# Ohm Meter
import LCD_24x32 as LCD

from machine import ADC
from time import sleep_ms

a2d0 = machine.ADC(1)

Navy = LCD.RGB(0,0,10)
Yellow = LCD.RGB(150,150,0)

LCD.Init()
LCD.Clear(Navy)
LCD.Box(30, 80, 330, 150, Yellow)
LCD.Box(30, 180, 330, 250, Yellow)

k = 3.3 / 65535

while(1):
    a0 = a2d0.read_u16() 
    Volt = k*a0
    Ohms = a0 / (65535 - a0) * 1000.0
    LCD.Text4('Volts:', 50, 100, Yellow, Navy)
    LCD.Number4(Volt, 5, 3, 150, 100, Yellow, Navy)
    
    LCD.Text4('Ohms:', 50, 200, Yellow, Navy)
    LCD.Number4(Ohms, 6, 1, 150, 200, Yellow, Navy)
    print(Volt, Ohms)
    sleep_ms(200)