{"id":15349,"date":"2025-03-13T23:04:30","date_gmt":"2025-03-13T15:04:30","guid":{"rendered":"https:\/\/fgchen.com\/wpedu\/?p=15349"},"modified":"2026-03-28T22:37:48","modified_gmt":"2026-03-28T14:37:48","slug":"esp32-%e6%8e%a5-lcd-%e9%a1%af%e7%a4%ba%e7%b9%81%e9%ab%94%e4%b8%ad%e6%96%87","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2025\/03\/esp32-%e6%8e%a5-lcd-%e9%a1%af%e7%a4%ba%e7%b9%81%e9%ab%94%e4%b8%ad%e6%96%87\/","title":{"rendered":"ESP32 \u63a5 LCD \u986f\u793a\u7e41\u9ad4\u4e2d\u6587"},"content":{"rendered":"\n

ESP32 \u63a5 LCD \u986f\u793a\u7e41\u9ad4\u4e2d\u6587\uff0c\u53ef\u4ee5\u4f7f\u7528 UTF-8 \u5b57\u578b\u5eab<\/strong> \u6216 \u5b57\u578b\u5716\u7247<\/strong> \u65b9\u5f0f\u4f86\u8655\u7406\u3002\u4ee5\u4e0b\u63d0\u4f9b\u5e7e\u7a2e\u5e38\u898b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\n\n\n\n

\u65b9\u6cd5 1\uff1a\u4f7f\u7528 U8g2<\/code> \u5716\u5f62\u5eab\uff08\u9069\u7528\u65bc OLED \/ LCD\uff09<\/strong><\/h2>\n\n\n\n

U8g2<\/code> \u662f\u4e00\u500b\u5f37\u5927\u7684 Arduino \u5eab\uff0c\u652f\u63f4\u7e41\u9ad4\u4e2d\u6587\u986f\u793a\uff0c\u9069\u7528\u65bc OLED<\/strong> \u548c \u90e8\u5206 LCD<\/strong>\uff08\u5982 SH1106\u3001ST7565 \u7b49\uff09\u3002<\/p>\n\n\n\n

\ud83d\udd39 \u5b89\u88dd U8g2<\/strong><\/h3>\n\n\n\n
    \n
  1. \u5728 Arduino IDE<\/strong>\uff0c\u6253\u958b \u5eab\u7ba1\u7406\u54e1\uff08Library Manager\uff09<\/strong><\/li>\n\n\n\n
  2. \u641c\u5c0b “U8g2”<\/strong>\uff0c\u5b89\u88dd “U8g2 by olikraus”<\/strong><\/li>\n<\/ol>\n\n\n\n

    \ud83d\udd39 \u9023\u63a5 ESP32 \u548c LCD\uff08\u4ee5 I2C OLED \u70ba\u4f8b\uff09<\/strong><\/h3>\n\n\n\n
    LCD Pin<\/th>ESP32 Pin<\/th><\/tr><\/thead>
    VCC<\/td>3.3V<\/td><\/tr>
    GND<\/td>GND<\/td><\/tr>
    SDA<\/td>GPIO21<\/td><\/tr>
    SCL<\/td>GPIO22<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \ud83d\udd39 \u986f\u793a\u7e41\u9ad4\u4e2d\u6587<\/strong><\/h3>\n\n\n\n

    U8g2 \u652f\u63f4 \u5b57\u5eab\uff08Font\uff09<\/strong>\uff0c\u53ef\u4ee5\u4f7f\u7528 u8g2.setFont(u8g2_font_unifont_t_chinese2)<\/code><\/strong> \u986f\u793a\u4e2d\u6587\u3002<\/p>\n\n\n\n

    \u7bc4\u4f8b\u7a0b\u5f0f<\/strong><\/h4>\n\n\n\n
    #include <Wire.h>\n#include <U8g2lib.h>\n\n\/\/ \u521d\u59cb\u5316 U8g2 (\u4ee5 SSD1306 I2C OLED \u70ba\u4f8b)\nU8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, \/* reset=*\/ U8X8_PIN_NONE);\n\nvoid setup() {\n  u8g2.begin();\n  u8g2.enableUTF8Print(); \/\/ \u555f\u7528 UTF-8 \u652f\u63f4\n}\n\nvoid loop() {\n  u8g2.clearBuffer();  \n  u8g2.setFont(u8g2_font_unifont_t_chinese2); \/\/ \u8a2d\u5b9a\u4e2d\u6587\u5b57\u578b\n  u8g2.drawUTF8(0, 24, \"\u7e41\u9ad4\u4e2d\u6587\u6e2c\u8a66\");\n  u8g2.sendBuffer();\n  delay(2000);\n}\n<\/pre>\n\n\n\n
    \ud83d\udccc \u512a\u9ede<\/strong>\uff1a\u4e0d\u9700\u984d\u5916\u5b57\u5eab\uff0c\u53ef\u4ee5\u76f4\u63a5\u986f\u793a\u7e41\u9ad4\u4e2d\u6587\u3002
    \ud83d\udccc \u7f3a\u9ede<\/strong>\uff1a\u50c5\u652f\u63f4\u5167\u5efa\u5b57\u5eab\uff0c\u90e8\u5206\u5b57\u53ef\u80fd\u7121\u6cd5\u986f\u793a\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u65b9\u6cd5 2\uff1a\u4f7f\u7528 TFT_eSPI<\/code> \u5eab\uff08\u9069\u7528\u65bc TFT LCD\uff09<\/strong><\/h2>\n\n\n\n
    \u5982\u679c\u4f7f\u7528\u7684\u662f TFT LCD\uff08\u5982 ST7735\u3001ILI9341\uff09<\/strong>\uff0c\u53ef\u4ee5\u7528 TFT_eSPI<\/code>\u3002<\/p>\n\n\n\n
    \ud83d\udd39 \u5b89\u88dd TFT_eSPI<\/strong><\/h3>\n\n\n\n
      \n
    1. \u6253\u958b Arduino IDE<\/strong><\/li>\n\n\n\n
    2. \u9032\u5165 \u5eab\u7ba1\u7406\u54e1\uff08Library Manager\uff09<\/strong><\/li>\n\n\n\n
    3. \u641c\u5c0b “TFT_eSPI”<\/strong>\uff0c\u5b89\u88dd TFT_eSPI by Bodmer<\/strong><\/li>\n\n\n\n
    4. \u5728 TFT_eSPI<\/code> \u8a2d\u5b9a\u6a94\uff08User_Setup.h<\/code>\uff09\u4fee\u6539\u87a2\u5e55\u578b\u865f\u548c\u63a5\u8173<\/li>\n<\/ol>\n\n\n\n
      \ud83d\udd39 \u4f7f\u7528\u5b57\u578b\u5716\u7247\u986f\u793a\u7e41\u9ad4\u4e2d\u6587<\/strong><\/h3>\n\n\n\n
        \n
      1. \u8f49\u63db\u4e2d\u6587\u70ba\u5716\u7247\u5b57\u5eab\uff08\u53ef\u4f7f\u7528 LCD Image Converter<\/strong> \u6216 Online Tools<\/strong>\uff09<\/li>\n\n\n\n
      2. \u8f09\u5165\u5b57\u5eab\u4e26\u7e6a\u88fd\u5b57\u5143<\/li>\n<\/ol>\n\n\n\n
        \u7bc4\u4f8b\u7a0b\u5f0f<\/strong><\/h4>\n\n\n\n
        #include <TFT_eSPI.h> \nTFT_eSPI tft = TFT_eSPI();\n\nvoid setup() {\n  tft.init();\n  tft.setRotation(1);\n  tft.fillScreen(TFT_BLACK);\n  \n  tft.setTextColor(TFT_WHITE);\n  tft.loadFont(\"TaipeiSansTC\"); \/\/ \u4f7f\u7528\u7e41\u9ad4\u5b57\u578b\n  tft.drawString(\"\u4f60\u597d\uff0c\u4e16\u754c\uff01\", 10, 10);\n}\n\nvoid loop() {\n}\n<\/pre>\n\n\n\n
        \ud83d\udccc \u512a\u9ede<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528\u9ad8\u89e3\u6790\u5ea6\u5b57\u578b\uff0c\u652f\u63f4\u6240\u6709\u7e41\u9ad4\u5b57
        \ud83d\udccc \u7f3a\u9ede<\/strong>\uff1a\u9700\u8981\u8f49\u63db\u5b57\u578b\uff0c\u4f54\u7528\u8f03\u591a\u8a18\u61b6\u9ad4<\/p>\n\n\n\n
        \n\n\n\n
        \u65b9\u6cd5 3\uff1a\u4f7f\u7528 Unicode \u5b57\u578b\uff08\u6700\u901a\u7528\uff09<\/strong><\/h2>\n\n\n\n
        \u5982\u679c LCD \u63a7\u5236\u5668\u652f\u63f4 Unicode \u6216 Bitmap \u5b57\u5eab<\/strong>\uff0c\u53ef\u4ee5\u4f7f\u7528 lvgl<\/code><\/strong> \u4f86\u986f\u793a\u7e41\u9ad4\u4e2d\u6587\u3002<\/p>\n\n\n\n
        \ud83d\udd39 \u5b89\u88dd LVGL\uff08Light and Versatile Graphics Library\uff09<\/strong><\/h3>\n\n\n\n
          \n
        1. \u5728 Arduino IDE \u5b89\u88dd LVGL<\/strong> \u5eab<\/li>\n\n\n\n
        2. \u4f7f\u7528 .ttf<\/code> \u5b57\u578b\u8f49\u63db\u5de5\u5177\uff0c\u5c07\u7e41\u9ad4\u4e2d\u6587\u5b57\u578b\u5d4c\u5165\u7a0b\u5f0f<\/li>\n<\/ol>\n\n\n\n
          \u7bc4\u4f8b\u7a0b\u5f0f<\/strong><\/h4>\n\n\n\n
          #include \"lvgl.h\"\n#include \"TFT_eSPI.h\"\n\nTFT_eSPI tft = TFT_eSPI();\n\nvoid setup() {\n    lv_init();\n    tft.init();\n    tft.setRotation(1);\n\n    lv_obj_t *label = lv_label_create(lv_scr_act());\n    lv_label_set_text(label, \"\u7e41\u9ad4\u4e2d\u6587\u6e2c\u8a66\");\n    lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);\n}\n\nvoid loop() {\n    lv_task_handler();\n    delay(5);\n}\n<\/pre>\n\n\n\n
          \ud83d\udccc \u512a\u9ede<\/strong>\uff1a\u9069\u5408\u8907\u96dc GUI \u61c9\u7528\uff0c\u5982 \u89f8\u63a7\u9762\u677f\u3001HMI<\/strong>
          \ud83d\udccc \u7f3a\u9ede<\/strong>\uff1a\u8a2d\u5b9a\u8f03\u8907\u96dc\uff0c\u9700\u984d\u5916\u914d\u7f6e\u5b57\u578b<\/p>\n\n\n\n
          \n\n\n\n
          \u7d50\u8ad6<\/strong><\/h2>\n\n\n\n
          \u65b9\u6cd5<\/th>\u9069\u7528\u786c\u9ad4<\/th>\u7279\u9ede<\/th>\u96e3\u6613\u5ea6<\/th><\/tr><\/thead>
          U8g2<\/strong><\/td>OLED \/ \u55ae\u8272 LCD<\/td>\u5167\u5efa\u4e2d\u6587\u5b57\u578b\uff0c\u5b89\u88dd\u7c21\u55ae<\/td>\u2b50\u2b50<\/td><\/tr>
          TFT_eSPI<\/strong><\/td>TFT LCD\uff08ILI9341, ST7735\uff09<\/td>\u9ad8\u756b\u8cea\uff0c\u9700\u5b57\u578b\u8f49\u63db<\/td>\u2b50\u2b50\u2b50<\/td><\/tr>
          LVGL<\/strong><\/td>\u9ad8\u968e GUI\uff08ESP32 Touch\uff09<\/td>\u6700\u5f37\u5927\uff0c\u4f46\u8a2d\u5b9a\u8f03\u96e3<\/td>\u2b50\u2b50\u2b50\u2b50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
          \u5982\u679c\u4f60\u662f \u521d\u5b78\u8005<\/strong>\uff0c\u5efa\u8b70\u5f9e U8g2<\/strong> \u958b\u59cb\uff01\ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"
          ESP32 \u63a5 LCD \u986f\u793a\u7e41\u9ad4\u4e2d\u6587\uff0c\u53ef\u4ee5\u4f7f\u7528 UTF-8 \u5b57\u578b\u5eab \u6216 \u5b57\u578b\u5716\u7247 … <\/p>\n","protected":false},"author":1,"featured_media":14977,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[256,257],"tags":[],"class_list":["post-15349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-256","category-257"],"_links":{"self":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/comments?post=15349"}],"version-history":[{"count":1,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15349\/revisions"}],"predecessor-version":[{"id":15350,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15349\/revisions\/15350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media\/14977"}],"wp:attachment":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media?parent=15349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/categories?post=15349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/tags?post=15349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}