I hadn't seen any tutorials on a 4 pin HC-SR04 ping sensor for use with a Parallax P8X32A, so I thought I'd give some starter info for people new to this.
I bought a 1.3" display off amazon and am having trouble getting anything to show on it. I have the QuickStart and the IC driver for the display
Has anyone tried these out yet? I am thinking about ordering a couple just to play with but the price is a little much for just playing with. However,