Serial.print("Found "); Serial.print(devices); Serial.println(" devices"); delay(5000);
void loop() float temp = readTemperature(); Serial.print("Temperature: "); Serial.print(temp); Serial.println("°C"); delay(1000);
if(error == 0) Serial.print("Found device at 0x"); if(address < 16) Serial.print("0"); Serial.println(address, HEX); devices++; wire.h library
for(address = 1; address < 127; address++) Wire.beginTransmission(address); error = Wire.endTransmission();
Always add pull-up resistors (2.2kΩ to 10kΩ) on both SDA and SCL lines to 3.3V or 5V. Basic Functions Master Mode (Most Common) #include <Wire.h> void setup() Wire.begin(); // Join I2C bus as master Serial.begin(9600); Serial
void setup() Wire.begin(); Serial.begin(9600); Serial.println("Temperature Monitor");
#include <Wire.h> void setup() Wire.begin(0x08); // Join bus as slave with address 0x08 Wire.onReceive(receiveEvent); // Register receive handler Wire.onRequest(requestEvent); // Register request handler Serial.begin(9600); void loop() float temp = readTemperature()
float readTemperature() Wire.beginTransmission(LM75_ADDR); Wire.write(0x00); // Temperature register Wire.endTransmission();