Ks0314 keyestudio ReSpeaker 2-Mic Pi HAT V1.0: Difference between revisions

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(Created page with "== Sample Code == <pre> // Distributed with a free-will license. // Use it any way you want, profit or free, provided it fits in the licenses of its associated works. // SHT...")
 
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== Sample Code ==


<pre>
// Distributed with a free-will license.
// Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
// SHT30
// This code is designed to work with the SHT30_I2CS I2C Mini Module available from ControlEverything.com.
// https://www.controleverything.com/content/Humidity?sku=SHT30_I2CS#tabs-0-product_tabset-2
#include <Wire.h>
// SHT30 I2C address is 0x44(68)
#define Addr 0x44
void setup()
{
  // Initialise I2C communication as MASTER
  Wire.begin();
  // Initialise serial communication, set baud rate = 9600
  Serial.begin(9600);
  delay(300);
}
void loop()
{
  unsigned int data[6];
  // Start I2C Transmission
  Wire.beginTransmission(Addr);
  // Send measurement command
  Wire.write(0x2C);
  Wire.write(0x06);
  // Stop I2C transmission
  Wire.endTransmission();
  delay(500);
  // Request 6 bytes of data
  Wire.requestFrom(Addr, 6);
  // Read 6 bytes of data
  // cTemp msb, cTemp lsb, cTemp crc, humidity msb, humidity lsb, humidity crc
  if (Wire.available() == 6)
  {
    data[0] = Wire.read();
    data[1] = Wire.read();
    data[2] = Wire.read();
    data[3] = Wire.read();
    data[4] = Wire.read();
    data[5] = Wire.read();
  }
  // Convert the data
  float cTemp = ((((data[0] * 256.0) + data[1]) * 175) / 65535.0) - 45;
  //float fTemp = (cTemp * 1.8) + 32;
  float fTemp = ((((data[0] * 256.0) + data[1]) * 315) / 65535.0) - 49;
  float humidity = ((((data[3] * 256.0) + data[4]) * 100) / 65535.0);
  // Output data to serial monitor
  Serial.print("Relative Humidity : ");
  Serial.print(humidity);
  Serial.println(" %RH");
  Serial.print("Temperature in Celsius : ");
  Serial.print(cTemp);
  Serial.println(" C");
  Serial.print("Temperature in Fahrenheit : ");
  Serial.print(fTemp);
  Serial.println(" F");
  delay(500);
}
</pre>

Revision as of 08:36, 23 July 2018

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