It is distributed as kit to reduce manufacturing costs, and thus the retail price; so in order to use the port GPIO, We must weld the strip of 40 PIN accompanying to the Pizer; also includes four additional pin, two for the video compound, and two to add a button or reset button.
Kusambazwa kama kit kupunguza gharama za viwanda, na hivyo bei ya rejareja; hivyo ili kutumia na bandari GPIO, Lazima weld ukanda wa 40 BANA kuandamana kwa ya Pizer; pia inajumuisha pin ya nne ya ziada, mbili kwa video kiwanja, na mbili kuongeza na kitufe au Weka upya kitufe.