constintSENSOR_PIN = 6;// Arduino 引脚连接到 18B20 传感器的 DQ 引脚 OneWire oneWire(SENSOR_PIN);// 设置一个 oneWire 实例 DallasTemperature sensors(&oneWire);// 将 oneWire 传递给 DallasTemperature 库 LiquidCrystal_I2C lcd(0x2
Arduino要实现对DS18B20的操作,需要OneWire和Dallas Temperature Control两个库文件,下载地址分别为:http://playground.arduino.cc/Learning/OneWire和https://github.com/milesburton/Arduino-Temperature-Control-Library。Dallas Temperature Control函数库是基于OneWire函数库进行开发的,更便于使用,下面讲解一下主要函数的功...
Arduino 之 三合一传感器 1#include <Wire.h>2#include <SPI.h>3#include <Adafruit_Sensor.h>//导入库4#include <Adafruit_BMP280.h>5//SPI6#defineBMP_SCK 13//硬件连接,不需要改动7#defineBMP_MISO 128#defineBMP_MOSI 119#defineBMP_CS 1010//Adafruit_BMP280 bmp;//I2C11Adafruit_BMP280 bmp(BMP...
Specifications: Product Type: MAX6675 Thermocouple Temperature Sensor Module Operating Voltage: 3.0V to 5.5V Temperature Resolution: 0.25 Degree Cold Junction Compensation Range: -20 to +80 Degree Communication Interface: SPI 3-wire Serial Package Included: MAX6675 Thermocouple Temperature Sensor Module Fea...
Each of the DS1820s can be set to two power supply modes.Bus power supply mode and external power supply mode to take data bus power supply can save a wire but complete the temperature measurement. Product features: DS18B20 sensor is digital temperature sensor. It...
devicesOneWireoneWire(ONE_WIRE_BUS);// Pass our oneWire reference to Dallas Temperature sensor...
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(PressureVal,2);break;casedust_Command:digitalWrite(ledPower,LOW);// power on the LEDdelayMicroseconds(delayTime);dustVal=analogRead(dustPin);// read the dust value via pin 5 on the sensordelayMicroseconds(delayTime2);digitalWrite(ledPower,HIGH);// turn the LED offdelayMicroseconds(offTime);...
The DS18B20 digital temperature sensor provides 9-bit to 12-bit celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-wire bus that by definition requires only one data line(and...
Feat(matter): Changes Matter Temperature Sensor to report Celsius by @SuGlider in #10759 Feat(matter): adds esp_matter:: namespace to attribute_t by @SuGlider in #10807 Network Fix(udp): Add missing LwIP locks to init multicast #10813 ESPmDNS: Add method for querying discovered service ...