{"id":499,"date":"2026-02-25T04:27:29","date_gmt":"2026-02-25T04:27:29","guid":{"rendered":"https:\/\/iotnoob.com\/wordpress\/?p=499"},"modified":"2026-02-25T04:39:46","modified_gmt":"2026-02-25T04:39:46","slug":"%e0%b8%95%e0%b9%88%e0%b8%ad-i2c-%e0%b8%a1%e0%b8%b2%e0%b8%81%e0%b8%81%e0%b8%a7%e0%b9%88%e0%b8%b2-1-%e0%b8%ad%e0%b8%b8%e0%b8%9b%e0%b8%81%e0%b8%a3%e0%b8%93%e0%b9%8c","status":"publish","type":"post","link":"https:\/\/iotnoob.com\/wordpress\/2026\/02\/25\/%e0%b8%95%e0%b9%88%e0%b8%ad-i2c-%e0%b8%a1%e0%b8%b2%e0%b8%81%e0%b8%81%e0%b8%a7%e0%b9%88%e0%b8%b2-1-%e0%b8%ad%e0%b8%b8%e0%b8%9b%e0%b8%81%e0%b8%a3%e0%b8%93%e0%b9%8c\/","title":{"rendered":"\u0e15\u0e48\u0e2d I2C \u0e21\u0e32\u0e01\u0e01\u0e27\u0e48\u0e32 1 \u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c"},"content":{"rendered":"\n<p>\u0e1b\u0e23\u0e01\u0e15\u0e34 \u0e40\u0e23\u0e32\u0e15\u0e48\u0e2d\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e25\u0e07\u0e44\u0e1b\u0e1a\u0e19 I2C bus \u0e15\u0e23\u0e07\u0e46\u0e44\u0e14\u0e49\u0e40\u0e25\u0e22<\/p>\n\n\n\n<p>\u0e22\u0e31\u0e07\u0e44\u0e21\u0e48\u0e41\u0e19\u0e48\u0e43\u0e08\u0e27\u0e48\u0e32 \u0e21\u0e35\u0e02\u0e49\u0e2d\u0e08\u0e33\u0e01\u0e31\u0e14\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e33\u0e19\u0e27\u0e19\u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48? <\/p>\n\n\n\n<p>\u0e41\u0e15\u0e48\u0e15\u0e48\u0e2d 2 &#8211; 3 \u0e15\u0e31\u0e27\u0e44\u0e21\u0e48\u0e21\u0e35\u0e1b\u0e31\u0e0d\u0e2b\u0e32 \u0e17\u0e33\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e1a\u0e32\u0e22\u0e46<\/p>\n\n\n\n<p>\u0e08\u0e32\u0e01 Diagram, \u0e02\u0e32 SDA \u0e01\u0e31\u0e1a SCL \u0e04\u0e37\u0e2d A4, A5<\/p>\n\n\n\n<p>\u0e08\u0e23\u0e34\u0e07\u0e46\u0e21\u0e35\u0e2d\u0e35\u0e01\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07 \u0e41\u0e15\u0e48\u0e21\u0e31\u0e19\u0e01\u0e47\u0e04\u0e37\u0e2d\u0e02\u0e32\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e19 \u0e40\u0e1e\u0e23\u0e32\u0e30 UNO \u0e21\u0e35 Hardware I2C \u0e0a\u0e38\u0e14\u0e40\u0e14\u0e35\u0e22\u0e27<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"733\" src=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-5-1024x733.png\" alt=\"\" class=\"wp-image-500\" srcset=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-5-1024x733.png 1024w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-5-300x215.png 300w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-5-768x549.png 768w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-5.png 1089w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u0e15\u0e48\u0e2d SDA \u0e02\u0e2d\u0e07\u0e17\u0e38\u0e01\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e40\u0e02\u0e49\u0e32\u0e14\u0e49\u0e27\u0e22\u0e01\u0e31\u0e19<\/p>\n\n\n\n<p>\u0e15\u0e48\u0e2d SCL \u0e02\u0e2d\u0e07\u0e17\u0e38\u0e01\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e40\u0e02\u0e49\u0e32\u0e14\u0e49\u0e27\u0e22\u0e01\u0e31\u0e19<\/p>\n\n\n\n<p>\u0e15\u0e48\u0e2d\u0e40\u0e02\u0e49\u0e32 \u0e1a\u0e2d\u0e23\u0e4c\u0e14<\/p>\n\n\n\n<p>\u0e08\u0e1a<\/p>\n\n\n\n<p>\u0e2a\u0e48\u0e27\u0e19 Vcc \/ GND \u0e01\u0e47\u0e15\u0e48\u0e2d\u0e17\u0e38\u0e01\u0e15\u0e31\u0e27\u0e15\u0e32\u0e21\u0e1b\u0e23\u0e01\u0e15\u0e34<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"373\" src=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-8-1024x373.png\" alt=\"\" class=\"wp-image-506\" srcset=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-8-1024x373.png 1024w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-8-300x109.png 300w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-8-768x279.png 768w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-8.png 1069w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"457\" src=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-7.png\" alt=\"\" class=\"wp-image-504\" srcset=\"https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-7.png 1011w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-7-300x136.png 300w, https:\/\/iotnoob.com\/wordpress\/wp-content\/uploads\/2026\/02\/image-7-768x347.png 768w\" sizes=\"auto, (max-width: 1011px) 100vw, 1011px\" \/><\/figure>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;Wire.h>\n#include &lt;LiquidCrystal_PCF8574.h>\n\/\/ \u0e40\u0e1e\u0e34\u0e48\u0e21 RTC library\n#include &lt;DS3232RTC.h>      \/\/ https:\/\/github.com\/JChristensen\/DS3232RTC<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">LiquidCrystal_PCF8574 lcd(0x3F);  \/\/ set the LCD address to 0x27 for a 16 chars and 2 line display\nDS3232RTC myRTC;\n\nWire.begin();\nWire.beginTransmission(0x3F);\nerror = Wire.endTransmission();\n  \nif (error == 0) {\n  lcd.begin(16, 2);  \/\/ initialize the lcd    \n  lcd.setBacklight(255);\n}\n\nsetSyncProvider([](){return myRTC.get();}); \/\/ the function to get the time from the RTC\nif(timeStatus() != timeSet)\n  \/\/Serial.println(\"Unable to sync with the RTC\");\nelse\n  \/\/Serial.println(\"RTC has set the system time\");<\/pre>\n\n\n\n<p>I2C LCD \u0e15\u0e49\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e38 Address \u0e40\u0e27\u0e25\u0e32\u0e08\u0e30\u0e15\u0e34\u0e14\u0e15\u0e48\u0e2d\u0e2b\u0e23\u0e37\u0e2d\u0e40\u0e23\u0e34\u0e48\u0e21\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19<br>\u0e41\u0e15\u0e48 RTC &#8211; \u0e16\u0e49\u0e32\u0e43\u0e0a\u0e49\u0e1a\u0e32\u0e07 library \u0e01\u0e47\u0e44\u0e21\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e2a\u0e48 address \u0e40\u0e1e\u0e23\u0e32\u0e30\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e21\u0e31\u0e19\u0e08\u0e30 fix \u0e21\u0e32\u0e40\u0e25\u0e22 &#8211; \u0e19\u0e48\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19 0x68<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e1b\u0e23\u0e01\u0e15\u0e34 \u0e40\u0e23\u0e32\u0e15\u0e48\u0e2d\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e25\u0e07\u0e44\u0e1b\u0e1a\u0e19 I2C bus \u0e15\u0e23\u0e07\u0e46\u0e44\u0e14\u0e49\u0e40\u0e25\u0e22 \u0e22\u0e31\u0e07\u0e44\u0e21\u0e48\u0e41\u0e19\u0e48\u0e43\u0e08\u0e27\u0e48\u0e32 \u0e21\u0e35\u0e02\u0e49\u0e2d\u0e08\u0e33\u0e01\u0e31\u0e14\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e33\u0e19\u0e27\u0e19\u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48? \u0e41\u0e15\u0e48\u0e15\u0e48\u0e2d 2 &#8211; 3 \u0e15\u0e31\u0e27\u0e44\u0e21\u0e48\u0e21\u0e35\u0e1b\u0e31\u0e0d\u0e2b\u0e32 \u0e17\u0e33\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e1a\u0e32\u0e22\u0e46 \u0e08\u0e32\u0e01 Diagram,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-499","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/posts\/499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/comments?post=499"}],"version-history":[{"count":3,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/posts\/499\/revisions"}],"predecessor-version":[{"id":507,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/posts\/499\/revisions\/507"}],"wp:attachment":[{"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/media?parent=499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/categories?post=499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iotnoob.com\/wordpress\/wp-json\/wp\/v2\/tags?post=499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}