7 segment display driver for JY-MCU module based on TM1650 chip Copyright (c) 2015 Anatoli Arkhipenko Changelog: v1.0.0: 2015-02-24 - Initial release v1.0.1: 2015-04-27 - Added support of program memery (PROGMEM) to store the ASCII to Segment Code table v1.0.2 2015-08-08 - Added check if panel is connected during init. All calls will be disabled is panel was not connected during init. v1.1.0: 2015-12-20 - Code clean up. Moved to a single header file. Added Gradual brightness method