Bluefruit LE Connect App

Bluetooth App

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.

Connect to ItsyBitsy nRF52840

Power on the ItsyBitsy nRF52840 by connecting it via USB to your computer.

Using Bluefruit LE Connect App

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.

Color Picker

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.

Apple Watch

If you have an Apple Watch, you can use the Bluefruit LE Connect App just like the mobile app. The Apple Watch app is included with the iOS app download. 

This guide was first published on Feb 12, 2020. It was last updated on 2020-02-12 06:52:02 -0500. This page (Bluefruit LE Connect App) was last updated on Feb 18, 2020.