Adafruit AirLift Shield ESP32 - Talk to the AirLift via the Bluefruit LE Connect App

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# tx=board.TX,

# rx=board.RX,

# )

adapter = esp32.start_bluetooth()

ble = BLERadio(adapter)

uart = UARTService()

advertisement = ProvideServicesAdvertisement(uart)

while True:

ble.start_advertising(advertisement)

print("waiting to connect")

while not ble.connected:

pass

print("connected: trying to read input")

while ble.connected:

# Returns b'' if nothing was read.

one_byte = uart.read(1)

if one_byte:

print(one_byte)

uart.write(one_byte)

Talk to the AirLift via the Bluefruit LE Connect App

Start the Bluefruit LE Connect App on your phone or tablet. You should see a CIRCUITPY device available

to connect to. Tap the Connect button (1):

You'll then see a list of Bluefruit Connect functions ("modules"). Choose the UART module (2):