import machine
import utime

# HC-SR04 sensor connections
TRIG_PIN = machine.Pin(19, machine.Pin.OUT)
ECHO_PIN = machine.Pin(20, machine.Pin.IN)

# PIR sensor connection
PIR_PIN = machine.Pin(10, machine.Pin.IN)

# Function to measure distance
def measure_distance():
    TRIG_PIN.low()
    utime.sleep_us(2)
    TRIG_PIN.high()
    utime.sleep_us(5)
    TRIG_PIN.low()
    
    while ECHO_PIN.value() == 0:
        pulse_start = utime.ticks_us()
    
    while ECHO_PIN.value() == 1:
        pulse_end = utime.ticks_us()
    
    pulse_duration = pulse_end - pulse_start
    distance = pulse_duration * 0.0343 / 2
    
    return distance

# Function to detect motion
def detect_motion():
    return PIR_PIN.value()

while True:
    # Measure distance
    distance = measure_distance()
    
    # Detect motion
    motion = detect_motion()
    
    # Display measurements
    print("Distance: {:.2f} cm".format(distance))
    if motion:
        print("Motion Detected")
    else:
        print("No Motion")
    
    utime.sleep(1)