| My wife is a teacher. She needed a system to run the games she organizes in class. These games are question-and-answer quizzes; the system h...
![Wireless Quiz Buttons [150499-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Fthe-system-0.jpg)
| My wife is a teacher. She needed a system to run the games she organizes in class. These games are question-and-answer quizzes; the system h...