博客 on Nand Funhttps://blog.nand.fun/posts/Recent content in 博客 on Nand FunHugo -- gohugo.iozh-cnhza2002@foxmail.com (按点下班)hza2002@foxmail.com (按点下班)© 2021 - 2026 <span class='inline-block'><a href='https://blog.nand.fun' target='_blank'>All Rights Reserved.</a></span> <span class='inline-block'><a href='https://icp.gov.moe/?keyword=20246233' target='_blank'>萌ICP备20246233号</a></span>Wed, 05 Mar 2025 17:08:59 +0800雅思备考指南https://blog.nand.fun/posts/ielts-preparation-guide/Wed, 05 Mar 2025 17:08:59 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/ielts-preparation-guide/<div class="flex px-4 py-3 rounded-md shadow bg-primary-100 dark:bg-primary-900" > <span class="text-primary-400 pe-3 flex items-center" > <span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"> <path fill="currentColor" d="M159.3 5.4c7.8-7.3 19.9-7.2 27.7 .1c27.6 25.9 53.5 53.8 77.7 84c11-14.4 23.5-30.1 37-42.9c7.9-7.4 20.1-7.4 28 .1c34.6 33 63.9 76.6 84.5 118c20.3 40.8 33.8 82.5 33.8 111.9C448 404.2 348.2 512 224 512C98.4 512 0 404.1 0 276.5c0-38.4 17.8-85.3 45.4-131.7C73.3 97.7 112.7 48.6 159.3 5.4zM225.7 416c25.3 0 47.7-7 68.8-21c42.1-29.4 53.4-88.2 28.1-134.4c-2.8-5.6-5.6-11.2-9.8-16.8l-50.6 58.8s-81.4-103.6-87.1-110.6C133.1 243.8 112 273.2 112 306.8C112 375.4 162.6 416 225.7 416z"/></svg></span> </span> <span class="dark:text-neutral-300" >我第一次雅思考试成绩为 <strong>7</strong> —— 听<strong>8</strong> 读<strong>8</strong> 写<strong>6</strong> 说<strong>5.5</strong></span> </div> <div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> <p>本文总结了我备考雅思的<strong>种种经验和做题技巧</strong></p>终极 macOS 配置方案https://blog.nand.fun/posts/ultimate-macos-setup/Thu, 17 Oct 2024 17:08:59 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/ultimate-macos-setup/<div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> 合理的配置和高效的功能软件，打造顺畅、高效工作流 </div> <blockquote><p>内容将按照配置的顺序进行解释，部分内容可根据个人需求进行选择性配置</p>Owl 键盘：组装https://blog.nand.fun/posts/owl-keyboard-assembly/Thu, 15 Aug 2024 01:04:03 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/owl-keyboard-assembly/<div class="flex px-4 py-3 rounded-md shadow bg-primary-100 dark:bg-primary-900" > <span class="text-primary-400 pe-3 flex items-center" > <span class="relative block icon"><?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg width="700pt" height="900pt" viewBox="0 0 665 900" version="1.1" xmlns="http://www.w3.org/2000/svg"> <g id="#ffffffff"> </g> <g id="#000000ff"> <path fill="currentColor" opacity="1.00" d=" M 62.00 3.05 C 90.57 9.22 118.56 17.79 146.86 25.14 C 205.79 41.72 265.00 57.32 323.95 73.89 C 327.78 74.97 331.71 76.62 335.76 75.66 C 418.01 53.54 500.66 32.87 582.27 8.41 C 589.97 6.51 597.49 3.64 605.41 2.83 C 605.46 130.56 605.42 258.29 605.43 386.01 C 604.92 392.54 604.64 399.09 604.95 405.64 C 591.28 411.74 578.50 419.58 565.29 426.59 C 592.70 482.62 624.75 536.26 651.22 592.77 C 652.62 596.41 656.73 600.77 653.62 604.55 C 645.82 614.80 640.24 626.47 633.50 637.40 C 624.65 615.60 613.44 594.85 603.33 573.62 C 597.38 559.65 589.08 546.82 582.90 532.99 C 572.56 542.68 564.00 554.01 554.30 564.31 C 538.68 581.18 524.06 598.97 508.31 615.71 C 507.90 615.64 507.07 615.48 506.66 615.40 C 486.99 581.55 467.70 547.48 448.87 513.15 C 444.63 505.71 440.62 498.11 437.31 490.20 C 436.48 488.64 434.61 490.05 433.45 490.34 C 399.39 504.09 366.19 519.87 332.76 535.09 C 318.62 528.26 304.68 520.99 290.27 514.74 C 270.80 506.12 251.80 496.19 231.43 489.82 C 207.36 531.72 184.23 574.26 159.19 615.59 C 150.18 607.28 143.46 596.85 134.76 588.24 C 123.44 575.85 112.73 562.93 101.76 550.24 C 95.73 544.54 90.49 538.08 85.24 531.67 C 79.52 544.41 71.98 556.25 65.94 568.85 C 54.54 591.39 43.79 614.25 33.75 637.43 C 27.72 628.40 22.72 618.66 15.78 610.26 C 13.69 607.75 11.84 605.04 10.57 602.03 C 27.50 567.46 45.83 533.60 63.33 499.32 C 76.22 475.22 88.15 450.60 101.56 426.78 C 89.56 419.02 76.93 412.25 64.26 405.68 C 62.93 404.97 62.54 403.37 62.10 402.06 C 61.63 391.72 62.71 381.31 61.15 371.04 C 61.12 252.36 61.17 133.67 61.12 14.99 C 61.13 10.98 62.30 7.07 62.00 3.05 M 121.35 221.46 C 110.25 248.65 113.36 280.93 129.50 305.48 C 139.42 320.60 154.06 332.52 170.77 339.41 C 201.42 352.00 238.92 344.85 262.97 322.06 C 268.46 318.06 271.99 312.10 277.15 307.74 C 296.79 340.42 314.72 374.10 333.42 407.33 C 347.21 384.59 359.62 361.06 373.18 338.19 C 379.07 328.28 385.42 318.49 389.73 307.77 C 404.30 325.11 424.20 338.86 446.69 343.20 C 474.45 349.66 505.43 340.83 525.31 320.31 C 544.75 300.09 553.91 270.82 550.49 243.07 C 547.66 225.60 540.92 208.37 528.99 195.06 C 512.61 176.09 487.91 165.27 463.00 164.25 C 438.44 165.70 413.45 175.06 396.70 193.59 C 369.01 223.53 367.81 271.54 388.37 305.66 C 379.96 306.80 371.45 306.11 363.03 307.04 C 334.90 306.66 306.69 308.05 278.64 305.70 C 281.98 296.92 286.13 288.37 288.14 279.15 C 297.35 245.30 286.92 205.23 258.16 183.78 C 244.68 172.65 227.73 166.48 210.47 164.54 C 172.88 162.29 134.29 185.57 121.35 221.46 Z" /> <path fill="currentColor" opacity="1.00" d=" M 198.48 197.50 C 223.48 194.39 248.09 211.99 255.18 235.81 C 262.14 255.76 256.87 279.81 241.39 294.39 C 230.30 306.32 213.49 312.93 197.24 311.52 C 174.91 308.81 156.20 290.83 150.48 269.42 C 145.19 251.74 149.79 231.76 161.34 217.52 C 170.28 206.05 184.18 199.19 198.48 197.50 Z" /> <path fill="currentColor" opacity="1.00" d=" M 460.46 197.48 C 466.45 197.39 472.45 198.57 478.28 199.94 C 507.51 208.62 524.84 243.59 515.44 272.29 C 508.59 296.14 483.95 314.07 458.93 311.64 C 432.24 309.36 410.44 285.16 407.88 259.00 C 405.70 244.93 410.08 230.06 418.99 218.99 C 428.14 205.44 444.50 198.38 460.46 197.48 Z" /> <path fill="currentColor" opacity="1.00" d=" M 581.44 680.45 C 596.83 669.34 613.30 659.70 627.85 647.48 C 609.06 681.90 590.13 716.26 571.99 751.03 C 562.53 767.18 554.92 784.42 544.41 799.94 C 553.85 811.11 564.41 821.37 572.40 833.71 C 555.53 835.34 538.39 835.04 521.39 835.11 C 513.01 843.43 507.17 853.98 499.53 863.01 C 498.99 863.01 497.91 863.01 497.37 863.00 C 487.62 851.57 479.48 838.74 468.93 828.03 C 467.26 825.71 465.48 828.05 464.95 829.87 C 453.47 852.09 447.34 876.67 435.79 898.82 C 431.77 894.14 430.34 887.96 427.38 882.66 C 417.89 861.00 409.42 838.90 399.41 817.48 C 398.88 815.81 396.90 813.49 399.06 812.19 C 411.55 801.42 425.00 791.83 438.55 782.46 C 485.58 747.63 533.46 713.97 581.44 680.45 Z" /> <path fill="currentColor" opacity="1.00" d=" M 41.71 650.55 C 54.16 658.58 66.46 666.84 78.68 675.21 C 129.74 711.46 180.59 747.99 230.99 785.18 C 243.21 795.12 256.96 803.26 268.07 814.53 C 261.08 823.88 257.91 835.40 253.04 845.89 C 245.56 863.45 238.36 881.14 229.86 898.25 C 229.22 897.51 228.61 896.76 228.03 895.99 C 217.10 873.07 211.14 848.09 200.01 825.28 C 188.00 836.71 179.71 851.37 169.10 864.01 C 168.72 864.00 167.98 863.97 167.61 863.96 C 160.97 856.30 155.95 847.39 149.60 839.50 C 148.02 837.34 146.02 834.80 143.02 835.11 C 127.15 835.18 111.26 835.25 95.45 833.78 C 103.70 822.34 113.30 811.99 122.20 801.09 C 104.38 766.29 86.51 731.51 68.04 697.06 C 59.86 681.24 52.50 664.82 41.71 650.55 Z" /> </g> </svg></span> </span> <span class="dark:text-neutral-300" >如果您在安装过程中遇到任何困难，请充分发挥<strong>DIY能力</strong>，使用各种可行的部件</span> </div> <h2 class="relative group">Switch Socket <div id="switch-socket" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#switch-socket" aria-label="锚点">#</a> </span> </h2> <p>请根据所选的 PCB 选择相应的轴座。</p>Owl 键盘：材料https://blog.nand.fun/posts/owl-keyboard-materials/Wed, 14 Aug 2024 01:04:03 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/owl-keyboard-materials/<div class="flex px-4 py-3 rounded-md shadow bg-primary-100 dark:bg-primary-900" > <span class="text-primary-400 pe-3 flex items-center" > <span class="relative block icon"><?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg width="700pt" height="900pt" viewBox="0 0 665 900" version="1.1" xmlns="http://www.w3.org/2000/svg"> <g id="#ffffffff"> </g> <g id="#000000ff"> <path fill="currentColor" opacity="1.00" d=" M 62.00 3.05 C 90.57 9.22 118.56 17.79 146.86 25.14 C 205.79 41.72 265.00 57.32 323.95 73.89 C 327.78 74.97 331.71 76.62 335.76 75.66 C 418.01 53.54 500.66 32.87 582.27 8.41 C 589.97 6.51 597.49 3.64 605.41 2.83 C 605.46 130.56 605.42 258.29 605.43 386.01 C 604.92 392.54 604.64 399.09 604.95 405.64 C 591.28 411.74 578.50 419.58 565.29 426.59 C 592.70 482.62 624.75 536.26 651.22 592.77 C 652.62 596.41 656.73 600.77 653.62 604.55 C 645.82 614.80 640.24 626.47 633.50 637.40 C 624.65 615.60 613.44 594.85 603.33 573.62 C 597.38 559.65 589.08 546.82 582.90 532.99 C 572.56 542.68 564.00 554.01 554.30 564.31 C 538.68 581.18 524.06 598.97 508.31 615.71 C 507.90 615.64 507.07 615.48 506.66 615.40 C 486.99 581.55 467.70 547.48 448.87 513.15 C 444.63 505.71 440.62 498.11 437.31 490.20 C 436.48 488.64 434.61 490.05 433.45 490.34 C 399.39 504.09 366.19 519.87 332.76 535.09 C 318.62 528.26 304.68 520.99 290.27 514.74 C 270.80 506.12 251.80 496.19 231.43 489.82 C 207.36 531.72 184.23 574.26 159.19 615.59 C 150.18 607.28 143.46 596.85 134.76 588.24 C 123.44 575.85 112.73 562.93 101.76 550.24 C 95.73 544.54 90.49 538.08 85.24 531.67 C 79.52 544.41 71.98 556.25 65.94 568.85 C 54.54 591.39 43.79 614.25 33.75 637.43 C 27.72 628.40 22.72 618.66 15.78 610.26 C 13.69 607.75 11.84 605.04 10.57 602.03 C 27.50 567.46 45.83 533.60 63.33 499.32 C 76.22 475.22 88.15 450.60 101.56 426.78 C 89.56 419.02 76.93 412.25 64.26 405.68 C 62.93 404.97 62.54 403.37 62.10 402.06 C 61.63 391.72 62.71 381.31 61.15 371.04 C 61.12 252.36 61.17 133.67 61.12 14.99 C 61.13 10.98 62.30 7.07 62.00 3.05 M 121.35 221.46 C 110.25 248.65 113.36 280.93 129.50 305.48 C 139.42 320.60 154.06 332.52 170.77 339.41 C 201.42 352.00 238.92 344.85 262.97 322.06 C 268.46 318.06 271.99 312.10 277.15 307.74 C 296.79 340.42 314.72 374.10 333.42 407.33 C 347.21 384.59 359.62 361.06 373.18 338.19 C 379.07 328.28 385.42 318.49 389.73 307.77 C 404.30 325.11 424.20 338.86 446.69 343.20 C 474.45 349.66 505.43 340.83 525.31 320.31 C 544.75 300.09 553.91 270.82 550.49 243.07 C 547.66 225.60 540.92 208.37 528.99 195.06 C 512.61 176.09 487.91 165.27 463.00 164.25 C 438.44 165.70 413.45 175.06 396.70 193.59 C 369.01 223.53 367.81 271.54 388.37 305.66 C 379.96 306.80 371.45 306.11 363.03 307.04 C 334.90 306.66 306.69 308.05 278.64 305.70 C 281.98 296.92 286.13 288.37 288.14 279.15 C 297.35 245.30 286.92 205.23 258.16 183.78 C 244.68 172.65 227.73 166.48 210.47 164.54 C 172.88 162.29 134.29 185.57 121.35 221.46 Z" /> <path fill="currentColor" opacity="1.00" d=" M 198.48 197.50 C 223.48 194.39 248.09 211.99 255.18 235.81 C 262.14 255.76 256.87 279.81 241.39 294.39 C 230.30 306.32 213.49 312.93 197.24 311.52 C 174.91 308.81 156.20 290.83 150.48 269.42 C 145.19 251.74 149.79 231.76 161.34 217.52 C 170.28 206.05 184.18 199.19 198.48 197.50 Z" /> <path fill="currentColor" opacity="1.00" d=" M 460.46 197.48 C 466.45 197.39 472.45 198.57 478.28 199.94 C 507.51 208.62 524.84 243.59 515.44 272.29 C 508.59 296.14 483.95 314.07 458.93 311.64 C 432.24 309.36 410.44 285.16 407.88 259.00 C 405.70 244.93 410.08 230.06 418.99 218.99 C 428.14 205.44 444.50 198.38 460.46 197.48 Z" /> <path fill="currentColor" opacity="1.00" d=" M 581.44 680.45 C 596.83 669.34 613.30 659.70 627.85 647.48 C 609.06 681.90 590.13 716.26 571.99 751.03 C 562.53 767.18 554.92 784.42 544.41 799.94 C 553.85 811.11 564.41 821.37 572.40 833.71 C 555.53 835.34 538.39 835.04 521.39 835.11 C 513.01 843.43 507.17 853.98 499.53 863.01 C 498.99 863.01 497.91 863.01 497.37 863.00 C 487.62 851.57 479.48 838.74 468.93 828.03 C 467.26 825.71 465.48 828.05 464.95 829.87 C 453.47 852.09 447.34 876.67 435.79 898.82 C 431.77 894.14 430.34 887.96 427.38 882.66 C 417.89 861.00 409.42 838.90 399.41 817.48 C 398.88 815.81 396.90 813.49 399.06 812.19 C 411.55 801.42 425.00 791.83 438.55 782.46 C 485.58 747.63 533.46 713.97 581.44 680.45 Z" /> <path fill="currentColor" opacity="1.00" d=" M 41.71 650.55 C 54.16 658.58 66.46 666.84 78.68 675.21 C 129.74 711.46 180.59 747.99 230.99 785.18 C 243.21 795.12 256.96 803.26 268.07 814.53 C 261.08 823.88 257.91 835.40 253.04 845.89 C 245.56 863.45 238.36 881.14 229.86 898.25 C 229.22 897.51 228.61 896.76 228.03 895.99 C 217.10 873.07 211.14 848.09 200.01 825.28 C 188.00 836.71 179.71 851.37 169.10 864.01 C 168.72 864.00 167.98 863.97 167.61 863.96 C 160.97 856.30 155.95 847.39 149.60 839.50 C 148.02 837.34 146.02 834.80 143.02 835.11 C 127.15 835.18 111.26 835.25 95.45 833.78 C 103.70 822.34 113.30 811.99 122.20 801.09 C 104.38 766.29 86.51 731.51 68.04 697.06 C 59.86 681.24 52.50 664.82 41.71 650.55 Z" /> </g> </svg></span> </span> <span class="dark:text-neutral-300" >请仔细阅读指南，也可参考其他分割键盘构造指南作为参考</span> </div> <h2 class="relative group">PCB <div id="pcb" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#pcb" aria-label="锚点">#</a> </span> </h2> <table> <thead> <tr> <th style="text-align: left">物品</th> <th style="text-align: left">数量</th> <th style="text-align: left">备注</th> </tr> </thead> <tbody> <tr> <td style="text-align: left">PCB</td> <td style="text-align: left">2</td> <td style="text-align: left">如果使用 3D 打印外壳，则用 1.6mm 厚</td> </tr> <tr> <td style="text-align: left">ProMicro</td> <td style="text-align: left">2</td> <td style="text-align: left"><a href="https://nicekeyboards.com/nice-nano" target="_blank" rel="noreferrer">nice!nano</a></td> </tr> <tr> <td style="text-align: left">二极管</td> <td style="text-align: left">46</td> <td style="text-align: left">SOD-123 或 DO-35</td> </tr> <tr> <td style="text-align: left">重置开关</td> <td style="text-align: left">2</td> <td style="text-align: left">3*6*5</td> </tr> <tr> <td style="text-align: left">电池开关</td> <td style="text-align: left">2</td> <td style="text-align: left">MSK-1102-1.5H</td> </tr> <tr> <td style="text-align: left">电池插座</td> <td style="text-align: left">2</td> <td style="text-align: left">PH2.0 2P</td> </tr> <tr> <td style="text-align: left">电池</td> <td style="text-align: left">2</td> <td style="text-align: left">3.7V 锂电池（最大 40*50*70）</td> </tr> <tr> <td style="text-align: left">PCB 轴座</td> <td style="text-align: left">46</td> <td style="text-align: left">兼容标准轴和佳达隆矮轴，如使用 choc 版本 PCB 则兼容凯华矮轴</td> </tr> <tr> <td style="text-align: left">轴体</td> <td style="text-align: left">46</td> <td style="text-align: left">按照你选择的轴座选择对应轴体</td> </tr> <tr> <td style="text-align: left">键帽</td> <td style="text-align: left">46</td> <td 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group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#rgb-%e5%92%8c-oled" aria-label="锚点">#</a> </span> </h3> <table> <thead> <tr> <th style="text-align: left">物品</th> <th style="text-align: left">数量</th> <th style="text-align: left">备注</th> </tr> </thead> <tbody> <tr> <td style="text-align: left">OLED</td> <td style="text-align: left">2</td> <td style="text-align: left">0.91 英寸</td> </tr> <tr> <td style="text-align: left">SK6812MINI-E</td> <td style="text-align: left">58</td> <td style="text-align: left">因为它们是串连的，所以需要全部安装</td> </tr> </tbody> </table> <div class="width-patch"></div> <div id="carousel-a7a426bffcd77e47b38c0597aa0b2dea-1789911059636601791" class="relative" style="container-type: inline-size;" data-twe-carousel-init data-twe-ride="carousel" data-twe-interval="2000"> <div class="absolute right-0 left-0 z-2 mx-[15%] mb-10 flex list-none justify-center p-0" style="top: calc(100cqi * 9 / 16 - 2.5rem);" 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bg-none p-0 text-center opacity-50 transition-opacity duration-150 ease-[cubic-bezier(0.25,0.1,0.25,1.0)] hover:no-underline hover:opacity-90 hover:outline-none focus:no-underline focus:opacity-90 focus:outline-none motion-reduce:transition-none" style="height: calc(100cqi * 9 / 16);" type="button" data-twe-target="#carousel-a7a426bffcd77e47b38c0597aa0b2dea-1789911059636601791" data-twe-slide="next"> <span class="inline-block h-8 w-8"> <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="4.5" stroke="currentColor" class="h-6 w-6"> <path stroke-linecap="round" stroke-linejoin="round" d="M8.25 4.5l7.5 7.5-7.5 7.5" /> </svg> </span> <span class="!absolute !-m-px !h-px !w-px !overflow-hidden !whitespace-nowrap !border-0 !p-0 ![clip:rect(0,0,0,0)]" >Next</span > </button> </div> <h3 class="relative group">外壳 <div id="外壳" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%a4%96%e5%a3%b3" aria-label="锚点">#</a> </span> </h3> <h4 class="relative group">标准外壳 <div id="标准外壳" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%a0%87%e5%87%86%e5%a4%96%e5%a3%b3" aria-label="锚点">#</a> </span> </h4> <table> <thead> <tr> <th style="text-align: left">物品</th> <th style="text-align: left">数量</th> <th style="text-align: left">备注</th> </tr> </thead> <tbody> <tr> <td style="text-align: left">M2 螺柱 12mm</td> <td style="text-align: left">4</td> <td style="text-align: left">用于垫高 OLED 盖板</td> </tr> <tr> <td style="text-align: left">M2 螺丝</td> <td style="text-align: left">24</td> <td style="text-align: left">至少 3mm</td> </tr> <tr> <td style="text-align: left">脚垫</td> <td style="text-align: left">任意</td> <td style="text-align: left">防滑</td> </tr> </tbody> </table> <p><figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="Rubber" width="3178" height="550" src="https://blog.nand.fun/posts/owl-keyboard-materials/rubber_hu_76de2ce6b82c193b.webp" srcset="https://blog.nand.fun/posts/owl-keyboard-materials/rubber_hu_76de2ce6b82c193b.webp 800w, https://blog.nand.fun/posts/owl-keyboard-materials/rubber_hu_730f15371755322a.webp 1280w" sizes="(min-width: 768px) 50vw, 65vw" data-zoom-src="https://blog.nand.fun/posts/owl-keyboard-materials/rubber.webp"></figure> </p>Owl 键盘：概述https://blog.nand.fun/posts/owl-keyboard-overview/Tue, 13 Aug 2024 01:04:03 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/owl-keyboard-overview/<div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> <strong>Owl (Orthogonal Wireless Layout)</strong> </div> <div class="flex px-4 py-3 rounded-md shadow bg-primary-100 dark:bg-primary-900" > <span class="text-primary-400 pe-3 flex items-center" > 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230.30 306.32 213.49 312.93 197.24 311.52 C 174.91 308.81 156.20 290.83 150.48 269.42 C 145.19 251.74 149.79 231.76 161.34 217.52 C 170.28 206.05 184.18 199.19 198.48 197.50 Z" /> <path fill="currentColor" opacity="1.00" d=" M 460.46 197.48 C 466.45 197.39 472.45 198.57 478.28 199.94 C 507.51 208.62 524.84 243.59 515.44 272.29 C 508.59 296.14 483.95 314.07 458.93 311.64 C 432.24 309.36 410.44 285.16 407.88 259.00 C 405.70 244.93 410.08 230.06 418.99 218.99 C 428.14 205.44 444.50 198.38 460.46 197.48 Z" /> <path fill="currentColor" opacity="1.00" d=" M 581.44 680.45 C 596.83 669.34 613.30 659.70 627.85 647.48 C 609.06 681.90 590.13 716.26 571.99 751.03 C 562.53 767.18 554.92 784.42 544.41 799.94 C 553.85 811.11 564.41 821.37 572.40 833.71 C 555.53 835.34 538.39 835.04 521.39 835.11 C 513.01 843.43 507.17 853.98 499.53 863.01 C 498.99 863.01 497.91 863.01 497.37 863.00 C 487.62 851.57 479.48 838.74 468.93 828.03 C 467.26 825.71 465.48 828.05 464.95 829.87 C 453.47 852.09 447.34 876.67 435.79 898.82 C 431.77 894.14 430.34 887.96 427.38 882.66 C 417.89 861.00 409.42 838.90 399.41 817.48 C 398.88 815.81 396.90 813.49 399.06 812.19 C 411.55 801.42 425.00 791.83 438.55 782.46 C 485.58 747.63 533.46 713.97 581.44 680.45 Z" /> <path fill="currentColor" opacity="1.00" d=" M 41.71 650.55 C 54.16 658.58 66.46 666.84 78.68 675.21 C 129.74 711.46 180.59 747.99 230.99 785.18 C 243.21 795.12 256.96 803.26 268.07 814.53 C 261.08 823.88 257.91 835.40 253.04 845.89 C 245.56 863.45 238.36 881.14 229.86 898.25 C 229.22 897.51 228.61 896.76 228.03 895.99 C 217.10 873.07 211.14 848.09 200.01 825.28 C 188.00 836.71 179.71 851.37 169.10 864.01 C 168.72 864.00 167.98 863.97 167.61 863.96 C 160.97 856.30 155.95 847.39 149.60 839.50 C 148.02 837.34 146.02 834.80 143.02 835.11 C 127.15 835.18 111.26 835.25 95.45 833.78 C 103.70 822.34 113.30 811.99 122.20 801.09 C 104.38 766.29 86.51 731.51 68.04 697.06 C 59.86 681.24 52.50 664.82 41.71 650.55 Z" /> </g> </svg></span> </span> <span class="dark:text-neutral-300" >人体工学无线蓝牙分体键盘</span> </div> <blockquote><p>设计灵感来源于 <a href="https://github.com/kata0510/Lily58" target="_blank" rel="noreferrer">Lily58</a>、<a href="https://github.com/foostan/crkbd" target="_blank" rel="noreferrer">Corne</a>、<a href="https://github.com/josefadamcik/SofleKeyboard" target="_blank" rel="noreferrer">Sofle</a> 和 <a href="https://github.com/rtitmuss/torn" target="_blank" rel="noreferrer">Torn</a> 键盘。</p>图像处理中的线性代数https://blog.nand.fun/posts/linear-algebra-in-imaging/Tue, 10 Jan 2023 12:27:57 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/linear-algebra-in-imaging/<div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> 图像是由一个一个像素点组成的，处理图像的本质就是处理这些像素点。像素之间的关联性是重要的信息，不能完全把像素点割裂开来，这一点也正是众多图像算法的出发点。卷积（Convolution）是数学中的一种常用的运算。在图像处理中，它通过将图像和卷积核进行运算来改变图像的细节。图像的卷积或滤波操作在各种场合应用很普遍，如各种滤镜、卷积神经网络等。本文将将通过图像滤波，探讨在图像处理领域的卷积中应用的线性代数知识。 </div> <h2 class="relative group">图像处理介绍 <div id="图像处理介绍" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%9b%be%e5%83%8f%e5%a4%84%e7%90%86%e4%bb%8b%e7%bb%8d" aria-label="锚点">#</a> </span> </h2> <p>图像处理是指对图像进行分析、加工和处理，使其满足视觉、心理或其他要求的技术。图像处理是信号处理在图像领域上的一个应用。目前大多数的图像均是以数码形式存储，因而图像处理很多情况下指数字图像处理。此外，基于光学理论的处理方法依然占有重要的地位。</p>百囚问题https://blog.nand.fun/posts/100-prisoners-problem/Sun, 08 Jan 2023 14:08:24 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/100-prisoners-problem/<div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> 百囚徒挑战是一个反直觉的问题，它描述了一个看似不可能的事件：100 名囚犯有概率地做同一件事，只有全部囚犯都做成了，他们才能生存下去。这个问题实际上有一种合理的实现方法，将其概率提高近 <strong>30 个数量级</strong>。 </div> <h2 class="relative group">问题描述 <div id="问题描述" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e9%97%ae%e9%a2%98%e6%8f%8f%e8%bf%b0" aria-label="锚点">#</a> </span> </h2> <p>百囚问题是概率论和组合数学中的一个数学问题。在这个问题中，100 名编号囚犯必须在 100 个抽屉中找到自己的号码才能生存。规则规定，每个囚犯只能打开 50 个抽屉，不能与其他囚犯交流。丹麦计算机科学家 <em><strong>Peter Bro Miltersen</strong></em> 于 2003 年首次提出了这个问题。作为这个问题的升级版本，将有 \(2N\) 名囚犯。他们对应的 \(2N\) 个号码卡被洗牌并放置在 \(2N\) 个抽屉中。每个囚犯最多只能打开一半的抽屉，找到对应自己号码的号码卡。所有囚犯将分别进入房间，任何一个囚犯的失败都会导致整个挑战的失败，囚犯获胜的最大概率是多少?</p>乳腺癌预测模型https://blog.nand.fun/posts/breast-cancer-prediction/Wed, 22 Jun 2022 01:23:48 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/breast-cancer-prediction/<blockquote><p>数据来源：<a href="https://www.kaggle.com/datasets/merishnasuwal/breast-cancer-prediction-dataset" target="_blank" rel="noreferrer">乳腺癌预测数据集</a></p> </blockquote> <h2 class="relative group">简介 <div id="简介" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e7%ae%80%e4%bb%8b" aria-label="锚点">#</a> </span> </h2> <p>全球范围内，乳腺癌是女性最常见的癌症类型，在死亡率方面排名第二。当发现异常肿块（来自自我检查或X光）或看到钙质小点（在X光片上）时，就会进行乳腺癌的诊断。在发现可疑肿块后，医生将进行诊断以确定是否为癌症，如果是，是否已扩散到身体的其他部位。</p>美国监狱死亡情况https://blog.nand.fun/posts/jail-deaths-in-america/Tue, 21 Jun 2022 01:23:48 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/jail-deaths-in-america/<blockquote><p>数据来源：<a href="https://www.reuters.com/investigates/special-report/usa-jails-graphic/" target="_blank" rel="noreferrer">美国监狱死亡事件：_Dying Inside_的数据和关键发现</a></p> <p>包含美国750名及以上囚犯的大型监狱数据。为确保涵盖全国死亡人数，它还包括了每个州前10大监狱的数据</p>粉丝最多的50个推特号https://blog.nand.fun/posts/top-50-twitter-accounts/Mon, 20 Jun 2022 01:23:48 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/top-50-twitter-accounts/<blockquote><p>Data source: <a href="https://www.kaggle.com/datasets/hassanshehzadk/top-50-most-followed-twitter-accounts?resource=download" target="_blank" rel="noreferrer">Top 50 Most Followed Twitter Accounts</a></p> </blockquote> <h2 class="relative group">简介 <div id="简介" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e7%ae%80%e4%bb%8b" aria-label="锚点">#</a> </span> </h2> <p>数据列出了<strong>Twitter</strong>上最受关注的50个账户，每个总数四舍五入到最近的十万，以及每个用户的职业或活动。账户总数和排名月度变化最后更新于<strong>2022年5月12日</strong>。</p>二氧化碳排放量估算https://blog.nand.fun/posts/carbon-dioxide-emission-estimates/Sun, 19 Jun 2022 01:23:48 +0800hza2002@foxmail.com (按点下班)https://blog.nand.fun/posts/carbon-dioxide-emission-estimates/<blockquote><p>数据来源：<a href="http://data.un.org/_Docs/SYB/CSV/SYB64_310_202110_Carbon%20Dioxide%20Emission%20Estimates.csv" target="_blank" rel="noreferrer">Carbon Dioxide Emission Estimates</a></p> </blockquote> <h2 class="relative group">简介 <div id="简介" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e7%ae%80%e4%bb%8b" aria-label="锚点">#</a> </span> </h2> <p>数据来源于<a href="http://data.un.org/default.aspx" target="_blank" rel="noreferrer">undata</a>。最后更新于2021年11月1日。它包含了几年来世界各国总碳排放量和人均碳排放量。由于国家数量众多，在本数据分析中，我们仅选择了九个国家，即中国、美国、法国、德国、加拿大、意大利、日本、英国和奥地利。</p>