ai-generated-ble-temp.py

import bluetooth
import struct
import time
from machine import Pin, ADC
from micropython import const

# Set up the ADC to read the temperature sensor
adc = ADC(4)
conversion_factor = 3.3 / (65535)

# Set up the Bluetooth Low Energy (BLE) advertising payload
adv_payload = bytearray(3)
adv_payload[0] = 0x02  # Length of this data
adv_payload[1] = 0x01  # Flags data type value
adv_payload[2] = 0x06  # Flags data

# Set up the Bluetooth Low Energy (BLE) advertising interval
adv_interval_ms = const(1000)

# Set up the Bluetooth Low Energy (BLE) advertising name
adv_name = "Temperature Sensor"

# Set up the Bluetooth Low Energy (BLE) advertising service UUID
adv_service_uuid = bluetooth.UUID("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")

# Set up the Bluetooth Low Energy (BLE) advertising characteristic UUID
adv_characteristic_uuid = bluetooth.UUID("6E400002-B5A3-F393-E0A9-E50E24DCCA9E")

# Set up the Bluetooth Low Energy (BLE) advertising service and characteristic
adv_service = bluetooth.Service(adv_service_uuid)
adv_characteristic = bluetooth.Characteristic(
    adv_characteristic_uuid,
    properties=bluetooth.FLAG_READ | bluetooth.FLAG_NOTIFY,
    value=struct.pack("<h", 0),
    permissions=(bluetooth.PERMISSION_READ,),
)

# Set up the Bluetooth Low Energy (BLE) advertising service and characteristic on the device
bluetooth.set_advertisement(
    name=adv_name,
    service_uuid=adv_service_uuid,
    service_data=adv_payload,
    manufacturer_data=None,
    solicitation_data=None,
    service_complete=True,
    connectable=True,
)

bluetooth.add_service(adv_service)
adv_service.add_characteristic(adv_characteristic)

bluetooth.start_advertising(adv_interval_ms)

while True:
    # Read the temperature sensor and convert it to Celsius
    reading = adc.read_u16() * conversion_factor
    temperature_celsius = round((27 - (reading - 0.706) / 0.001721), 2)

    # Update the value of the characteristic with the current temperature in Celsius
    adv_characteristic.value(struct.pack("<h", int(temperature_celsius * 100)))

    # Wait for a short time before updating again
    time.sleep_ms(100)