{"id":3035,"date":"2020-08-16T15:15:28","date_gmt":"2020-08-16T06:15:28","guid":{"rendered":"http:\/\/otsuka.biz\/blog1\/?p=3035"},"modified":"2024-02-12T17:41:59","modified_gmt":"2024-02-12T08:41:59","slug":"esp32-wroom-32-arduino-compatible-development-board-based-on-espressif-esp32","status":"publish","type":"post","link":"https:\/\/otsuka.biz\/blog1\/esp32-wroom-32-arduino-compatible-development-board-based-on-espressif-esp32\/","title":{"rendered":"ESP32-WROOM-32: Arduino compatible development board based on Espressif ESP32"},"content":{"rendered":"\n

<< Introduction in Japanese >><\/p>\n\n\n\n

2020\u5e74\u306e\u590f\u3001\u4f55\u304c\u65e5\u5e38\u3067\u4f55\u304c\u975e\u65e5\u5e38\u306a\u306e\u304b\uff1f With Corona \u304c\u53eb\u3070\u308c\u3066\u3001COVID-19 \u304c\u65e5\u5e38\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u4eca\u5e74\u306e\u76c6\u4f11\u307f\u3002\u305d\u3053\u3067\u3001\u975e\u65e5\u5e38\u306e\u4e00\u3064\u3067\u3042\u308b\u96fb\u5b50\u5de5\u4f5c\u306b\u53d6\u308a\u7d44\u3093\u3067\u307f\u3088\u3046\u3068\u601d\u3044\u3001ESP32 \u3092\u5bfe\u8c61\u306b\u9078\u3093\u3060\u3002\u5168\u3066\u304c Made in China \u4e00\u8272\u306e\u590f\u3068\u3057\u305f\u3002<\/p>\n\n\n\n

ESP32 \u306e\u5b9f\u9a13\u30dc\u30fc\u30c9\u306f\u3001\u65b0\u578b\u30b3\u30ed\u30ca\u524d\u306b\u8cb7\u3063\u3066\u3044\u305f ESP32-WROOM-32 \u3092\u3001\u4ee5\u524d\u306b\u4f5c\u3063\u3066\u3044\u305f PIC \u5b9f\u9a13\u30dc\u30fc\u30c9\u306e\u7a7a\u304d\u30b9\u30da\u30fc\u30b9\u306b\u8f09\u305b\u308b\u3053\u3068\u3067\u5b8c\u6210\u3068\u3057\u305f\u3002\u6a2a\u7740\u306a\u590f\u4f11\u307f\u96fb\u5b50\u5de5\u4f5c\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

Arduino IDE \u3092\u7528\u3044\u305f ESP32-based module \u306e\u958b\u767a\u74b0\u5883\u306f\u3001\u30cd\u30c3\u30c8\u4e0a\u3067\u6ca2\u5c71\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u7c21\u5358\u306b\u69cb\u7bc9\u3059\u308b\u4e8b\u304c\u51fa\u6765\u305f\u3002\u3053\u3053\u3067\u3001\u5b9f\u9a13\u30dc\u30fc\u30c9\u306e LCD \u304c I2C \u5236\u5fa1\u3067\u306f\u306a\u304f\u3066\u30014\u7dda\u30d1\u30e9\u30ec\u30eb\u5236\u5fa1\u3067\u3042\u308b\u4e8b\u306f\u3001\u3069\u3046\u304b\u3054\u5bb9\u8d66\u9858\u3044\u305f\u3044\u3002\u4f55\u6545\u304b\u30d1\u30e9\u30ec\u30eb\u5236\u5fa1\u306e LCD module \u3092\u4f7f\u3063\u3066\u3057\u307e\u3046\u306e\u306f\u3001\u60aa\u3044\u7656\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u307e\u3055\u3057\u304f\u6a5f\u80fd\u304c\u5929\u3053\u76db\u308a\u306e ESP32 \u3067\u3042\u308a\u3001\u305d\u306e\u500b\u3005\u306e\u6a5f\u80fd\u3092\u6687\u3092\u898b\u3064\u3051\u3066\u306f\u78ba\u8a8d\u3057\u305f\u3044\u3068\u601d\u3046\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n



<\/p>\n\n\n\n

The pin connection of the LCD module (SC1602BBWB-XA-GB-G) to the ESP32-WROOM-32.<\/p>\n\n\n\n

<ESP32>      <LCD><\/p>\n\n\n\n

GPIO 14  —-  RS<\/p>\n\n\n\n

GPIO 27  —-  E<\/p>\n\n\n\n

GPIO 32  —-  DB4<\/p>\n\n\n\n

GPIO 33  —-  DB5<\/p>\n\n\n\n

GPIO 25  —-  DB6<\/p>\n\n\n\n

GPIO 26  —-  DB7<\/p>\n\n\n\n

                     VDD — 5 volt<\/p>\n\n\n\n

                     R\/W — GND<\/p>\n\n\n\n



<\/p>\n\n\n\n

The LiquidCrystal lcd() is the function in the libraries for the Arduino IDE, which controls a LCD module by serial connection.<\/p>\n\n\n\n

LiquidCrystal lcd( RS, Enable, DB4, DB5, DB6, DB7 )<\/p>\n\n\n\n

LiquidCrystal lcd( 14, 27, 32, 33, 25, 26 )<\/p>\n\n\n\n



<\/p>\n\n\n\n

<< Sample sketch to control the LCD module >><\/p>\n\n\n\n

\n\n
\n
\n
\n
\"\u30a2\u30a4\u30b3\u30f3\"<\/div>\n
\n

ESP32 LCD<\/a><\/h3>\n
<\/i> 1 \u30d5\u30a1\u30a4\u30eb <\/i> 0.28 KB<\/div>\n <\/div>\n
\n \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<\/div>\n\n\n\n

(Compiled by the Arduino IDE with the Arduino Core for the ESP32)<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

<< Introduction in Japanese >> 2020\u5e74\u306e\u590f\u3001\u4f55\u304c\u65e5\u5e38\u3067\u4f55\u304c\u975e\u65e5\u5e38\u306a\u306e\u304b\uff1f With Corona \u304c\u53eb\u3070\u308c\u3066\u3001COVID-19 \u304c\u65e5\u5e38\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u4eca\u5e74\u306e\u76c6\u4f11\u307f […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[13,11,12,5],"tags":[],"class_list":["post-3035","post","type-post","status-publish","format-standard","hentry","category-esp32","category-test-board-of-pic","category-internet","category-radio-frequency"],"_links":{"self":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/3035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/comments?post=3035"}],"version-history":[{"count":1,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/3035\/revisions"}],"predecessor-version":[{"id":3405,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/3035\/revisions\/3405"}],"wp:attachment":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/media?parent=3035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/categories?post=3035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/tags?post=3035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}