Once I enter 'client' on the function ThingSpeak.begin(client); I have got the following error:
Sketch too big; see http://www.arduino.cc/en/Guide/Troubleshooting#size for tips on reducing it.
Error compiling for board Arduino Uno - Dragino Yún.
I am using Dragino board . I have even got same error adding Arduino Uno/Genuino Uno Board. So, I don't know what's my mistake.
Here you are my entire code:
https://github.com/Tonibco/Dragino-KPN-Project/blob/master/Dragino_KPN.ino
Many thanks
