{"id":701,"date":"2022-12-15T15:22:58","date_gmt":"2022-12-15T07:22:58","guid":{"rendered":"http:\/\/wordpress.loc\/?p=701"},"modified":"2025-05-19T11:18:39","modified_gmt":"2025-05-19T03:18:39","slug":"esp32_ch3-5","status":"publish","type":"post","link":"https:\/\/www.nmking.io\/index.php\/2022\/12\/15\/701\/","title":{"rendered":"ESP32 x NBIoT \u6a21\u7d44 i2c\u71c8\u865f\u6e2c\u8a66\u7a0b\u5f0f"},"content":{"rendered":"\n

\u9019\u662fESP32\u8f14\u52a9\u7248\u5167\u5efa\u7684\u71c8\u865f\u63a7\u5236\uff0c\u8f14\u52a9\u7248\u5167\u5efa\u516b\u500b\u63a7\u5236\u71c8\uff0c\u5305\u62ecRGB LED\u4e09\u500b\u71c8\u4ee5\u53ca\u8a0a\u865f\u6307\u793a\u71c8x5\u3002<\/p><\/blockquote><\/figure>\n\n\n\n

<\/div>\n\n\n\n

\u6211\u7684ESP32\u5be6\u505a\u66f8\u7c4d\uff1a\u6211\u51fa\u66f8\u4e86 ESP32 \u7269\u806f\u7db2\u5c08\u984c<\/a>
\u535a\u5ba2\u4f86\u7db2\u5740\uff1ahttps:\/\/www.books.com.tw\/products\/0010901195<\/a><\/p>\n\n\n\n

\n\n\n\n

\u9019\u662fESP32\u8f14\u52a9\u7248\u5167\u5efa\u7684\u71c8\u865f\u63a7\u5236\uff0c\u8f14\u52a9\u7248\u5167\u5efa\u516b\u500b\u63a7\u5236\u71c8\uff0c\u5305\u62ecRGB LED\u4e09\u500b\u71c8\u4ee5\u53ca\u8a0a\u865f\u6307\u793a\u71c8x5\u3002<\/p>\n\n\n\n

8\u500b\u71c8\u865f\u7406\u8ad6\u4e0a\u8981\u4f7f\u7528\u516b\u500b\u8173\u4f4d\u63a7\u5236\uff0c\u4e0d\u904e\u6211\u5011\u52a0\u88ddPCF8574 i2c\u6676\u7247\uff0c\u6240\u4ee5\u53ea\u7528\u4e86\u5169\u500b\u8173\u4f4d26,27\u3002<\/p>\n\n\n\n

\u4e5f\u4ee3\u8868\u4f60\u5982\u679c\u8981\u4f7f\u7528\u677f\u5b50\u4e0a\u7684\u71c8\u865f\uff0c26, 27\u8acb\u4e0d\u8981\u4f7f\u7528\u5176\u4ed6\u611f\u6e2c\u5668\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u7684\u7bc4\u4f8b\u662f\u8aaa\u660e\u5982\u4f55\u63a7\u5236\u4e09\u500bLED\u71c8\u53ca\u4e94\u500b\u8a0a\u865f\u6307\u793a\u71c8<\/p>\n\n\n\n

\"\"
NBIoT \u6a21\u7d44\u71c8\u865f\u4f4d\u7f6e<\/figcaption><\/figure>\n\n\n\n

\u8acb\u5148\u4e0b\u8f09\u51fd\u5f0f\u5eabzip\u6a94\u6848\uff1ahttps:\/\/twgo.io\/bxztc<\/a><\/p>\n\n\n\n

\u5b89\u88dd\u7a0b\u5f0f\u5eab\uff1a\u529f\u80fd\u8868\/\u8349\u7a3f\u78bc\/\u532f\u5165\u7a0b\u5f0f\u5eab\/\u52a0\u5165.ZIP\u7a0b\u5f0f\u5eab<\/p>\n\n\n\n

\"\"\/
\u5b89\u88dd\u7a0b\u5f0f\u5eab<\/figcaption><\/figure>\n\n\n\n

\u9078\u64c7\u4e0a\u9762\u4e0b\u8f09\u7684ZIP\u6a94\u6848<\/p>\n\n\n\n

\"\"
\u532f\u5165\u5df2\u4e0b\u8f09\u7684ZIP\u6a94<\/figcaption><\/figure>\n\n\n\n

\u5b8c\u6210\u532f\u5165\u7a0b\u5f0f\u5eab<\/p>\n\n\n\n

\"\"
\u532f\u5165\u5b8c\u6210\u756b\u9762<\/figcaption><\/figure>\n\n\n\n

\u63a5\u4e0b\u4f86\u76f4\u63a5\u958b\u555f\u7bc4\u4f8b\u6a94\uff0c\u6216\u8005\u8907\u88fd\u4ee5\u4e0b\u7a0b\u5f0f<\/p>\n\n\n\n

\"\"
\u958b\u555f\u7bc4\u4f8b\u6a94<\/figcaption><\/figure>\n\n\n\n
\/*Younger Yang and \u591c\u5e02\u5c0f\u9738\u738b\n  \u672c\u7bc4\u4f8b\u8aaa\u660e\u5982\u4f55\u4f7f\u7528\u672c\u6559\u5b78\u8f14\u52a9\u677f(ESP32 Matrix)\u7684LED\n  \u6559\u5b78\u677f\u4f7f\u7528GPIO 26,27\u9023\u63a5\u9644\u52a0\u7684I2C\u6676\u7247\n  \u4e00\u3001\u4f9d\u7167LED\u7de8\u865f\u958b\u555f\u6216\u95dc\u9589\uff1a\n    MatrixInt(LED\u7de8\u865f,\u958b\u95dc);\/\/\u71c8\u865f(0~7)\uff0c\u958b\u95dc(1\/0)\n    \u71c8\u7de8\u865f\u5217\u8868\uff1a\u8a0a\u865f\u6307\u793a\u71c8:0~4,Red:5,Green:6,Blue:7\n    Example\uff1a\n    MatrixInt(1,1);\/\/\u958b1\u865f\u71c8\n    MatrixInt(5,0);\/\/\u95dc5\u865f\u71c8\n  \u4e8c\u3001\u6309\u4fe1\u865f\u5f37\u5ea6\u958b\u555f\u8a0a\u865f\u6307\u793a\u71c8\uff1a\n    MatrixLEDrssi(rssi);\n    MatrixLEDrssi(-60);\/\/\u5927\u65bc-65\uff1a5 Leds\n    MatrixLEDrssi(-70);\/\/\u5927\u65bc-75\uff1a4 Leds\n    MatrixLEDrssi(-80);\/\/\u5927\u65bc-85\uff1a3 Leds\n    MatrixLEDrssi(-90);\/\/\u5927\u65bc-95\uff1a2 Leds\n    MatrixLEDrssi(-100);\/\/\u5927\u65bc-105\uff1a1 Leds\n    \/\/\u5176\u9918\u5747\u70ba0 Led\n*\/\n#include <Wire.h>\n#include \"MatrixInt.h\"\n\nvoid setup() {\n  Serial.begin(115200);\n  Wire.begin(26, 27);\n}\n\nvoid loop() {\n  Serial.println(\"Turn on ALL LEDs by ID\");\n  for (int i = 0; i < 8; ++i)\n  {\n    MatrixInt(i, 1);\/\/\u4eae\u71c8\n    delay(1000);\n    MatrixInt(i, 0);\/\/\u95dc\u71c8    \n  }\n  Serial.println(\"Turn on RSSI LED by RSSI value\");\n  for (int i = -50; i > -120; i=i-5)\n  {\n    Serial.println(\"RSSI=\" +  String(i));\n    MatrixLEDrssi(i);\n    delay(500);\n  }\n  delay(1000);\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9019\u662fESP32\u8f14\u52a9\u7248\u5167\u5efa\u7684\u71c8\u865f\u63a7\u5236\uff0c\u8f14\u52a9\u7248\u5167\u5efa\u516b\u500b\u63a7\u5236\u71c8\uff0c\u5305\u62ecRGB LED\u4e09\u500b\u71c8\u4ee5\u53ca\u8a0a\u865f\u6307\u793a\u71c8x5\u3002 \u6211\u7684E […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-701","post","type-post","status-publish","format-standard","hentry","category-esp32"],"blocksy_meta":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/posts\/701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/comments?post=701"}],"version-history":[{"count":5,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/posts\/701\/revisions"}],"predecessor-version":[{"id":1834,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/posts\/701\/revisions\/1834"}],"wp:attachment":[{"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/media?parent=701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/categories?post=701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nmking.io\/index.php\/wp-json\/wp\/v2\/tags?post=701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}