first commit

src/main.cpp

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+#include <Arduino.h>
+#include <Adafruit_SHT4x.h>
+
+Adafruit_SHT4x sht4 = Adafruit_SHT4x();
+
+void setup() {
+  Serial.begin(9600); // zacni seriovou komunikaci s baudrate 9600
+  Serial.println("UART OK");
+
+  Serial.println("Adafruit SHT4x test"); // zadni komunikaci s SHT40 po I2C
+  if (! sht4.begin()) 
+  {
+    Serial.println("Couldn't find SHT4x"); // pokud neni sensor nalezen, program skonci v nekonecne smycce
+    while (1) delay(1);
+  }
+  Serial.println("Found SHT4x sensor");
+  Serial.print("Serial number 0x");
+  Serial.println(sht4.readSerial(), HEX);
+  sht4.setPrecision(SHT4X_HIGH_PRECISION);
+  sht4.setHeater(SHT4X_NO_HEATER);
+}
+
+void loop() {
+  sensors_event_t humidity, temp; 
+  
+  uint32_t timestamp = millis();
+  sht4.getEvent(&humidity, &temp); // cteni ze senzoru
+  timestamp = millis() - timestamp; // ziskani delky cteni ze senzoru
+
+  Serial.print("temp= ");
+  Serial.print(temp.temperature);
+  Serial.print(" humidity=");
+  Serial.println(humidity.relative_humidity);
+
+  delay(1000);
+}
+