Gist to control the servo connected to Raspberry Pi that feeds the fishes at specific time and notify by telegram

feed_fish.py

import pigpio
from time import sleep, strftime

from telegram.ext import Updater

BOT_TOKEN = ""
CHAT_ID = ""

# Pin
PIN = 17
# Rest Position (Feeder is upright)
REST = 2500
# Down Position
DOWN = 500

# Feeding times
feed_times = ["09:00" ,"18:00"]

# connect to the pin
pi = pigpio.pi()

def feed():
    pi.set_servo_pulsewidth(PIN, DOWN)
    sleep(1)
    pi.set_servo_pulsewidth(PIN, REST)
    sleep(1)
    pi.set_PWM_dutycycle(PIN, 0 )
    pi.set_PWM_frequency(PIN, 0 )   

def notify(t):
    """
    Notify by telegram bot
    """
    updater = Updater(BOT_TOKEN, use_context=True)
    updater.bot.send_message(chat_id=CHAT_ID, text=f"Fed the fishes at {t}!")
    updater.stop()


# Feed at 9am and 6pm
while True:
    time = strftime("%H:%M")    
    if time in feed_times:
        feed()
        notify(time)
        sleep(62)