B4J Question I2C,SPI using pi4j2

jinyistudio

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Hi
Has anyone used the jar file of pi4j2 to control I2C and SPI ? 🙏
 

sorex

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Erel wrapped one of those two into a B4J lib (jPi4j if I recall right).

check the oled (ssd1306?) or my POE hat example where you can see how to send data with it.

I see pi4j2 but I don't know what the difference is. the old protocol should be still the same I guess.
 
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