I keep getting the following error when trying to upload my code with the Arduino IDE:
avrdude: stk500_recv(): programmer is not responding
I stacked the following shields:
on top of a Arduino UNO.
I first thought it could be coming from the shields draining too much power from the USB port, but connecting an external power supply hasn't changed the situation (I had to set it up to 7,5V/600mA to avoid overheating).
I'm kind of lost here, judging from shieldlist I should only be worried about the power supply, which is obviously not the case.
Any idea about my problem?