Official M5Stack StickC STM32F030F4 environmental SHT20 BMP280 YUN

Product Features

• Compatible with M5StickC
• On-board Microprocessor STM32F030F4
• Temperature and Humidity sensor SHT20
• Air pressure sensor BMP280
• Photoresistance
• 14 x SK6812 4020 RGB LED
• Three-layer structure design:      - 1 x hook hole      - 2 x 6*4mm magnet mounting position      - 1 x finishing Acrylic profile surface
• Development platform: Arduino, UIFlow(Blockly, Python)

Include

• 1x YUN HAT
• 2x Dupont

// please install Adafruit_BMP280 lib first
// Adafruit_BMP280 lib in Sketch->Includ Library->Library Manager

#include "M5StickC.h"
#include <Adafruit_BMP280.h>
#include "SHT20.h"
#include "yunBoard.h"

SHT20 sht20;
Adafruit_BMP280 bmp;

uint32_t update_time = 0;
float tmp, hum;
float pressure;
uint16_t light;

void setup() {
  M5.begin();
  Wire.begin(0, 26, 100000);
  M5.Lcd.setRotation(1);
  M5.Lcd.setTextSize(2);
  // RGB888
  // led_set(uint8_t 1, 0x080808);
 
  if (!bmp.begin(0x76)) {
    Serial.println(F("Could not find a valid BMP280 sensor, check wiring!"));
  }

    /* Default settings from datasheet. */
  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
                  Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
                  Adafruit_BMP280::FILTER_X16,      /* Filtering. */
                  Adafruit_BMP280::STANDBY_MS_1000); /* Standby time. */
 
  // put your setup code here, to run once:

}

uint8_t color_light = 5;

void loop() {
 
  led_set_all((color_light << 16) | (color_light << 8) | color_light);
  if(millis() > update_time) {
    update_time = millis() + 1000;
    tmp = sht20.read_temperature();
    hum = sht20.read_humidity();
    light = light_get();
    pressure = bmp.readPressure();
    M5.Lcd.setCursor(0, 8);
    M5.Lcd.setTextColor(TFT_WHITE, TFT_BLACK);
    M5.Lcd.printf("tmp:%.2frn", tmp);
    M5.Lcd.setTextColor(TFT_GREEN, TFT_BLACK);
    M5.Lcd.printf("hum:%.2frn", hum);
    M5.Lcd.setTextColor(TFT_WHITE, TFT_BLACK);
    M5.Lcd.printf("pre:%.2frn", pressure);
    M5.Lcd.setTextColor(TFT_GREEN, TFT_BLACK);
    M5.Lcd.printf("light:%04drn", light);
  }

  M5.update();

  if(M5.BtnA.wasPressed()) {
    esp_restart();  
  }

  delay(10);
  // put your main code here, to run repeatedly:

}