A rather useless script to show some infomations on your i2c-connected 1602 LCD using https://github.com/sterlingbeason/LCD-1602-I2C

useless.py

from LCD import LCD
import time
import os
lcd_object = LCD()
#lcd_object.message("Test", 1)
wait_time = 5

def clock_n_temp():
    temp_reading = os.popen("vcgencmd measure_temp").read().split("=")[1].split("\\")[0]
    arm_clock_freq_hz = int(os.popen("vcgencmd measure_clock arm").read().split("=")[1].split("\\")[0])
    arm_clock_freq = round(arm_clock_freq_hz/1000000000, 2)
    lcd_object.message(f"SoC TEMP: {temp_reading}", 1)
    lcd_object.message(f"ARM CLK: {arm_clock_freq} GHz", 2)
    
def vc_freq_n_volts():
    soc_volts = os.popen("vcgencmd measure_volts core").read().split("=")[1].split("\\")[0]
    vc_clock_freq_hz = int(os.popen("vcgencmd measure_clock arm").read().split("=")[1].split("\\")[0])
    vc_clock_freq = int(vc_clock_freq_hz/1000000)
    lcd_object.message(f"VC4 CLK: {vc_clock_freq}MHz", 1)
    lcd_object.message(f"SoC VOLT: {soc_volts}", 2)

def current_time_readout():
    up_time_raw = os.popen("uptime").read().split(" ")
    #current_time = up_time_raw.split(" ")[1]
    current_time = up_time_raw[1].split(":")[0] + ":" + up_time_raw[1].split(":")[1]
    lcd_object.message("  CURRENT TIME  ", 1)
    lcd_object.message(f"{current_time}      UTC+8", 2)

def date_n_zone():
    current_date = os.popen("date").read().split(" ")
    #print(current_date[6])
    lcd_object.message(f"DATE:        {current_date[0]}", 1)
    lcd_object.message(f"{current_date[1]} {current_date[2]} {current_date[3]}  {current_date[6][:3]}", 2)

def uptime_show():
    uptime_raw = os.popen("uptime").read().split(" ")
    uptime = uptime_raw[3].split(",")[0]
    #user = up_time_raw[6]
    lcd_object.message(f"UPTIME: {uptime}", 1)
    lcd_object.message(f"USER: {uptime_raw[5]}", 2)

def load_average_status():
    load_average = os.popen("uptime").read().split(" ")
    #print(load_average)
    load_average_finale = load_average[10].split(",")[0] + " " + load_average[11].split(",")[0] + " " + load_average[12][:4]
    #load_average_finale = load_average_finale - load_average_finale[]
    lcd_object.message("LOAD AVERGE:", 1)
    lcd_object.message(load_average_finale[:13], 2)

def ip_addresses():
    rawinput = os.popen("hostname -I").read()
    ipv4_address = rawinput.split(" ")[0]
    #ipv6_address = rawinput.split(" ")[-1] #Always get that last one, for my case
    #if len(ipv6_address) >= 16:
    #    ipv6_address_a = ipv6_address[:5]
    #    ipv6_address_b = ipv6_address[4:]
    #else:
    #    pass
    lcd_object.message("IPv4 addr: ", 1)
    lcd_object.message(f"{ipv4_address}", 2)
    #time.sleep(5)
    #lcd_object.clear()
    #lcd_object.message(f"IPv6 addr: {ipv6_address_a}", 1)
    #lcd_object.message(f"{ipv6_address_b}", 2)
    
def vlc_info():
    print("Dummy here.")
    

while True:
    lcd_object.clear()
    clock_n_temp()
    time.sleep(wait_time)
    lcd_object.clear()
    vc_freq_n_volts()
    time.sleep(wait_time)
    lcd_object.clear()
    current_time_readout()
    time.sleep(wait_time)
    lcd_object.clear()
    date_n_zone()
    time.sleep(wait_time)
    lcd_object.clear()
    uptime_show()
    time.sleep(wait_time)
    lcd_object.clear()
    load_average_status()
    time.sleep(wait_time)
    ip_addresses()
    time.sleep(wait_time)