Throttling Error Issue w/ Adafruit IO, Rpi4 and AM2302 Moderators: adafruit_support_bill, adafruit

[lionel_hutz_esq]

Hi all,

I am pretty new to all of this so apologies if this is a dumb question.

I followed Jeremy Morgan's Easy IOT w Adafrut IO and Raspberry Pi Guide https://www.jeremymorgan.com/tutorials/raspberry-pi/how-to-iot-adafruit-raspberrypi/. My hope is to have this setup in fridge that I will use as a curing chamber.

I finally got everything up and running but after about a minute of the script running I get the following error

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Traceback (most recent call last):
  File "sensor.py", line 20, in <module>
    aio.send_data(humfeed.key, humidity)       
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_IO/client.py", line 154, in send_data
    return self.create_data(feed, payload)
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_IO/client.py", line 254, in create_data
    return Data.from_dict(self._post(path, data._asdict()))
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_IO/client.py", line 127, in _post
    self._handle_error(response)
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_IO/client.py", line 102, in _handle_error
    raise ThrottlingError()
Adafruit_IO.errors.ThrottlingError: Exceeded the limit of Adafruit IO requests in a short period of time. Please reduce the rate of requests and try again later.


I have the AM2302 taking samples every 30 seconds so I am not sure why it is sending so much data so quickly to the IO and throttling.

Any help would be appreciated.

[brubell]

Could you please post the exact code you're using below?

[lionel_hutz_esq]

For sure here it is (removed client info so it stays private)

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#!/usr/bin/env python3

import time
import adafruit_dht
import board

dht = adafruit_dht.DHT22(board.D4)

from Adafruit_IO import Client
aio = Client (deleted this so it is private)


while True:
    try:
         temperature = (dht.temperature * 9/5) + 32
         smalltemp = round(temperature, 2)
         humidity = dht.humidity       

         humfeed = aio.feeds('roomhumidity')
         aio.send_data(humfeed.key, humidity)       

         tempfeed = aio.feeds('roomtemperature')
         aio.send_data(tempfeed.key, round(temperature,2))   

    except RuntimeError as e:
         print("Reading from DHT failure: ", e.args)
         time.sleep(30)

[brubell]

You are immediately sending data to Adafruit IO after taking measurements. The maximum amount of data points to send to adafruit io for a free account is 30/min.

You may want to try inserting a call to time.sleep at the end of the while True: loop before it runs again.

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while True:
    try:
         temperature = (dht.temperature * 9/5) + 32
         smalltemp = round(temperature, 2)
         humidity = dht.humidity       

         humfeed = aio.feeds('roomhumidity')
         aio.send_data(humfeed.key, humidity)       

         tempfeed = aio.feeds('roomtemperature')
         aio.send_data(tempfeed.key, round(temperature,2))   

    except RuntimeError as e:
         print("Reading from DHT failure: ", e.args)
         time.sleep(30)
time.sleep(30)

[lionel_hutz_esq]

I just tried this out and still got the same throttling issue.

Am I wrong that the time.sleep(30) means that the AM2302 only taking one reading every 30 seconds?

If so how could it be sending more than that to the Adafruit IO dashboard?

[brubell]

My indentation was incorrect, sorry!

Am I wrong that the time.sleep(30) means that the AM2302 only taking one reading every 30 seconds?

In the code below, this is true.

The `exceptRunTimeError as e` will only wait 30 seconds IF a runtime error is thrown.

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while True:
    try:
         temperature = (dht.temperature * 9/5) + 32
         smalltemp = round(temperature, 2)
         humidity = dht.humidity       

         humfeed = aio.feeds('roomhumidity')
         aio.send_data(humfeed.key, humidity)       

         tempfeed = aio.feeds('roomtemperature')
         aio.send_data(tempfeed.key, round(temperature,2))   

    except RuntimeError as e:
         print("Reading from DHT failure: ", e.args)
         time.sleep(30)
    time.sleep(30)

[lionel_hutz_esq]

This worked. Thank you so much!