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標(biāo)題: 12864OLED 液晶屏幕和dht11 [打印本頁]

作者: 劉火樂 時(shí)間: 2018-11-10 15:31
標(biāo)題: 12864OLED 液晶屏幕和dht11
#include "DHT.h"
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_RESET 0  // GPIO0
Adafruit_SSD1306 display(OLED_RESET);

#define DHTPIN D5    // 與OLED使用時(shí)要修改DHT11的數(shù)據(jù)引腳為D5，因?yàn)镺LED的D3和D4

#define DHTTYPE DHT11 // DHT 11

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // 初始化I2C
  Serial.println("DHTxx test!");
  dht.begin();
}

void loop() {

  delay(2000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);

  if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println("Failed to read from DHT sensor!");
return;
  }

  float hif = dht.computeHeatIndex(f, h);
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C ");
  Serial.print(f);
  Serial.print(" *F\t");
  Serial.print("Heat index: ");
  Serial.print(hic);
  Serial.print(" *C ");
  Serial.print(hif);
  Serial.println(" *F");

  display.clearDisplay(); // 清屏
// OLED顯示字符
  displaychar(h,t);
}

/**
* 顯示字符
*/

void displaychar(float h, float t) {
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);

  display.print("Humi:");
  display.setCursor(50,0);
  display.println(h);
  display.print("Temp:");
  display.setCursor(50,10);
  display.println(t);

  display.display();
  delay(1);
}

作者: wuyanting 時(shí)間: 2019-4-13 10:21
樓主能否分享一下源代碼，最近在學(xué)習(xí)oled

歡迎光臨 (http://www.zg4o1577.cn/bbs/)