【数字RGB全彩LED】
数字RGB全彩LED模块是一款可级联的RGB全彩单灯珠模块。与传统RGB全彩灯珠需要3根控制信号线,硬件占用资源多不同,该模块控制仅需一根信号线,符合Gravity-3P数字接口规范,配合DF各类扩展板,即插即用,可方便用于Arduino、micro:bit、ESP32、LattePanda、树莓派等各类主控平台。
【安装Adafruit NeoPixel库】
https://www.arduinolibraries.info/libraries/adafruit-neo-pixel
【安装灯】
【亮灯】
程序
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- #include <Adafruit_NeoPixel.h>
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- #define PIN 16
- #define NUMPIXELS 1
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- Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
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- void setup() {
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- pixels.begin();
- }
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- void loop() {
- pixels.clear();
- pixels.setPixelColor(0, pixels.Color(255,0, 0));
- pixels.show();
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- }
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【SHT31-F数字温湿度传感器】
Gravity: SHT31-F数字温湿度传感器采用业内知名的瑞士Sensirion公司推出的新一代SHT31-F温湿度传感器芯片。得益于Sensirion的CMOSens®技术,高集成度电容式测湿元件和能隙式测温元件,SHT31-F能够提供极高的可靠性和出色的长期稳定性,具有功耗低、反应快、抗干扰能力强等优点。IIC通讯,兼容3.3V/5V,可以非常容易的集成到智能楼宇、天气站、仓库存储、养殖、孵化等应用场景中。
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- #include <DFRobot_SHT3x.h>
- //DFRobot_SHT3x sht3x(&Wire,/*address=*/0x45,/*RST=*/4);
- DFRobot_SHT3x sht3x;
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- void setup() {
- Serial.begin(9600);
- //Initialize the chip
- while (sht3x.begin() != 0) {
- Serial.println("Failed to Initialize the chip, please confirm the wire connection");
- delay(1000);
- }
- /**
- * readSerialNumber Read the serial number of the chip.
- * @return Return 32-digit serial number.
- */
- Serial.print("Chip serial number");
- Serial.println(sht3x.readSerialNumber());
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- if(!sht3x.softReset()){
- Serial.println("Failed to Initialize the chip....");
- }
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- Serial.println("------------------Read adta in single measurement mode-----------------------");
- }
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- void loop() {
- Serial.print("Ambient Temperature(°C/F):");
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- Serial.print(sht3x.getTemperatureC());
- Serial.print(" C/");
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- Serial.print(sht3x.getTemperatureF());
- Serial.print(" F ");
- Serial.print("Relative Humidity(%RH):");
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- Serial.print(sht3x.getHumidityRH());
- Serial.println(" %RH");
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- DFRobot_SHT3x::sRHAndTemp_t data = sht3x.readTemperatureAndHumidity(sht3x.eRepeatability_High);
- if(data.ERR == 0){
- Serial.print("Ambient Temperature(°C/F):");
- Serial.print(data.TemperatureC);
- Serial.print(" C/");
- Serial.print(data.TemperatureF);
- Serial.print(" F ");
- Serial.print("Relative Humidity(%RH):");
- Serial.print(data.Humidity);
- Serial.println(" %RH");
- }
- */
- delay(1000);
- }
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【温控灯】
扩大温度值,让灯颜色变化更加明显。
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- #include <Adafruit_NeoPixel.h>
- #include <DFRobot_SHT3x.h>
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- #define PIN 16
- #define NUMPIXELS 1
- DFRobot_SHT3x sht3x;
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- Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
- int number=0;
- void setup() {
- Serial.begin(9600);
- while (sht3x.begin() != 0) {
- Serial.println("Failed to Initialize the chip, please confirm the wire connection");
- delay(1000);
- }
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- pixels.begin();
- }
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- void loop() {
- DFRobot_SHT3x::sRHAndTemp_t data = sht3x.readTemperatureAndHumidity(sht3x.eRepeatability_High);
- if(data.ERR == 0){
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- int number=map(int(data.TemperatureC*100),2700,3400,0,65535);
- pixels.clear();
- Serial.println(int(data.TemperatureC*100));
- Serial.println(number);
- if(number>65535){
- number=65535;
- }
- if(number<0){
- number=0;
- }
- int r = number >> 16;
- int g = number >> 8 & 0xFF;
- int b = number & 0xFF;
- pixels.setPixelColor(0, pixels.Color(r,g, b));
- pixels.show();
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- }
- delay(2000);
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- }
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