31 lines
502 B
C++
31 lines
502 B
C++
#include <Wire.h>
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#include <Arduino.h>
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uint8_t count = 0;
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void setup() {
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Wire.begin(); // Master
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Serial.begin(9600);
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}
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void loop() {
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// Send count to slave
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Wire.beginTransmission(0x42);
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Wire.write(count);
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Wire.endTransmission();
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Serial.print("Sent: ");
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Serial.println(count);
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// Request response from slave
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Wire.requestFrom(0x42, 1);
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if (Wire.available()) {
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uint8_t response = Wire.read();
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Serial.print("Received: ");
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Serial.println(response);
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}
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count++;
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}
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