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❌ Limited buffer size, blocking, minimal error recovery.
// Request 2 bytes from slave Wire.requestFrom(0x68, 2);
#include <Wire.h> void setup() Serial.begin(9600); Wire.begin();
delay(500);
if (Wire.available() >= 2) lsb; Serial.println(data);
#include <Wire.h> int x = 42; void setup() Wire.begin(0x08); // Join bus as slave at address 0x08 Wire.onRequest(sendData); // Call function when master requests
❌ Limited buffer size, blocking, minimal error recovery.
// Request 2 bytes from slave Wire.requestFrom(0x68, 2);
#include <Wire.h> void setup() Serial.begin(9600); Wire.begin();
delay(500);
if (Wire.available() >= 2) lsb; Serial.println(data);
#include <Wire.h> int x = 42; void setup() Wire.begin(0x08); // Join bus as slave at address 0x08 Wire.onRequest(sendData); // Call function when master requests
