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, 5:11am 10

Instead of:

 case 49:

How about:

 case '1':

Easier to read don't you think?

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