pico micropython HTTP server to ground a pin on request

pico-ground-pin-api.py

import network
import socket
from picozero import pico_led
import machine
import utime

# GPIO2
switch_pin = machine.Pin(2, machine.Pin.OUT, value=1)
ssid = 'ssid'
password = ''

def trigger_switch():
    # "press" the button (short to ground)
    switch_pin.value(0)
    utime.sleep(0.1)
    # "release" the button (disconnect)
    switch_pin.value(1)

def open_socket(ip):
    # Open a socket
    address = (ip, 80)
    s = socket.socket()
    s.bind(address)
    s.listen(1)
    return s

def connect():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect(ssid, password)
    while wlan.isconnected() == False:
        pico_led.on()
        utime.sleep(0.2)
        pico_led.off()
        utime.sleep(0.2)
    ip = wlan.ifconfig()[0]
    pico_led.on()
    return ip

def serve(s):
    while True:
        conn, addr = s.accept()
        # request = conn.recv(1024).decode()

        trigger_switch()
        response = ['HTTP/1.1 200 OK', 'Content-Type: text/plain', '', 'yo yo']
        conn.send('\r\n'.join(response))
        conn.close()
        utime.sleep(0.1)

ip = connect()
s = open_socket(ip)
serve(s)