This project uses the Adafruit Bluefruit LE connect app (available free for Android and iOS) to trigger the LEDs. It uses the control pad to trigger up to 8 different colors. If you haven't downloaded the app yet, use the button below to install it on your mobile device.
Power on the ItsyBitsy nRF52840 by connecting it via USB to your computer.
Open the Bluefruit LE Connect app and locate the device named CIRCUITPY and tap the connect button. Locate and tap on Controller. Under module, tab on Control Pad.
Use the 1-4 buttons to cycle between the two preset colors and rainbow animations.
You can change the color of the animations by using the Color Picker. Tap connect, select Controller. Under module, tap on Color Picker. Use the color wheel to select a color and the slider to adjust the brightness. Tap the send color button to trigger the color.