Initial Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

LLM Generation

Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

Output

## Python program for Raspberry Pi Pico W Zero with MQTT and LED 

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import network
import time
from machine import Pin
import umqtt.simple

# WiFi and MQTT configuration
WIFI_SSID = "YOUR_WIFI_SSID"
WIFI_PASSWORD = "YOUR_WIFI_PASSWORD"
MQTT_SERVER = "YOUR_MQTT_SERVER"
MQTT_PORT = 1883
MQTT_TOPIC = "YOUR_MQTT_TOPIC"

# LED pin configuration
LED_PIN = 25

# Initialize LED and set it to off
led = Pin(LED_PIN, Pin.OUT)
led.off()

# Connect to WiFi
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(WIFI_SSID, WIFI_PASSWORD)

# Wait for connection
while not wlan.isconnected():
    time.sleep(0.5)
    print("Connecting to WiFi...")

print("Connected to WiFi")

# Connect to MQTT broker
client = umqtt.simple.MQTTClient(wlan.ifconfig()[0], MQTT_SERVER, MQTT_PORT)
client.connect()

# Callback function for received messages
def callback(topic, msg):
    print(f"Received message on topic {topic}: {msg}")
    led.on()
    time.sleep(1)
    led.off()

# Subscribe to the topic
client.set_callback(callback)
client.subscribe(MQTT_TOPIC)

# Main loop
while True:
    # Check for incoming messages
    client.check_msg()
    
    # Blink LED on every loop iteration
    led.on()
    time.sleep(0.5)
    led.off()
    time.sleep(0.5)
This program connects to your WiFi network and MQTT broker. It then subscribes to a specific topic and sets up a callback function to handle incoming messages. The main loop continuously checks for incoming messages and blinks the LED on each iteration. When a message is received, the callback function turns the LED on for one second. Remember to replace the placeholders with your actual WiFi SSID, password, MQTT server, port, and topic. Make sure you have the necessary libraries installed on your Raspberry Pi Pico W Zero, specifically `network` and `umqtt.simple`. You can install them using Thonny or another Python IDE. This is a basic example and can be further customized to fit your specific needs. You can add functionality to process the received messages, control other devices, or implement different LED behavior based on the message content.

Check if all of the following conditions are true:

Substring Evaluation

Testing if the previous output contains the string STA_IF: True

Substring Evaluation

Testing if the previous output contains the string WLAN: True

Substring Evaluation

Testing if the previous output contains the string set_callback: True

Substring Evaluation

Testing if the previous output contains the string MQTTClient: True

Substring Evaluation

Testing if the previous output contains the string check_msg: True

Final Answer: True

Initial Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

LLM Generation

Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

Output

## Python program for Raspberry Pi Pico W Zero with MQTT and LED blinking 

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import time
import machine
import network
import uMQTT.robust as mqtt

# WiFi configuration
WIFI_SSID = "YOUR_WIFI_SSID"
WIFI_PASSWORD = "YOUR_WIFI_PASSWORD"

# MQTT configuration
MQTT_BROKER = "YOUR_MQTT_BROKER_IP"
MQTT_PORT = 1883
MQTT_TOPIC = "YOUR_MQTT_TOPIC"

# LED pin configuration
LED_PIN = machine.Pin(25, machine.Pin.OUT)

# Function to connect to WiFi
def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    if not wlan.isconnected():
        print("Connecting to WiFi...")
        wlan.connect(WIFI_SSID, WIFI_PASSWORD)
        while not wlan.isconnected():
            pass
    print("Connected to WiFi")
    print("IP address:", wlan.ifconfig()[0])

# Function to connect to MQTT broker
def connect_mqtt():
    client = mqtt.MQTTClient(client_id="pico_w_mqtt", server=MQTT_BROKER, port=MQTT_PORT)
    client.set_callback(mqtt_callback)
    client.connect()
    print("Connected to MQTT broker")
    client.subscribe(MQTT_TOPIC)
    return client

# Function to handle incoming MQTT messages
def mqtt_callback(topic, msg):
    print("Received message on topic:", topic)
    print("Message:", msg)
    LED_PIN.on()
    time.sleep(1)
    LED_PIN.off()

# Main program loop
def main():
    connect_wifi()
    client = connect_mqtt()

    while True:
        client.check_msg()
        LED_PIN.toggle()
        time.sleep(0.5)

if __name__ == "__main__":
    main()
**Explanation:** * This program first imports necessary libraries and defines WiFi, MQTT, and LED pin configurations. * The `connect_wifi` function connects the Pico W to your WiFi network. * The `connect_mqtt` function connects to the MQTT broker and subscribes to the specified topic. * The `mqtt_callback` function is called whenever a message is received on the subscribed topic. It prints the message and turns on the LED for one second. * The main program loop continuously checks for MQTT messages and toggles the LED every 0.5 seconds to indicate activity. **Notes:** * Replace `YOUR_WIFI_SSID`, `YOUR_WIFI_PASSWORD`, `YOUR_MQTT_BROKER_IP`, and `YOUR_MQTT_TOPIC` with your actual values. * Make sure the LED is connected to pin 25 of the Pico W. * You may need to install the `uMQTT.robust` library using `pip install uMQTT.robust`.

Check if all of the following conditions are true:

Substring Evaluation

Testing if the previous output contains the string STA_IF: True

Substring Evaluation

Testing if the previous output contains the string WLAN: True

Substring Evaluation

Testing if the previous output contains the string set_callback: True

Substring Evaluation

Testing if the previous output contains the string MQTTClient: True

Substring Evaluation

Testing if the previous output contains the string check_msg: True

Final Answer: True

Initial Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

LLM Generation

Query

Write a python program that I can use to run on my raspberry pi pico w zero that will check for mqtt messages. Don't block, and blink the LED on every loop iteration so I know it's polling. When it gets a message then set the LED solid for a second.

Output

## Python program for checking MQTT messages on Raspberry Pi Pico W Zero 

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import time
import board
import digitalio
import busio
from adafruit_seesaw.seesaw import Seesaw
from adafruit_mqtt import MQTTClient

# Set up LED
led = digitalio.DigitalInOut(board.LED)
led.direction = digitalio.Direction.OUTPUT

# Set up I2C for Seesaw
i2c_bus = busio.I2C(board.SCL, board.SDA)
ss = Seesaw(i2c_bus, addr=0x36)

# Set up MQTT client
mqtt_broker = "your_mqtt_broker_address"
mqtt_port = 1883
mqtt_topic = "your_mqtt_topic"
mqtt_username = "your_mqtt_username"
mqtt_password = "your_mqtt_password"

# Define callback function for received messages
def on_message(client, topic, message):
    print(f"New message on topic {topic}: {message}")

    # Turn on LED for 1 second
    led.value = True
    time.sleep(1)
    led.value = False

# Create MQTT client
client = MQTTClient(mqtt_broker, mqtt_port, mqtt_username, mqtt_password, client_id="pico_mqtt_client")

# Connect to MQTT broker
client.connect()

# Subscribe to the topic
client.subscribe(mqtt_topic, callback=on_message)

# Main loop
while True:
    # Check for MQTT messages without blocking
    client.loop(timeout=0.1)

    # Blink LED on every iteration
    led.value = not led.value
    time.sleep(0.5)

# Disconnect from MQTT broker
client.disconnect()
**Please note:** * Replace `your_mqtt_broker_address`, `your_mqtt_topic`, `your_mqtt_username`, and `your_mqtt_password` with your actual values. * Make sure you have the necessary libraries installed: `adafruit-seesaw` and `adafruit-mqtt`. You can install them using `pip3 install adafruit-seesaw adafruit-mqtt`. * This program will continuously check for MQTT messages and blink the LED on every loop iteration. When it receives a message, it will turn the LED on for one second.

Check if all of the following conditions are true:

Substring Evaluation

Testing if the previous output contains the string STA_IF: False

Substring Evaluation

Testing if the previous output contains the string WLAN: False

Substring Evaluation

Testing if the previous output contains the string set_callback: False

Substring Evaluation

Testing if the previous output contains the string MQTTClient: True

Substring Evaluation

Testing if the previous output contains the string check_msg: False

Final Answer: False