) runs an 800kz serial protocol, and each pixel needs 24 bits (RGB color).
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You can calculate the max possible speed - per output pin - with this formula : </p>
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<p><code>800000 / 24 / strip_length_in_pixels</code> = max frames per second.
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