Qt编写的LED点阵显示控件。The QLedMatrix widget imulates a LED matrix (dot matrix) display. A LED matrix display is a 2-dimensional array of dots used to generate characters, symbols and images. It is often seen on machines, clocks and display boards.

qt的led灯按钮 按下点量 再次按下就熄灭-QT for led button

在QT界面制作指示灯，开关变化颜色，能改变大小颜色。(Make the indicator light on the QT interface, change the color of the switch, change the size and color.)