{"id":1960,"date":"2022-12-31T10:57:07","date_gmt":"2022-12-31T02:57:07","guid":{"rendered":"https:\/\/104.es\/?p=1960"},"modified":"2023-11-22T09:35:43","modified_gmt":"2023-11-22T01:35:43","slug":"raspberry-pico-lm35","status":"publish","type":"post","link":"https:\/\/104.es\/index.php\/2022\/12\/31\/raspberry-pico-lm35\/","title":{"rendered":"Raspberry Pico + LM35\u985e\u6bd4\u5f0f\u6eab\u5ea6\u611f\u6e2cIC"},"content":{"rendered":"\n<p>\u5982\u679c\u6211\u5011\u53ea\u662f\u60f3\u8981\u91cf\u6e2c\u6eab\u5ea6\uff0c\u4e26\u6c92\u6709\u91cf\u6e2c\u6fd5\u5ea6\u7684\u9700\u6c42\uff0c\u90a3\u9ebc\u4f7f\u7528LM35\u9019\u9846\u985e\u6bd4\u5f0fIC\u6703\u662f\u6bd4\u8f03\u597d\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u7684\u6eab\u5ea6\u8f38\u51fa\u662f\u985e\u6bd4\u4fe1\u865f\uff0c\u76f4\u63a5\u4ee5\u96fb\u58d3\u7684\u65b9\u5f0f\u628a\u6eab\u5ea6\u5448\u73fe\u8f38\u51fa\u63a5\u8173\uff0c\u5c0d\u65bc\u53ef\u4ee5\u5177\u6709ADC\u985e\u6bd4\u8f38\u5165\u7684Pico\u4f86\u8aaa\uff0c\u8b80\u53d6\u6eab\u5ea6\u6578\u503c\u53ef\u4ee5\u7acb\u5373\u53d6\u5f97\uff0c\u975e\u5e38\u8fc5\u901f\uff0c\u5728\u8b80\u53d6\u901f\u5ea6\u4e0a\u6bd4DHT11\u5feb\u591a\u4e86\u3002<\/p>\n\n\n\n<p>\u5e38\u898b\u7684LM35\u662f\u4ee5\u96fb\u6676\u9ad4\u7684\u578b\u5f0f\u5305\u88dd\uff0c\u770b\u8d77\u4f86\u50cf\u662f\u4e0b\u9762\u9019\u500b\u6a23\u5b50\uff08\u5728\u63a5\u8173\u7684\u4e0a\u65b9\u6703\u6709LM35\u7684\u5b57\u6a23\uff0c\u4e0d\u904e\u56e0\u70ba\u62cd\u7167\u8a2d\u5099\u53ca\u74b0\u5883\u7684\u95dc\u4fc2\uff0c\u5728\u4e0b\u5716\u4e2d\u770b\u4e0d\u592a\u51fa\u4f86\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"328\" height=\"447\" src=\"http:\/\/104es.nkust.org\/wp-content\/uploads\/2022\/12\/image-27.png?w=328\" alt=\"\" class=\"wp-image-1964\" srcset=\"https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-27.png 328w, https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-27-220x300.png 220w\" sizes=\"auto, (max-width: 328px) 100vw, 328px\" \/><\/figure>\n\n\n\n<p>\u5b83\u76843\u652f\u63a5\u8173\u4e2d\uff0c\u5de6\u5074\u662fVcc\uff0c\u5728\u9019\u88e1\u6211\u5011\u628a\u5b83\u63a5\u4e0a\u4f86\u81ea\u65bcPico\u677f\u5b50\u4e0a\u76843.3V\u96fb\u6e90\uff0c\u53f3\u5074\u7684\u63a5\u8173\u5247\u662f\u63a5\u5730\uff0c\u76f4\u63a5\u628a\u5b83\u63a5\u5230\u677f\u5b50\u4e0a\u7684GND\u3002\u4e2d\u9593\u7684\u662f\u96fb\u58d3\u4fe1\u865f\u8f38\u51fa\uff0c\u628a\u5b83\u63a5\u5230Pico\u4e0a\u7684ADC0~ADC2\u4efb\u4e00\u500b\u7686\u53ef\u3002\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u628a\u5b83\u63a5\u5230ADC1\uff0c\u4e5f\u5c31\u662f\u5be6\u9ad4\u63a5\u8173\u7684\u7b2c32\u8173\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u6bcf\u96940.2\u79d2\u5728Shell\u4e2d\u986f\u793a\u76ee\u524d\u6eab\u5ea6\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">from machine import ADC\nimport time\n\ntemp_sensor = ADC(1)\n\nwhile True:\n    val = temp_sensor.read_u16()\n    temp = (val\/65536) * 3.3 * 100\n    print(temp)\n    time.sleep(0.2)<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u5728Shell\u4e2d\u8f38\u51fa\u7684\u7d50\u679c\u622a\u5716\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"247\" height=\"211\" src=\"http:\/\/104es.nkust.org\/wp-content\/uploads\/2022\/12\/image-28.png?w=247\" alt=\"\" class=\"wp-image-1967\"\/><\/figure>\n\n\n\n<p>\u7d50\u5408\u4e4b\u524d\u7684SSD1306\u5fae\u578b\u986f\u793a\u5668\u7684\u6210\u679c\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528\u4ee5\u4e0b\u7684\u7a0b\u5f0f\uff0c\u628a\u76ee\u524d\u7684\u6eab\u5ea6\u986f\u793a\u5728SSD1306\u986f\u793a\u5668\u4e0a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">from machine import ADC, Pin, I2C\nimport time\nimport ssd1306\n\ni2c = I2C(0, sda=Pin(16), scl=Pin(17))\ndisp = ssd1306.SSD1306_I2C(128, 64, i2c)\ntemp_sensor = ADC(1)\n\nwhile True:\n    val = temp_sensor.read_u16()\n    temp = round((val\/65536) * 3.3 * 100, 2)\n    disp.fill(0)\n    disp.text('NKUST CCET', 0, 0)\n    disp.text('Min-Huang Ho', 0, 8)\n    disp.text(\"Temp:{}C\".format(temp), 0, 30)\n    disp.show()\n    time.sleep(1)\n<\/code><\/pre>\n\n\n\n<p>\u6b64\u7a0b\u5f0f\u7684\u57f7\u884c\u756b\u9762\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1368\" height=\"856\" src=\"http:\/\/104es.nkust.org\/wp-content\/uploads\/2022\/12\/image-29.png?w=1024\" alt=\"\" class=\"wp-image-1970\" srcset=\"https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-29.png 1368w, https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-29-300x188.png 300w, https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-29-1024x641.png 1024w, https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-29-768x481.png 768w\" sizes=\"auto, (max-width: 1368px) 100vw, 1368px\" \/><\/figure>\n\n\n\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662fPico W\u7684\u8a71\uff0c\u4e5f\u53ef\u4ee5\u900f\u904eMQTT\u628a\u6eab\u5ea6\u8cc7\u6599\u50b3\u9001\u51fa\u53bb\u5594\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u6211\u5011\u53ea\u662f\u60f3\u8981\u91cf\u6e2c\u6eab\u5ea6\uff0c\u4e26\u6c92\u6709\u91cf\u6e2c\u6fd5\u5ea6\u7684\u9700\u6c42\uff0c\u90a3\u9ebc\u4f7f\u7528LM35\u9019\u9846\u985e\u6bd4\u5f0fIC\u6703\u662f\u6bd4\u8f03\u597d\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u7684\u6eab\u5ea6\u8f38\u51fa\u662f\u985e\u6bd4\u4fe1\u865f\uff0c\u76f4\u63a5\u4ee5\u96fb\u58d3\u7684\u65b9\u5f0f\u628a\u6eab\u5ea6\u5448\u73fe\u8f38\u51fa\u63a5\u8173\uff0c\u5c0d\u65bc\u53ef\u4ee5\u5177\u6709ADC\u985e\u6bd4\u8f38\u5165\u7684Pico\u4f86\u8aaa\uff0c\u8b80\u53d6\u6eab\u5ea6\u6578\u503c\u53ef\u4ee5\u7acb\u5373\u53d6\u5f97\uff0c\u975e\u5e38\u8fc5\u901f\uff0c\u5728\u8b80\u53d6\u901f\u5ea6\u4e0a\u6bd4DHT11\u5feb\u591a\u4e86\u3002<\/p>\n","protected":false},"author":1,"featured_media":1862,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[16],"tags":[27,41],"class_list":["post-1960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rasbperry-pi-pico","tag-dht11","tag-lm35"],"jetpack_featured_media_url":"https:\/\/104.es\/wp-content\/uploads\/2022\/12\/image-3.png","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/1960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/comments?post=1960"}],"version-history":[{"count":1,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/1960\/revisions"}],"predecessor-version":[{"id":2978,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/1960\/revisions\/2978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media\/1862"}],"wp:attachment":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media?parent=1960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/categories?post=1960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/tags?post=1960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}