{"id":187,"date":"2026-01-15T02:04:32","date_gmt":"2026-01-14T18:04:32","guid":{"rendered":"https:\/\/gccircuit.com\/wordpress\/?p=187"},"modified":"2026-01-15T08:21:19","modified_gmt":"2026-01-15T00:21:19","slug":"ne555%e8%a8%88%e6%99%82ic-%e8%a8%88%e7%ae%97%e5%99%a8","status":"publish","type":"post","link":"https:\/\/gccircuit.com\/wordpress\/2026\/01\/15\/ne555%e8%a8%88%e6%99%82ic-%e8%a8%88%e7%ae%97%e5%99%a8\/","title":{"rendered":"NE555\u8a08\u6642IC-\u8a08\u7b97\u5668"},"content":{"rendered":"\n<div style=\"background-color: #1e293b; color: #f8fafc; padding: 25px; border-radius: 15px; font-family: sans-serif; max-width: 750px; margin: auto; border: 1px solid #38bdf8; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);\">\n    \n    <h2 style=\"color: #38bdf8; text-align: center; margin-top: 0; letter-spacing: 1px;\">NE555 \u983b\u7387\u53ca\u5468\u671f\u8a08\u7b97\u5668 (\u5c08\u696d\u7248)<\/h2>\n    \n    <div style=\"display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: center; margin-bottom: 25px;\">\n        <div style=\"background: white; padding: 10px; border-radius: 8px;\">\n            <img decoding=\"async\" src=\"http:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-65.png\" alt=\"NE555\u96fb\u8def\u5716\" style=\"max-width: 180px; height: auto;\">\n        <\/div>\n        <div style=\"flex: 1; min-width: 280px; font-size: 14px; line-height: 1.6; color: #cbd5e1;\">\n            \u9019\u500b\u5de5\u5177\u7528\u65bc\u8a08\u7b97 NE555 \u7121\u7a69\u614b\u591a\u8ae7\u632f\u76ea\u5668\u53c3\u6578\u3002\u60a8\u53ef\u4ee5\u900f\u904e\u8abf\u6574 <b>R1, R2<\/b> \u53ca <b>C1<\/b> \u4f86\u63a7\u5236\u8f38\u51fa\u7684\u983b\u7387\u8207\u65b9\u6ce2\u7279\u6027\u3002<br>\n            <span style=\"color: #fbbf24; font-size: 13px;\">\u203b \u63d0\u793a\uff1aR1 \u5efa\u8b70\u4e0d\u5c0f\u65bc 1K\u03a9\uff0c\u4ee5\u907f\u514d\u7b2c\u4e03\u8173\u653e\u96fb\u96fb\u6d41\u904e\u5927\u3002<\/span>\n        <\/div>\n    <\/div>\n\n    <hr style=\"border: 0; border-top: 1px solid #334155; margin: 20px 0;\">\n\n    <div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 15px;\">\n        <div>\n            <label style=\"display: block; font-size: 12px; margin-bottom: 5px; color: #38bdf8;\">R1 \u96fb\u963b (K\u03a9)<\/label>\n            <input type=\"number\" id=\"ne_r1_v2\" value=\"1\" step=\"0.1\" style=\"width: 100%; padding: 10px; border-radius: 6px; border: 1px solid #334155; background: #0f172a; color: white;\">\n        <\/div>\n        <div>\n            <label style=\"display: block; font-size: 12px; margin-bottom: 5px; color: #38bdf8;\">R2 \u96fb\u963b (K\u03a9)<\/label>\n            <input type=\"number\" id=\"ne_r2_v2\" value=\"10\" step=\"0.1\" style=\"width: 100%; padding: 10px; border-radius: 6px; border: 1px solid #334155; background: #0f172a; color: white;\">\n        <\/div>\n        <div>\n            <label style=\"display: block; font-size: 12px; margin-bottom: 5px; color: #38bdf8;\">C1 \u96fb\u5bb9 (\u00b5F)<\/label>\n            <input type=\"number\" id=\"ne_c1_v2\" value=\"10\" step=\"0.01\" style=\"width: 100%; padding: 10px; border-radius: 6px; border: 1px solid #334155; background: #0f172a; color: white;\">\n        <\/div>\n    <\/div>\n\n    <button onclick=\"calcNE555V2()\" style=\"width: 100%; margin-top: 20px; padding: 12px; border-radius: 8px; border: none; background: #38bdf8; color: #0f172a; font-weight: bold; cursor: pointer; font-size: 16px;\">\u57f7\u884c\u904b\u7b97<\/button>\n\n    <div style=\"margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px;\">\n        <div style=\"background: #0f172a; padding: 15px; border-radius: 10px; border: 1px solid #334155;\">\n            <div style=\"color: #94a3b8; font-size: 12px;\">\u8f38\u51fa\u983b\u7387<\/div>\n            <div id=\"v2_freq\" style=\"color: #38bdf8; font-size: 20px; font-weight: bold;\">&#8212; Hz<\/div>\n        <\/div>\n        <div style=\"background: #0f172a; padding: 15px; border-radius: 10px; border: 1px solid #334155;\">\n            <div style=\"color: #94a3b8; font-size: 12px;\">\u5360\u7a7a\u6bd4 (Duty)<\/div>\n            <div id=\"v2_duty\" style=\"color: #f472b6; font-size: 20px; font-weight: bold;\">&#8212; %<\/div>\n        <\/div>\n        <div style=\"background: #0f172a; padding: 15px; border-radius: 10px; border: 1px solid #334155;\">\n            <div style=\"color: #94a3b8; font-size: 12px;\">\u9ad8\u96fb\u4f4d\u6642\u9593 (T1)<\/div>\n            <div id=\"v2_t1\" style=\"color: #fbbf24; font-size: 18px;\">&#8212; ms<\/div>\n        <\/div>\n        <div style=\"background: #0f172a; padding: 15px; border-radius: 10px; border: 1px solid #334155;\">\n            <div style=\"color: #94a3b8; font-size: 12px;\">\u4f4e\u96fb\u4f4d\u6642\u9593 (T2)<\/div>\n            <div id=\"v2_t2\" style=\"color: #fbbf24; font-size: 18px;\">&#8212; ms<\/div>\n        <\/div>\n    <\/div>\n\n    <script>\n        function calcNE555V2() {\n            var r1 = parseFloat(document.getElementById('ne_r1_v2').value) * 1000;\n            var r2 = parseFloat(document.getElementById('ne_r2_v2').value) * 1000;\n            var c1 = parseFloat(document.getElementById('ne_c1_v2').value) \/ 1000000;\n\n            if (r1 > 0 && r2 > 0 && c1 > 0) {\n                var t1 = 0.693 * (r1 + r2) * c1;\n                var t2 = 0.693 * r2 * c1;\n                var freq = 1.44 \/ ((r1 + 2 * r2) * c1);\n                var duty = (t1 \/ (t1 + t2)) * 100;\n\n                document.getElementById('v2_freq').innerText = freq.toFixed(2) + \" Hz\";\n                document.getElementById('v2_duty').innerText = duty.toFixed(1) + \" %\";\n                document.getElementById('v2_t1').innerText = (t1 * 1000).toFixed(3) + \" ms\";\n                document.getElementById('v2_t2').innerText = (t2 * 1000).toFixed(3) + \" ms\";\n            }\n        }\n    <\/script>\n<\/div>\n\n\n\n<p><em>\u300c\u7b97\u597d\u4e86\u983b\u7387\uff1f\u770b\u770b\u5982\u4f55\u61c9\u7528\uff1a[LED \u9583\u720d\u96fb\u8def\u5c08\u6848]\u3001[\u7c21\u6613\u97f3\u983b\u7522\u751f\u5668\u88fd\u4f5c]\u300d<\/em> \u9019\u80fd\u589e\u52a0\u5167\u90e8\u9023\u7d50\uff0c\u5c0d SEO \u5f88\u6709\u5e6b\u52a9\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u7531\u4ecb\u7d39SE555\/NE555\u5927\u7d04\u5728 1971 \u5e74\u7531 Signetics Corporation \u51fa\u54c1,\u63a5\u8173\u53ca\u548c\u529f\u80fd\u4f5c\u7528: (\u53c3\u8003\u4e0b\u9762\u57fa\u672c\u7684\u96fb\u8def\u6982\u8981)<br>Pin 1 (\u63a5\u5730) &#8211; \u5730\u7dda(\u6216\u5171\u540c\u63a5\u5730) \uff0c \u901a\u5e38\u88ab\u9023\u63a5\u5230\u96fb\u8def\u5171\u540c\u63a5\u5730\u3002<br>Pin 2 (\u89f8\u767c\u9ede) &#8211; \u9019\u500b\u8173\u4f4d\u662f\u89f8\u767cNE555\u4f7f\u5176\u555f\u52d5\u5b83\u7684\u6642\u9593\u9031\u671f\u3002\u89f8\u767c\u4fe1\u865f\u4e0a\u7de3\u96fb\u58d3\u9808\u5927\u65bc2\/3 VCC\uff0c\u4e0b\u7de3\u9808\u4f4e\u65bc 1\/3 VCC \u3002\u4f8b\u5982\u4f7f\u752812 \u4f0f\u7279\u4f86\u4f9b\u61c9555\u7684\u96fb\u58d3, \u89f8\u767c\u5668\u8f38\u5165\u96fb\u58d3\u5fc5\u9808\u5982\u4e0a\u8ff0\u8aaa\u660e\uff0c\u4ecb\u65bc8V\u4ee5\u4e0a4V\u4ee5\u4e0b\u3002\u884c\u52d5\u662f\u5e73\u5be6\u654f\u611f\u7684\u4e26\u4e14\u89f8\u767c\u5668\u96fb\u58d3\u4e5f\u8a31\u975e\u5e38\u6162\u6162\u5730\u884c\u52d5\u3002\u907f\u514dretriggering, \u5728\u55ae\u7a69\u614b\u7684\u65b9\u5f0f\u4e0b\u89f8\u767c\u5668\u96fb\u58d3\u5fc5\u9808\u5728\u6642\u9593\u9031\u671f\u7d50\u675f\u4e4b\u524d\u7684\u8fd4\u56de\u5230\u4f9b\u61c9\u96fb\u58d3\u76841\/3 \u4e4b\u4e0a\u3002\u89f8\u767c\u5668\u8f38\u5165\u96fb\u6d41\u662f\u5927\u7d040.5 \u5fae\u5b89\u57f9(0.5 uA)\u3002<br>Pin 3 (\u8f38\u51fa) &#8211; \u7576\u6642\u9593\u9031\u671f\u958b\u59cb555 \u7684\u8f38\u51fa\u8f38\u51fa\u8173\u4f4d\uff0c\u79fb\u81f3\u6bd4\u96fb\u6e90\u96fb\u58d3\u5c111.7 \u4f0f\u7684\u9ad8\u96fb\u4f4d\u3002\u9031\u671f\u7684\u7d50\u675f\u8f38\u51fa\u56de\u5230O\u4f0f\u5de6\u53f3\u7684\u4f4e\u96fb\u4f4d\u3002\u65bc\u9ad8\u96fb\u4f4d\u6642\u7684\u6700\u5927\u8f38\u51fa\u96fb\u6d41\u5927\u7d04200 mA \u3002<br>Pin 4 (\u91cd\u7f6e): &#8211; \u4e00\u500b\u4f4e\u908f\u8f2f\u96fb\u4f4d\u9001\u81f3\u9019\u500b\u8173\u4f4d\u6642\u6703\u91cd\u7f6e\u5b9a\u6642\u5668\u548c\u4f7f\u8f38\u51fa\u56de \u5230\u4e00\u500b\u4f4e\u96fb\u4f4d\u3002\u5b83\u901a\u5e38\u88ab\u63a5\u5230\u96fb\u6e90\u7684\u6b63\u96fb\u6216\u4e0d\u4f7f\u7528\u3002<br>Pin 5 (\u63a7\u5236) &#8211; \u9019\u500b\u63a5\u8173\u51c6\u8a31\u7531\u5916\u90e8\u96fb\u58d3\u6539\u8b8a\u89f8\u767c\u548c\u9598\u9650\u96fb\u58d3\u3002\u7576\u8a08\u6642\u5668\u7d93\u71df\u5728\u7a69\u5b9a\u6216\u9707\u76ea\u7684\u904b\u4f5c\u65b9\u5f0f\u4e0b, \u9019\u8f38\u5165\u80fd\u7528\u4f86\u6539\u8b8a\u6216\u8abf\u6574\u8f38\u51fa\u983b\u7387\u3002\u5982\u679c\u4e0d\u4f7f\u7528, \u5efa\u8b70\u5c0d\u5730\u5b89\u88dd\u4e00\u500b\u5c0f\u96fb\u5bb9\uff0c\u4ee5\u907f\u514d\u53ef\u80fd\u56e0\u96dc\u8a0a\u9020\u6210\u7684\u5047\u89f8\u767c\u3002<br>Pin 6 (\u91cd\u7f6e\u9396\u5b9a) &#8211; Pin 6 \u91cd\u7f6e\u9396\u5b9a\u4e26\u4f7f\u8f38\u51fa\u5448\u4f4e\u614b\u3002\u7576\u9019\u500b\u63a5\u8173\u7684\u96fb\u58d3\u5f9e1\/3 VCC\u96fb\u58d3\u4ee5\u4e0b\u79fb\u81f32\/3 VCC\u4ee5\u4e0a\u6642\u555f\u52d5\u9019\u500b\u52d5\u4f5c\u3002<br>Pin 7 (\u653e\u96fb) &#8211; \u9019\u500b\u63a5\u8173\u548c\u4e3b\u8981\u7684\u8f38\u51fa\u63a5\u8173\u6709\u76f8\u540c\u7684\u96fb\u6d41\u8f38\u51fa\u80fd\u529b\uff0c\u7576\u8f38\u51fa\u70baON\u6642\u70baLOW\uff0c\u5c0d\u5730\u70ba\u4f4e\u963b\u6297\uff0c\u7576\u8f38\u51fa\u70baOFF\u6642\u70baHIGH\uff0c\u5c0d\u5730\u70ba\u9ad8\u963b\u6297\u3002<br>Pin 8 (V +) &#8211; \u9019\u662f555 \u500b\u8a08\u6642\u5668IC \u7684\u6b63\u96fb\u6e90\u96fb\u58d3\u7aef\u3002\u4f9b\u61c9\u96fb\u58d3\u7684\u7bc4\u570d\u662f+4.5 \u4f0f\u7279(\u6700\u5c0f\u503c) \u81f3+16 \u4f0f\u7279(\u6700\u5927\u503c) \u3002<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"has-text-align-center\">NE556 (\u662f\u4e00\u500b\u96d9555 \u5b9a\u6642\u5668\u7684\u5c01\u88dd) \u63a5\u8173\u5c0d\u61c9555\u7684\u63a5\u8173\u5982\u4e0b\u8868<br>\u4f8b\u5982, \u4e8c\u500b\u5b9a\u6642\u5668\u7684556\u4e8c\u500b\u8f38\u51fa\u5c0d\u61c9NE555\u7684\u7b2c3\u8173\u70baPIN 5 \u548cPIN 9<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"300\" src=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-66-227x300.png\" alt=\"\" class=\"wp-image-192\" srcset=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-66-227x300.png 227w, https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-66.png 268w\" sizes=\"auto, (max-width: 227px) 100vw, 227px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>\u4ee5\u4e0b\u6709\u5169\u500bNE555\u7684\u57fa\u672c\u96fb\u8def.\u5de6\u65b9\u70ba\u55ae\u7a69-\u53f3\u65b9\u70ba\u4e0d\u7a69\u614b<\/strong><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"633\" height=\"237\" src=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-67.png\" alt=\"\" class=\"wp-image-193\" srcset=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-67.png 633w, https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-67-300x112.png 300w\" sizes=\"auto, (max-width: 633px) 100vw, 633px\" \/><\/figure>\n\n\n\n<p><strong>\u4ee5\u4e0b\u9019\u500b\u96fb\u8def\u662f\u5229\u7528NE555\u505a\u6210\u7684LED\u9583\u5149\u5668\uff0cLED\u6703\u5728\u9ad8\u7de3(T1)\u9ede\u4eae\uff0c\u4e0b\u7de3(T2)\u7184\u6389\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"304\" height=\"272\" src=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-68.png\" alt=\"\" class=\"wp-image-194\" srcset=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-68.png 304w, https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-68-300x268.png 300w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/><\/figure>\n\n\n\n<p><strong>\u4e0b\u9762\u9019\u500b555\u7684\u96fb\u8def\u662f\u4e00\u4f7f\u75283\u500b1.5V\u96fb\u6c60\u7684\u500b\u8173\u8e0f\u8eca\u9583\u5149\u71c8\uff0c2\u500b\u9583\u720d\u7684\u71c8\u6703\u4ea4\u66ff\u57281.5\u79d2\u7684\u5468\u671f\u5167\u4ea4\u4e92\u9583\u720d\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"328\" height=\"220\" src=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-69.png\" alt=\"\" class=\"wp-image-195\" srcset=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-69.png 328w, https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-69-300x201.png 300w\" sizes=\"auto, (max-width: 328px) 100vw, 328px\" \/><\/figure>\n\n\n\n<p><strong>\u4ee5\u4e0b\u9019\u500b\u96fb\u8def\u662f\u4e00\u500b\u53ef\u4ee5\u63a8\u52d540\u500bLED\u7684\u9583\u5149\u5668\u8ddf\u4e0a\u9762\u7684\u96fb\u8def\u662f\u5927\u540c\u5c0f\u7570\u7684\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"296\" src=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-70.png\" alt=\"\" class=\"wp-image-196\" srcset=\"https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-70.png 522w, https:\/\/gccircuit.com\/wordpress\/wp-content\/uploads\/2026\/01\/image-70-300x170.png 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>NE555 \u983b\u7387\u53ca\u5468\u671f\u8a08\u7b97\u5668 (\u5c08\u696d\u7248) \u9019\u500b\u5de5\u5177\u7528\u65bc\u8a08\u7b97 NE555 \u7121\u7a69\u614b\u591a\u8ae7\u632f\u76ea\u5668\u53c3\u6578\u3002\u60a8\u53ef\u4ee5\u900f\u904e\u8abf\u6574  &#8230; <a title=\"NE555\u8a08\u6642IC-\u8a08\u7b97\u5668\" class=\"read-more\" href=\"https:\/\/gccircuit.com\/wordpress\/2026\/01\/15\/ne555%e8%a8%88%e6%99%82ic-%e8%a8%88%e7%ae%97%e5%99%a8\/\" aria-label=\"Read more about NE555\u8a08\u6642IC-\u8a08\u7b97\u5668\">\u95b1\u8b80\u5168\u6587<\/a><\/p>\n","protected":false},"author":1,"featured_media":197,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy"],"_links":{"self":[{"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/posts\/187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/comments?post=187"}],"version-history":[{"count":4,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/posts\/187\/revisions"}],"predecessor-version":[{"id":200,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/posts\/187\/revisions\/200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/media\/197"}],"wp:attachment":[{"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/media?parent=187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/categories?post=187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gccircuit.com\/wordpress\/wp-json\/wp\/v2\/tags?post=187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}