This is bigger brother to s7s (Serial 7 Segment)
display. With exception of larger display, circuit diagram remains the same.
just like the smaller brother it uses 4 single digits displays.
Full credit goes to Sparkfun and original author as this board is just a
different layout of the original and using different LED display
Documents and Source files
Schematic
Picture
PCB (easyEDA)
Firmware and using the Serial 7-Segment Display
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