23 lines
427 B
C++
23 lines
427 B
C++
// Written 2015 by Johannes Findeisen <you@hanez.org>
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#include <Wire.h>
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int lightPin = 0;
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void setup()
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{
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Wire.begin(7); // join i2c bus with address #7
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Wire.onRequest(requestEvent); // register event
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Serial.begin(9600); //Begin serial communcation
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}
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void loop()
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{
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Serial.println(analogRead(lightPin));
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delay(1000);
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}
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void requestEvent()
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{
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Wire.write(analogRead(lightPin)); // respond with message of 6 bytes
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}
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