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OpenSegment is a simple to use 7-segment display. It has the ability to communicate over serial, I2C, SPI, as well as analog and counter modes. It is super easy to use if you just need to display a number but have a lot of features including setting brightness levels and individual segment control built in.
OpenSegment displaying the number of speed bag hits.
The OpenSegment is the big brother to the Serial7Segment by Jim Lindblom. Both products use the same firmware but have different hardware layouts. Therefor, you can rely heavily on Jim’s datasheet for Serial7Segment and all the example code located here.
Things you may need to know before working with one of these boards: