Cette page fournit une simple interface de navigation pour trouver des entités décrites par une propriété et une valeur nommée. D’autres interfaces de recherche disponibles comprennent la page recherche de propriété, et le constructeur de requêtes ask.
#include "DHT.h"
#define DHTPIN 12 // Digital pin connected to the DHT sensor
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
Serial.println(F("DHTxx test!"));
dht.begin();
}
void loop() {
// Wait a few seconds between measurements.
delay(2000);
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
float h = dht.readHumidity();
// Read temperature as Celsius (the default)
float t = dht.readTemperature();
// Read temperature as Fahrenheit (isFahrenheit = true)
float f = dht.readTemperature(true);
// Check if any reads failed and exit early (to try again).
if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
// Compute heat index in Fahrenheit (the default)
float hif = dht.computeHeatIndex(f, h);
// Compute heat index in Celsius (isFahreheit = false)
float hic = dht.computeHeatIndex(t, h, false);
Serial.print(F("Humidity: "));
Serial.print(h);
Serial.print(F("% Temperature: "));
Serial.print(t);
Serial.print(F("°C "));
Serial.print(f);
Serial.print(F("°F Heat index: "));
Serial.print(hic);
Serial.print(F("°C "));
Serial.print(hif);
Serial.println(F("°F"));
}
Module « 4 matrices de LEDs » | Microcontrôleur |
---|---|
VCC
| USB
|
GND
| GND
|
DIN
| MOSI
|
CLK
| SCK
|
CS
| 4
|
git
: sudo apt install gitimport machine
import time
import urequests
import network
# Wi-Fi credentials
ssid = 'wifi_name' #input your own wifi name
password = 'password' #input your own password
# IFTTT webhook key
api_key = 'your_own_key' #input your own key
# Connect to Wi-Fi
station = network.WLAN(network.STA_IF)
station.active(True)
station.connect(ssid, password)
while station.isconnected() == False:
pass
print('Connection successful')
print(station.ifconfig())
# Set up ultrasonic sensor
trigger = machine.Pin(4, machine.Pin.OUT)
echo = machine.Pin(5, machine.Pin.IN)
def main():
while True:
# Send trigger pulse
trigger.value(0)
time.sleep_us(5)
trigger.value(1)
time.sleep_us(10)
trigger.value(0)
# Measure duration of echo pulse
while echo.value() == 0:
start = time.ticks_us()
while echo.value() == 1:
end = time.ticks_us()
duration = time.ticks_diff(end, start)
# Calculate distance
distance = duration * 0.034 / 2
# Send data to IFTTT
data = {'value1': distance}
submitData("ultrasonic_distance", data)
# Delay before next measurement
time.sleep(5)
def submitData(event, data):
try:
print('Sending data to IFTTT:', data)
request_headers = {'Content-Type': 'application/json'}
request = urequests.post(
'https://maker.ifttt.com/trigger/'+ event + '/with/key/' + api_key,
json=data,headers=request_headers)
print(request.text)
request.close()
except OSError as e:
print('Failed to send data to IFTTT.', e)
if __name__ == '__main__':
main()
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