byte VtoPWM[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 250, 250, 250, 250, 250, 247, 244, 240, 237, 234, 232, 229, 226, 223, 221, 218, 216, 213, 211, 208, 206, 204, 202, 200, 197, 195, 193, 191, 190, 188, 186, 184, 182, 180, 179, 177, 175, 174, 172, 171, 169, 168, 166, 165, 163, 162, 160, 159, 158, 156, 155, 154, 153, 151, 150, 149, 148, 147, 146, 144, 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 129, 128, 127, 126, 125, 124, 124, 123, 122, 121, 120, 120, 119, 118, 117, 117, 116, 115, 115, 114, 113, 112, 112, 111, 110, 110, 109, 109, 108, 107, 107, 106, 106, 105, 104, 104, 103, 103, 102, 102, 101, 100, 100, 99, 99, 98, 98, 97, 97, 96, 96, 95, 95, 94, 94, 93, 93, 93, 92, 92, 91, 91, 90, 90, 89, 89, 89, 88, 88, 87, 87, 87, 86, 86, 85, 85, 85, 84, 84, 83, 83, 83, 82, 82, 82, 81, 81, 81, 80, 80, 80, 79, 79, 79, 78, 78, 78, 77, 77, 77, 76, 76, 76, 75, 75, 75, 75, 74, 74, 74, 73, 73, 73, 73, 72, 72, 72, 71, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56};