A simple demo program for the proprietary SysEx messages of the CASIO LK-S250 keyboard that control the key lights.
The discovered SysEx messages are as follows:
- Ping: 44 7E 7E 7F 00 03
- This message has to be sent in regular intervals (below 0.5 seconds by default) in order to keep the lights on.
- LightOn: 44 7E 7E 7F 02 00 nn 01
- This message turns on the light identified by the note number nn.
- Up to four lights can be turned on at any given time.
- LightOff: 44 7E 7E 7F 02 00 nn 00
- This message turns off the light identified by the note number nn.
The included demo program plays a simple light effects on the keyboard when connected via USB.
See the included LICENSE file.
Note: This is not an officially supported Google product.