Geeetech

I am having problems with 12C communications between my Iduino Yun and a Arduino uno r3. I can have the Iduino request data (using Wire.onRequest on Uno) from the Uno and it works great, however when I have the Uno sending and the Iduino using Wire.onReceive its not picking up any data!? What are ...

I have updated the firmware to Draginos latest. I would like to be able to remove/change the default (dragino) password, but can't work out how to do it......