User Manual

The code first sets up the ESP32SPI interface. Then, it initializes a request object using an ESP32 socket and the

esp object.

Make sure to set the ESP32 pinout to match your AirLift breakout's connection:

response.close()

data = '31F'

print("POSTing data to {0}: {1}".format(JSON_POST_URL, data))

response = requests.post(JSON_POST_URL, data=data)

print('-'*40)

json_resp = response.json()

# Parse out the 'data' key from json_resp dict.

print("Data received from server:", json_resp['data'])

print('-'*40)

response.close()

json_data = {"Date" : "July 25, 2019"}

print("POSTing data to {0}: {1}".format(JSON_POST_URL, json_data))

response = requests.post(JSON_POST_URL, json=json_data)

print('-'*40)

json_resp = response.json()

# Parse out the 'json' key from json_resp dict.

print("JSON Data received from server:", json_resp['json'])

print('-'*40)

response.close()

import board

import busio

from digitalio import DigitalInOut

import adafruit_esp32spi.adafruit_esp32spi_socket as socket

from adafruit_esp32spi import adafruit_esp32spi

import adafruit_requests as requests

# If you have an externally connected ESP32:

esp32_cs = DigitalInOut(board.D9)

esp32_ready = DigitalInOut(board.D10)

esp32_reset = DigitalInOut(board.D5)

spi = busio.SPI(board.SCK, board.MOSI, board.MISO)

esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)

print("Connecting to AP...")

while not esp.is_connected:

try:

esp.connect_AP(b'MY_SSID_NAME', b'MY_SSID_PASSWORD')

except RuntimeError as e:

print("could not connect to AP, retrying: ",e)

continue

print("Connected to", str(esp.ssid, 'utf-8'), "\tRSSI:", esp.rssi)

# Initialize a requests object with a socket and esp32spi interface

requests.set_socket(socket, esp)

https://learn.adafruit.com/adafruit-airlift-featherwing-esp32-wifi-co-

processor-featherwing

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