I usb like this
[{a:0},"ESC\n`\n\n\n~",{a:4},"Q\n1","W\n2","E\n3","R\n4","T\n5","Y\n6","U\n7","I\n8","O\n9","P\n0",{a:0},"Backspace\n\\\n\n\n|"],
[{a:4,w:1.25},"tab\ncaps lock","A","S","D","F","G","H","J",{a:0},"K\n-\n\n\n_","L\n=\n\n\n=",{a:4,w:1.75},"enter\ndel"],
[{w:1.75},"shift","Z\nprev","X\nplay","C\nnext","V\nfn2","B\nmute","N\nvoldn","M\nvolup","<\n\n\n\n\n\n,",{w:1.25},">\n\n\n\n\n\n.","?\nwin\n\n\n\n\n/"],
[{w:1.25},"ctrl","←",{w:1.25},"alt",{w:2.25},"fn1",{w:2.75},"space",{w:1.25},"alt","→",{w:1.25},"ctrl"]
FN2 is control the led