DHT22 - Revision history

Ows wiki at 18:08, 4 January 2025

2025-01-04T18:08:59Z

2025-01-04T18:05:42Z

2025-01-03T22:55:10Z

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2025-01-03T22:28:11Z

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2025-01-03T22:24:05Z

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2025-01-02T19:15:12Z

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2025-01-01T19:06:10Z

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2025-01-01T19:05:19Z

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2025-01-01T18:53:50Z

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2025-01-01T18:53:28Z

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@@ Line 316: / Line 316: @@
 <br>
 DHT11 & Affichage OLED<br>
 <pre>

@@ Line 402: / Line 402: @@
    Serial.println(F("°F"));
    Serial.println();
    u8g2.clearBuffer();
    u8g2.setFont(u8g2_font_ncenB08_tr);
-   u8g2.drawStr(0,15,"0.96 OLED ligne 15");
-   u8g2.drawStr(0,25,"0.96 inch ligne 25");
+   u8g2.setCursor(0, 15);
-   u8g2.drawStr(0,35,"0.96 inch ligne 35");
+  u8g2.print("Humidity: ");
-   u8g2.drawStr(0,45,"0.96 inch OLED ligne 45");
+  u8g2.print(h);
-   u8g2.drawStr(0,55,"0.96 inch OLED 128x64");
+  u8g2.print("%");
    u8g2.sendBuffer();
    delay(1000);
+}
 </pre>

@@ Line 406: / Line 406: @@
    u8g2.clearBuffer();
    u8g2.setFont(u8g2_font_ncenB08_tr);
-   u8g2.drawStr(0,10,"0.96 OLED ligne 10");
+   u8g2.drawStr(0,15,"0.96 OLED ligne 15");
    u8g2.drawStr(0,25,"0.96 inch ligne 25");
    u8g2.drawStr(0,35,"0.96 inch ligne 35");

@@ Line 393: / Line 393: @@
    Serial.print(F("Humidity: "));
    Serial.print(h);
-   Serial.print(F("%  Temperature: "));
+  Serial.println(F("% "));
    Serial.print(t);
-   Serial.print(F("°C "));
+   Serial.print(F("°C | "));
    Serial.print(f);
    Serial.println(F("°F"));
    u8g2.clearBuffer();

@@ Line 311: / Line 311: @@
    Serial.print(hif);
    Serial.println(F("°F"));
+}
 </pre>

@@ Line 233: / Line 233: @@
    // wait 1 second between readings
    delay(1000);
+}
 </pre>

@@ Line 190: / Line 190: @@
    yield();
 }</pre>
 <pre>

← Older revision		Revision as of 19:05, 1 January 2025
Line 190:		Line 190:
	yield();		yield();
	}</pre>		}</pre>
		+
		+	<pre>
		+	#include "DHT.h"
		+	#define DHT_SENSOR_PIN 14 // ESP32 pin GPIO14 connected to DHT22 sensor
		+	#define DHT_SENSOR_TYPE DHT22
		+
		+	DHT dht_sensor(DHT_SENSOR_PIN, DHT_SENSOR_TYPE);
		+
		+	void setup() {
		+	Serial.begin(9600);
		+	dht_sensor.begin(); // initialize the DHT sensor
		+	}
		+
		+	void loop() {
		+	// read humidity
		+	float humi = dht_sensor.readHumidity();
		+	// read temperature in Celsius
		+	float tempC = dht_sensor.readTemperature();
		+	// read temperature in Fahrenheit
		+	float tempF = dht_sensor.readTemperature(true);
		+
		+	// check whether the reading is successful or not
		+	if ( isnan(tempC) \|\| isnan(tempF) \|\| isnan(humi)) {
		+	Serial.println("Failed to read from DHT sensor!");
		+	} else {
		+	Serial.print("Humidity: ");
		+	Serial.print(humi);
		+	Serial.print("%");
		+
		+	Serial.print(" \| ");
		+
		+	Serial.print("Temperature: ");
		+	Serial.print(tempC);
		+	Serial.print("°C ~ ");
		+	Serial.print(tempF);
		+	Serial.println("°F");
		+	}
		+
		+	// wait 1 second between readings
		+	delay(1000);
		+	}
		+	</pre>

@@ Line 4: / Line 4: @@
 Afficher un texte sur le moniteur Serial<br>
-PIN 15 (autres PIN possibles le 16,17,27)<br>
+<b>PIN 15</b> (autres PIN possibles le 16,17,27)<br>
 DHT11 error status: CHECKSUM<br>
   Temperature:24.60 °C<br>