StringBladePtr is meant for old-style segmented blades and take 3 arguments, but only one is required:
StringBladePtr<LED, clash_pin, clash_led>
- LED - led struct for the segments (see LED configuration)
- clash_pin - pin that drives the clash string, if present, defaults to -1 (no clash string)
- clash_led - led struct for the clash string (see LED configuration) defaults to NoLED