These measurements indicate that brightness is linear with the number of pixels turned on and brightness control and with enable time control. This is good news because it means this supply is good, even up to 3 A. Also, we can use enable time control (or brightness control) to power multiple panels. Enable time is probably better than brightness control in most cases because it preserves our dynamic range. Demo1: Scrolling text and bitmap at same time on 3 panels with 1 Prop Platform USB Screenshot: This demo scrolls a Windows Bitmap up and down on the right side of the screen and text on the very left side. You can see the video here: http://www.youtube.com/watch?v=sZywiOOGPkM Download the code for this demo here. The assembly driver is now blazing fast and can easily support 30 FPS video over all three panels. Mounting Multiple Panels The mounting holes for the panels are M3 (metric screw) threads, same as the power posts. The simplest way I found to mount them was with brackets for upright shelving Not all the holes lined up, but enough did so that it is very secure You can get similar things at almost any hardware store Also, the ribbon cables that came with the panels weren't all long enough for this. But, you can find longer IDC ribbon cables on Ebay for cheap look for item# 180681676520 for example For wiring, I went to the hardware store and found some lamp wire that they sell by the foot to be a good fit. Also, some ring terminals (4-6 stud, 22-18 gauge) work well for the ends of the wire. 6-Panel code example This example is for 3 panels connected as shown above and then three more, each one daisy chained to one of the original 3 to form a second row of 16x96 pixels. Shields for Sale !
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