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PROJECT
21

CircuitPython BLE Heart Rate Zone Trainer Display

By Adafruit Industries

Display your heart rate and training zone percentage on LED displays with CircuitPython on Feather nRF52840.

PROJECT
10

CircuitPython Hardware LED Backpacks and FeatherWings

By Adafruit Industries

How to use LED Backpacks and FeatherWings with CircuitPython!