Open example: Arduino => File => Examples => SimpleDHT => DHT11Default Connect the DHT11 and upload the program to Arduino. Open the Serial Window of Arduino IDE, we got the result as follows. === Sample DHT11... Sample OK:19*C,31H === Sample DHT11... Sample OK:19*C,31H ...
语法：DHT11.read(pin)参数：DHT11，一个 dht11 类的对象；pin，Arduino 连接传感器的引脚编号 返回值：int t 类型 ，为 0 0 、- -1 1 或 或 2 2 0 对应宏 DHTLIB_OK，收到数据，且校验正确；-1 对应宏 DHTLIB_ERROR_CHECKSUM，表示接收到数据但校验错误；2 .对应宏 DHTLIB_ERROR_TIMEOUT，表示通...
Theread()function now reads both DHT11 and DHT22 sensors and selects the right math per sensor based upon the bit patterns. Anoffsetcan be set for both temperature and humidity to have a first-order linear calibration in the class itself. Of course, this introduces a possible risk of unde...
* Example testing sketch for various DHT humidity/temperature sensors * Written by ladyada, public domain * * Depends on Adafruit DHT Arduino library * adafruit/DHT-sensor-library */ #include "DHT.h" #define DHTPIN D4 // what pin we're connected to // Uncomment whatever type you're using!
// Example testing sketch for various DHT humidity/temperature sensors // Written by ladyada, public domain #include "DHT.h" #define DHTPIN 2 // what pin we're connected to // Uncomment whatever type you're using! //#define DHTTYPE DHT11 // DHT 11 ...
(This could also be a motor control for example.) In each case pressing S1 or S2 returns a 1 or 0; the "if" command does the rest. Another note is the () must be used properly and in sets of 2. void loop() { if ( S1() ) { byte temp = digitalRead(LED1); temp = !
* Example testing sketch for various DHT humidity/temperature sensors * Written by ladyada, public domain * * Depends on Adafruit DHT Arduino library * adafruit/DHT-sensor-library */ #include "DHT.h" #define DHTPIN D4 // what pin we're connected to ...
sensor.snapshot().save("singtown/s%s/%s.pgm" % (num, n) ) # or "example.bmp" (or others) n -= 1 pyb.LED(BLUE_LED_PIN).off() print("Done! Reset the camera to see the saved image.") 1. 2. 3. 4. 5. 6. 7.
display.println((float)DHT11.temperature,2); display.drawBitmap(0,25, str_3,16,16,1);//在坐标X:26 Y:16的位置显示中文字符中display.drawBitmap(18,25, str_2,16,16,1);//在坐标X:42 Y:16的位置显示中文字符贝display.setCursor(36,30);//设置字体的起始位置display.setTextSize(1);//设置...
...湿度测量系统硬件连接图如下所示: 4、Arduino功能设计 Arduino Uno控制器负责读取LabVIEW上位机发来的温度和湿度采集命令,并读取DHT11从而获取温度或湿度的数据,通过串口发送回上位机...功能设计 LabVIEW上位机部分需要完成以下功能: 1、向下位机Arduino控制器发送温度采集命令,Arduino控制器通过串口接收上位机命令,...