![PCA9959: 24-Channel SPI Serial Bus 63 mA/ 5.5 V Constant Current LED Controller | NXP Semiconductors PCA9959: 24-Channel SPI Serial Bus 63 mA/ 5.5 V Constant Current LED Controller | NXP Semiconductors](https://www.nxp.jp/assets/images/en/chip-images/PCA9959-CHIP.jpg)
PCA9959: 24-Channel SPI Serial Bus 63 mA/ 5.5 V Constant Current LED Controller | NXP Semiconductors
![Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface [TLC5947] : ID 1429 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface [TLC5947] : ID 1429 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1429-05.jpg)
Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface [TLC5947] : ID 1429 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![SP801E WiFi Art-Net SPI LED Controller for WS2812B SK6812 UCS1903 TM1804 Pixel LED Strip and Matrix;iOS Android DC5-24V - AliExpress SP801E WiFi Art-Net SPI LED Controller for WS2812B SK6812 UCS1903 TM1804 Pixel LED Strip and Matrix;iOS Android DC5-24V - AliExpress](https://ae01.alicdn.com/kf/S8fef65dcc4284b97bc0c17f272f2752fl/SP801E-WiFi-Art-Net-SPI-LED-Controller-for-WS2812B-SK6812-UCS1903-TM1804-Pixel-LED-Strip-and.jpg)
SP801E WiFi Art-Net SPI LED Controller for WS2812B SK6812 UCS1903 TM1804 Pixel LED Strip and Matrix;iOS Android DC5-24V - AliExpress
![SPI LED driver with radically different brightnesses PCA9745B - Electrical Engineering Stack Exchange SPI LED driver with radically different brightnesses PCA9745B - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/rqR6S.png)