def main(args):
sensor = am2320.AM2320()
print("argumentos", args[1:])
(t, h) = sensor.leerTemHume()
print("Temperature: ", t, "\nHumidity", h)
sensor.close()
def main():
width = 128 # SSD1306 horizontal resolution
height = 32 # SSD1306 vertical resolution
i2c_dev = I2C(0,scl=Pin(1),sda=Pin(0),freq=200000) # start I2C on I2C1 (GPIO 26/27)
i2c_addr = [hex(ii) for ii in i2c_dev.scan()] # get I2C address in hex format
sensor = am2320.AM2320(i2c_dev)
oled = SSD1306_I2C(width, height, i2c_dev) # oled controller
tempbuffer = TemperatureBuffer (width)
text_x = 0 # start point for text in x-dir
text_y = 0 # start point for text in y-dir
text_y_space = 13 # space between text in y-dir
max_temp = 30
min_temp = 0
graph_start_y = 22
# This value used by temp_to_yoffset - put outside of function so only need to calculate once
# Scale is temperature range divided by number pixels
scale = (height -1 - graph_start_y) / (max_temp - min_temp)
while (1):
sensor.measure()
temperature = sensor.temperature()
humidity = sensor.humidity()
print("Temp: {}C RH {}%".format(temperature, humidity))
# Check that the value is in a valid range (skip errornous readings)
if (temperature > max_temp or humidity > 100) :
print (" skipping erroroneous value")
continue
tempbuffer.addValue(temperature)
oled.fill(0) # clear the OLED
# Create text display
text_1 = "Temp: {:.1f}C".format(sensor.temperature())
text_2 = "RH: {:.1f}%".format(sensor.humidity())
oled.text(text_1,text_x,text_y) # Show temperature
oled.text(text_2,text_x,text_y+text_y_space) # Show Humidity
# Create line graph across bottom of screen
# Most recent value at right of screen (could reverse if preferred)
x_pos = 0
values = tempbuffer.getValues()
for temp_value in values:
# Convert temperature value into y position (high value = graph_start_y, low value = height of screen)
y_pos = graph_start_y + int((max_temp - temp_value) * scale)
# Draw a pixel for each value
oled.pixel(x_pos, y_pos, 1)
x_pos += 1
oled.show() # output to OLED display
utime.sleep(1)
def start(self):
try:
self.__i2c = I2C(scl=Pin(self.__scl), sda=Pin(self.__sda))
self.__am2320 = am2320.AM2320(self.__i2c)
if self.debug == True:
print("AM2320 is gestart")
Sensor.teller += 1
return (0, 1)
except Exception as E:
if self.debug == True:
print("fout bij opstart van AM2320")
print(E)
return (-1, -1)
def readSensor():
sensorOn = machine.Pin('P11', mode=machine.Pin.OUT)
sensorOn(1)
i2c = I2C(0, I2C.MASTER)
i2c = I2C(0, pins=('P10', 'P9'))
import am2320
am = am2320.AM2320(i2c)
while True:
try:
temp = am.temperature
hum = am.relative_humidity
break
except Exception as e:
# These sensors are a bit flakey, its ok if the readings fail
pass
sensorOn.value(0)
return ([temp, hum])
#!/usr/bin/python
import am2320
import datetime as dt
hum_sensor = am2320.AM2320(1)
_, humidity = hum_sensor.readSensor()
with open("/home/pi/balloonS/sensor_logs/hum_log", mode="a+") as hum_log:
time_stamp = dt.datetime.now().strftime('[%Y-%m-%d %H:%M:%S]')
hum_log.write(time_stamp + " h=" + str(humidity) + "%\n")
from microbit import *
import am2320
i2c.init(sda=pin15, scl=pin13)
sensor = am2320.AM2320(i2c)
tempReadings = []
currTemp = 0
def tempCompare():
"""Compares the temperature readings of the MicroBit and AM232"""
am2320_temp = 0
microBit_temp = 0
sensor.measure()
am2320 = sensor.temperature()
microBit_temp = temperature()
if am2320_temp > microBit_temp:
display.scroll("AM2320 reads a higher temperature")
if am2320_temp < microBit_temp:
display.scroll("MicroBit reads a higher temperature")
else:
display.scroll("The sensors read the same temperature")
def showSavedTemps():
"""Displays recorded temperatures"""
for i in tempReadings:
display.scroll(i + " ")
def read_hum():
''' Read humidity from am2320 sensor. '''
hum_sensor = am2320.AM2320()
_, humidity = hum_sensor.readSensor()
return humidity
# -*- coding: utf-8 -*-
"""
程式說明請參閱18-22頁
publish am2320's temperature & humidity to Adafruit IO
"""
import machine
import ubinascii
import time, gc
import am2320
from machine import I2C, Pin
from umqtt.simple import MQTTClient
i2c = I2C(scl=Pin(5), sda=Pin(4))
d = am2320.AM2320(i2c)
config = {
'broker': 'io.adafruit.com',
'user': '******',
'key': '你的AIO KEY',
'id': 'room/' + ubinascii.hexlify(machine.unique_id()).decode(),
'topic_temp': b'poushen/feeds/temperature',
'topic_humi': b'poushen/feeds/humidity'
}
def publish(topic, data):
client = MQTTClient(client_id=config['id'],
server=config['broker'],
user=config['user'],
password=config['key'])
import am2320
import machine
import network
from config import NETWORK_PASSWORD, NETWORK_SSID
try:
import uasyncio as asyncio
except ImportError:
import upip
upip.install("uasyncio")
import uasyncio as asyncio
I2C = machine.I2C(scl=machine.Pin(14), sda=machine.Pin(2))
SENSOR = am2320.AM2320(I2C)
async def get_data():
try_counter = 0
temp = None
hum = None
while try_counter <= 5 and not temp and not hum:
try:
SENSOR.measure()
temp = SENSOR.temperature()
hum = SENSOR.humidity()
except BaseException as e:
print("problem with sensor: {}".format(e))
try_counter += 1
print("try counter: {}".format(try_counter))
return "temperature {}\nhumidity {}".format(temp, hum)
import time, ustruct from machine import I2C, Pin, HSPI # Nokia 5110 import upcd8544, framebuf # Temp sensor import am2320 # Initialise I2C for temp sensor i2c = I2C(scl=Pin(0), sda=Pin(2), freq=20000) i2c.scan() # should see sensor at [92] dht = am2320.AM2320(i2c) # Initialise HSPI for display spi = HSPI(baudrate=80000000, polarity=0, phase=0) RST = Pin(4) CE = Pin(5) DC = Pin(12) BL = Pin(16) lcd = upcd8544.PCD8544(spi, RST, CE, DC, BL) # Initialise framebuffer for display width = 84 height = 48 pages = height // 8 buffer = bytearray(pages * width) framebuf = framebuf.FrameBuffer1(buffer, width, height)