| How to call your son to the dinner table when he is playing the drums upstairs and can’t or doesn’t want to hear you? With this luminous mul...
| How to call your son to the dinner table when he is playing the drums upstairs and can’t or doesn’t want to hear you? With this luminous mul...
| How to call your son to the dinner table while he is playing the drums upstairs? With a JavaFX touchscreen application with web interface!