/products/raspberry-pi/raspberrypi_projects/b/blog/posts/motor-control-using-raspberry-pi-chipkit-pi-and-the-arduino-motor-control-shieldThis post is intended to demonstrate compatibility of the chipKIT Pi with certain existing Arduino shields. In the second part of this post, we will also demonstrate how to communicate with the chipKIT Pi over a simple I/O line on the Raspberry Pi, fen-USTelligent Community 12https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/motor-control-using-raspberry-pi-chipkit-pi-and-the-arduino-motor-control-shieldMon, 16 Jun 2014 09:40:11 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:6eabc8c3-805a-4066-990d-e3037cf07412Former Member0<p>I am curious. Pins <span>AREF, D7, D6, D5, D4, A2, and A3 are not connected on the chipKIT Pi.</span></p><p><span>You mentioned you connected GPIO4 to D4 on Chipkit Pi and read the input. How is this possible if D4 is not connected to the Chipkit Pi ????</span></p><img src="https://community.element14.com/aggbug?PostID=16584&AppID=84&AppType=Weblog&ContentType=0" width="1" height="1">