I've been playing with using the Wire library to connect two Arduinos. It appears that the transfer rate is a dismal 1 KB/sec. I see from the I2C spec( http://www.nxp.com/acrobat_download2/literature/9398/39340011.pdf ), there is a "high-speed" mode which offers 3.4 Mb/sec ~ 500KB/sec. Using a standa…

I2C transfer rates using Wire library.

graynomad April 10, 2011, 10:24am 7

Wow that's slow, I wouldn't have picked that.

What's the holdup?

Rob