import machine
import time
ldr = machine.ADC(27)
while True:
volt = ldr.read_u16()/65535*3.3
res = 2000 * volt / (1 - volt / 3.3)
lux = pow(50 * 1e3 * pow(10, 0.7) / res, (1 / 0.7))
print(lux)
time.sleep(2)import machine
import time
ldr = machine.ADC(27)
while True:
volt = ldr.read_u16()/65535*3.3
res = 2000 * volt / (1 - volt / 3.3)
lux = pow(50 * 1e3 * pow(10, 0.7) / res, (1 / 0.7))
print(lux)
time.sleep(2)