{"title":"I2C RTC LCD","provider_url":"https://hatena.blog","height":"190","author_url":"https://blog.hatena.ne.jp/k-kuro/","published":"2009-07-02 00:00:00","blog_title":"kuro\u306e\u899a\u3048\u66f8\u304d","url":"https://k-kuro.hatenadiary.jp/entry/20090702/1246460400","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fk-kuro.hatenadiary.jp%2Fentry%2F20090702%2F1246460400\" title=\"I2C RTC LCD - kuro\u306e\u899a\u3048\u66f8\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://k-kuro.hatenadiary.jp/","image_url":null,"categories":["Make"],"version":"1.0","provider_name":"Hatena Blog","type":"rich","description":"// +---- ----+ // |o1 8o|=> 5V // |o2 7o| // |o3 6o|=> SDA => Arduino A4 // GND <=|o4 5o|=> SCL => Arduino A5 // +---------+ // RTC8564NB#include <LiquidCrystal.h> #include <Wire.h>int RTC = 0xA2 >> 1; byte rbuf[7];// LiquidCrystal display with: // rs on pin 12 // rw on pin 11 // enable on pin 10 //\u2026","author_name":"k-kuro","width":"100%"}