77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""
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Example of reading an analog light sensor
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and sending the value to Adafruit IO
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"""
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import time
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import board
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import busio
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from digitalio import DigitalInOut
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from adafruit_esp32spi import adafruit_esp32spi, adafruit_esp32spi_wifimanager
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from analogio import AnalogIn
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# Import NeoPixel Library
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import neopixel
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# Import Adafruit IO REST Client
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from adafruit_io.adafruit_io import RESTClient, AdafruitIO_RequestError
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# Delay between polling and sending light sensor data, in seconds
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SENSOR_DELAY = 30
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# Get wifi details and more from a secrets.py file
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try:
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from secrets import secrets
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except ImportError:
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print("WiFi secrets are kept in secrets.py, please add them there!")
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raise
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# PyPortal ESP32 Setup
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esp32_cs = DigitalInOut(board.ESP_CS)
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esp32_ready = DigitalInOut(board.ESP_BUSY)
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esp32_reset = DigitalInOut(board.ESP_RESET)
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spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
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"""Use below for Most Boards"""
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status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2) # Uncomment for Most Boards
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"""Uncomment below for ItsyBitsy M4"""
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#status_light = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
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wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
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"""
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# ESP32 Setup
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esp32_cs = DigitalInOut(board.D9)
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esp32_ready = DigitalInOut(board.D10)
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esp32_reset = DigitalInOut(board.D5)
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spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
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status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
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wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
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"""
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# Set your Adafruit IO Username and Key in secrets.py
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# (visit io.adafruit.com if you need to create an account,
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# or if you need your Adafruit IO key.)
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ADAFRUIT_IO_USER = secrets['adafruit_io_user']
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ADAFRUIT_IO_KEY = secrets['adafruit_io_key']
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# Create an instance of the Adafruit IO REST client
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io = RESTClient(ADAFRUIT_IO_USER, ADAFRUIT_IO_KEY, wifi)
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try:
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# Get the 'light' feed from Adafruit IO
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light_feed = io.get_feed('light')
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except AdafruitIO_RequestError:
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# If no 'light' feed exists, create one
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light_feed = io.create_new_feed('light')
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# Set up an analog light sensor on the PyPortal
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adc = AnalogIn(board.LIGHT)
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while True:
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light_value = adc.value
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print('Light Level: ', light_value)
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print('Sending to Adafruit IO...')
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io.send_data(light_feed['key'], light_value)
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print('Sent!')
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# delay sending to Adafruit IO
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time.sleep(SENSOR_DELAY)
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