HI Guys. I am teaching myself I2C. I am using a NANO as a MASTER to control a Pro-Mini. The Pro-Mini is the SLAVE. The Pro-Mini needs to just blink an LED. A) Do I need to define pins 18 and 19 on the NANO as SDA and SCL respectively? If yes, then should I put the following in void setup() ? #de…

Defining SCL and SDA pins on NANO

Boffin July 2, 2021, 8:47pm 8

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