test_prox.py

from time import sleep

from machine import Pin, I2C

from apds9960.const import *
from apds9960 import uAPDS9960 as APDS9960

bus = I2C(sda=Pin(13), scl=Pin(14))

apds = APDS9960(bus)

apds.setProximityIntLowThreshold(50)

print("Proximity Sensor Test")
print("=====================")
apds.enableProximitySensor()

oval = -1
while True:
    sleep(0.25)
    val = apds.readProximity()
    if val != oval:
        print("proximity={}".format(val))
        oval = val