10
iCE40 Ultra Breakout Board
4.
After the iCE40 Ultra device has initialized and the RGB LED is illuminated RED, change the J10 jumper posi-
tions to horizontal, shorting pins 1-2 and 3-4. This is required to allow the USB port to communicate with the
iCE40 Ultra device.
Figure 10. iCE Selection (Horizontal) for J10
5.
Start the RBG GUI on the PC or MAC.
Figure 11. iCE40 Ultra LED Demonstration Interface
Now you can control the RGB LED on the iCE40 Ultra Breakout Board. You can set the color, brightness, blinking
rate as well as breathing.
