Keyboard Test
Real-time keyboard tester for key response, ghosting, and n-key rollover
par下任意par键点亮它。总par键Count：0 ·
新机械键盘？逐uniquepar键Tester点亮。同时par下多uniquepar键Tester冲突（Supports全键None冲的键盘应能同时点亮所有par下的par键）。
Real-time keyboard tester for key response, ghosting, and n-key rollover