It's the software for running inside an Arduino project to control a refrigerator.
/--------------\ | ON |MODE|MUTE| |----|----|----| |PLAY|PREV|NEXT| |----|----|----| | EQ | - | + | |----|----|----| | 0 |Shuf|U/SD| |----|----|----| | 1 | 2 | 3 | |----|----|----| | 4 | 5 | 6 | |----|----|----| | 7 | 8 | 9 | \--------------/
- ON turn the display On / Off
- PLAY enter selection
- PREV previous item
- NEXT next menu
- - store minimum value
- + store maximum value
- 1~9 direct access to item