I just assmbled a protoshield, i did just use the headers on both rows, I didnt connect any of the switches, resistors, capasitors or leds, since im only using it for 2 digital pins and the +5vcc and gnd. Im then stacking a ethernetshield on top of the protoshield.
The ethershield got long header legs, so it fits on top of a protoshield. So my setup is like this arduino->protoshield->ethernetshield.
With this setup nothing works. Is there really necessary to add all the components to the shield, even if i dont use them?
I only need the protoshield as a place to solder my circuit to 3.5mm connectors for LDR sensor and a Serialenabled LCD.