WS2812C-2020 footprint, schematic symbol and 3D model by Worldsemi

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WS2812C-2020 Details

The maximum number of LEDs that can be connected in a single string is 1024, but it's recommended to limit it to 512 for reliable operation.
The RST pin is an active-low reset input. It should be pulled high (VCC) during normal operation and pulled low (GND) to reset the IC. A 10kΩ pull-up resistor is recommended.
The recommended clock frequency for data transmission is 800 kHz. However, the IC can operate at frequencies up to 1.25 MHz.
To ensure reliable data transmission over long distances, use a shielded cable, keep the clock frequency as low as possible, and add a 33Ω to 100Ω series resistor at the transmitter end to reduce signal reflections.
Yes, the WS2812C-2020 is 3.3V compatible, but ensure that the microcontroller's output voltage is within the IC's input voltage range (Vih = 0.7Vcc, Vil = 0.3Vcc).

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