Think I may have fried a Pi3b as on testing GPIO 2 (Pin 3) SDA1 I2C as on test I get 0.60v which should be 3.3 ish. I need to use I2c and am wondering is there an alternative pin?
Wishful thinking or another £33?
You may well be correct, but, AFAICT (haven't tested) from the dtoverlay README file, it (possibly a newer replacement for that in the thread) is enabled via the same/similar mechanism. Whether the actual overlay activated has some, all or more "features" than the "original" from the early part of the thread IJDK - I guess it depends on exactly what (features) the O.P. needs.