first the I2C protocol device address - Start / 8 + 1bits.work fine using standard Arduino libraries, the mentioned example doesn't work for me in my working NANO board. Although several I2C devices like DS3231 RTC, etc. I am an experienced assembler and C/C++ programmer and hardware developer/designer. I just copied and reduced the code below a little from the example. Written by Nicholas Zambetti and Shawn Bonkowski, demonstrates use of the Wire library. I am starting to study the Wire library (no previous Arduino Wire library experience), I read some info taken from here.Īs you all know, this really simple example changes the value of a AD5171 digital potentiometer via I2C.
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