def read_tmp():
tp = adc(pin('X2'))
val = tp.read()
print(val, ' div ')
mv = (val * div * 1000)
print(mv, 'mV ')
tmp = ((val * div * 1000) - 500) / 10
print(tmp, '°C\n')
def print_tmp():
tp = adc(pin('X22'))
val = tp.read()
print(val, ' div ')
#mv = (val*div)
print(mv, 'mV ')
#tmp = (val/4095)*3.3*100#-50 #close but no cigar
tmp = val * (3300 / 4096)
print(tmp / 10, ' °C\n ')
import pyb
import machine, time
from machine import Pin
tp = pyb.pin('X6', pyb.Pin.OUT_PP) #trigger out
ep = pyb.Pin(pyb.Pin.board.X5, pyb.Pin.IN) #echo input
class HCSR04(object):
def __init__(self, trigger_pin, echo_pin, echo_timeout_us=500*2*30):
self.echo_timeout_us = echo_timeout_us
self.trigger = Pin(trigger_pin, mode=Pin.OUT, pull=None)
self.trigger.value(0)
self.echo = Pin(echo_pin, mode=Pin.IN, pull=None)
def _send_pulse_and_wait(self):
self.trigger.value(0)
time.sleep_us(5)
self.trigger.value(1)
time.sleep_us(10)
self.trigger.value(0)
try:
pulse_time = machine.time_pulse_us(self.echo, 1, self.echo_timeout_us)
return pulse_time
except OSError as ex:
if ex.args[0] == 110:
raise OSError('Out of range')
raise ex
def distance_cm(self):
pulse_time = self._send_pulse_and_wait()
cms = (pulse_time / 2) / 29.1
def read_tmp():
tp = adc(pin('X22'))
val = tp.read()
tmp = (val / 4095) * 3.3 * 100 #-50 #close but no cigar
return tmp
def print_mv():
tp = adc(pin('X22'))
val = tp.read()