/** * @file ENV.ino * @author SeanKwok (shaoxiang@m5stack.com) * @brief * @version 0.1 * @date 2024-01-30 * * * @Hardwares: M5Core + Unit ENV * @Platform Version: Arduino M5Stack Board Manager v2.1.0 * @Dependent Library: * M5UnitENV: https://github.com/m5stack/M5Unit-ENV */ #include "M5UnitENV.h" DHT12 dht; BMP280 bmp; void setup() { Serial.begin(115200); if (!dht.begin(&Wire, DHT12_I2C_ADDR, 2, 1, 400000U)) { Serial.println("Couldn't find DHT12"); while (1) delay(1); } if (!bmp.begin(&Wire, BMP280_I2C_ADDR, 2, 1, 400000U)) { Serial.println("Couldn't find BMP280"); while (1) delay(1); } /* Default settings from datasheet. */ bmp.setSampling(BMP280::MODE_NORMAL, /* Operating Mode. */ BMP280::SAMPLING_X2, /* Temp. oversampling */ BMP280::SAMPLING_X16, /* Pressure oversampling */ BMP280::FILTER_X16, /* Filtering. */ BMP280::STANDBY_MS_500); /* Standby time. */ } void loop() { if (dht.update()) { Serial.println("-----DHT12-----"); Serial.print("Temperature: "); Serial.print(dht.cTemp); Serial.println(" degrees C"); Serial.print("Humidity: "); Serial.print(dht.humidity); Serial.println("% rH"); Serial.println("-------------\r\n"); } if (bmp.update()) { Serial.println("-----BMP280-----"); Serial.print(F("Temperature: ")); Serial.print(bmp.cTemp); Serial.println(" degrees C"); Serial.print(F("Pressure: ")); Serial.print(bmp.pressure); Serial.println(" Pa"); Serial.print(F("Approx altitude: ")); Serial.print(bmp.altitude); Serial.println(" m"); Serial.println("-------------\r\n"); } delay(1000); }