I don't know what to do here #344

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Rafoni-py opened this issue Apr 4, 2025 · 0 comments

Rafoni-py commented Apr 4, 2025

I'm using this code to make an ultrasound measuring tape and a led need to turn on if the distance is equal or less than 10 cm but it just don't work

`from machine import Pin, time_pulse_us
from time import sleep_ms, sleep_us

trg = Pin(13, Pin.OUT)
ech = Pin(23, Pin.IN)
led = Pin(26, Pin.OUT, 1)
var1 = time_pulse_us(ech, 1, 20000)

while True:
trg.off()
sleep_us(5)
trg.on()
sleep_us(10)
trg.off()

t = time_pulse_us(ech, 1, 20000)
d = t / 58.8
print (d)
sleep_ms(2000)

if d <= 3 and d <= 10
led.on() (True)
else:
led.off()
`

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