Hi all, I am trying to use the master device to command the slave to vary the blinky speed. However, I did not observe the blinky LED lighting up at all. Can someone help me look at my code to see what is wrong? Many thanks. master device void loop() { if (Serial.available() > 0) { x = Seri…

I2C Slave command

nickgammon February 25, 2013, 4:11am 3

Don't do serial prints inside an interrupt service routine, such as receiveEvent.

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