@inq See my follow up post here:br />In short: Yes, the problem went away once I made the ground cables thicker and in the end the I2C ran fine on 3 m...

OK, I have an update and a confession to make.It turned out, that the LTC4311 signal enhancer was not really necessary and the I2C bus would work quit...

@dronebot-workshopI have now tested the Adafruit LTC4311 I2C Extender and it worked like a charm.Whereas before I ran into trouble with just 30 cm of ...

@dronebot-workshop And on the I2C side, have you considered using an I2C multiplexer to divide your output into several independent I2C busses? Mi...

:-) I want to make an installation with 256 mirrors (16 x 16 grid), that can move on two axis each. Here are two short videos of the 4 x 2 prototy...