LED matrix driver schematic and software needs more things added to it, and modified.
Change one color LED with bi-color, and change the driver circuit accordingly.
Add a small analog circuit to existing PCB.
20 freelancers are bidding on average $203 for this job
Hi! There is no problem for me in doing this, but I need more information. In which controller is the firmware programmed?. We can renegociate the bid when I have more information...