{"id":25211,"date":"2015-08-29T15:27:48","date_gmt":"2015-08-29T12:27:48","guid":{"rendered":"https:\/\/geeksvalley.com\/product\/arduino-uno-r3-atmega328\/"},"modified":"2026-01-26T14:06:19","modified_gmt":"2026-01-26T11:06:19","slug":"arduino-uno-r3-atmega328","status":"publish","type":"product","link":"https:\/\/geeksvalley.com\/en\/product\/arduino-uno-r3-atmega328\/","title":{"rendered":"Arduino Uno R3"},"content":{"rendered":"<p style=\"text-align: left\">The\u00a0<a href=\"https:\/\/geeksvalley.com\/tutorial\/arduino-lesson-1\/\">Arduino UNO<\/a>\u00a0is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.<\/p>\n<p><strong>Features:\u00a0<\/strong><\/p>\n<table style=\"width: 64.0803%\">\n<tbody>\n<tr>\n<td style=\"width: 41.3793%\">Microcontroller<\/td>\n<td style=\"width: 57.6803%\">ATmega328P<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Operating Voltage<\/td>\n<td style=\"width: 57.6803%\">5V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Input Voltage (recommended)<\/td>\n<td style=\"width: 57.6803%\">7-12V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Input Voltage (limit)<\/td>\n<td style=\"width: 57.6803%\">6-20V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Digital I\/O Pins<\/td>\n<td style=\"width: 57.6803%\">14 (of which 6 provide PWM output)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">PWM Digital I\/O Pins<\/td>\n<td style=\"width: 57.6803%\">6<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Analog Input Pins<\/td>\n<td style=\"width: 57.6803%\">6<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">DC Current per I\/O Pin<\/td>\n<td style=\"width: 57.6803%\">20 mA<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">DC Current for 3.3V Pin<\/td>\n<td style=\"width: 57.6803%\">50 mA<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Flash Memory<\/td>\n<td style=\"width: 57.6803%\">32 KB (ATmega328P) of which 0.5 KB used by bootloader<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">SRAM<\/td>\n<td style=\"width: 57.6803%\">2 KB (ATmega328P)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">EEPROM<\/td>\n<td style=\"width: 57.6803%\">1 KB (ATmega328P)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Clock Speed<\/td>\n<td style=\"width: 57.6803%\">16 MHz<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">LED_BUILTIN<\/td>\n<td style=\"width: 57.6803%\">13<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Length<\/td>\n<td style=\"width: 57.6803%\">68.6 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Width<\/td>\n<td style=\"width: 57.6803%\">53.4 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 41.3793%\">Weight<\/td>\n<td style=\"width: 57.6803%\">25 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: left\">The\u00a0Arduino UNO\u00a0is the best board to get started with electronics and coding.<\/p>\n","protected":false},"featured_media":37871,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"product_brand":[],"product_cat":[16202],"product_tag":[],"class_list":{"0":"post-25211","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-arduino","7":"wri_manual_relationships-man_rel-242-10598","8":"wri_manual_relationships-man_rel-242-10652","9":"wri_manual_relationships-man_rel-242-10698","10":"wri_manual_relationships-man_rel-242-1091","11":"wri_manual_relationships-man_rel-242-1095","12":"wri_manual_relationships-man_rel-242-1116","13":"wri_manual_relationships-man_rel-242-11760","14":"wri_manual_relationships-man_rel-242-11775","15":"wri_manual_relationships-man_rel-242-11784","16":"wri_manual_relationships-man_rel-242-11799","17":"wri_manual_relationships-man_rel-242-11807","18":"wri_manual_relationships-man_rel-242-11819","19":"wri_manual_relationships-man_rel-242-11853","20":"wri_manual_relationships-man_rel-242-11866","21":"wri_manual_relationships-man_rel-242-11895","22":"wri_manual_relationships-man_rel-242-12106","23":"wri_manual_relationships-man_rel-242-12115","24":"wri_manual_relationships-man_rel-242-12182","25":"wri_manual_relationships-man_rel-242-12206","26":"wri_manual_relationships-man_rel-242-12225","27":"wri_manual_relationships-man_rel-242-12242","28":"wri_manual_relationships-man_rel-242-12271","29":"wri_manual_relationships-man_rel-242-13867","30":"wri_manual_relationships-man_rel-242-15113","31":"wri_manual_relationships-man_rel-242-15274","32":"wri_manual_relationships-man_rel-242-17823","33":"wri_manual_relationships-man_rel-242-270","34":"wri_manual_relationships-man_rel-242-27543","35":"wri_manual_relationships-man_rel-242-27708","36":"wri_manual_relationships-man_rel-242-28204","37":"wri_manual_relationships-man_rel-242-29550","38":"wri_manual_relationships-man_rel-242-300","39":"wri_manual_relationships-man_rel-242-30214","40":"wri_manual_relationships-man_rel-242-30299","41":"wri_manual_relationships-man_rel-242-30796","42":"wri_manual_relationships-man_rel-242-31160","43":"wri_manual_relationships-man_rel-242-31317","44":"wri_manual_relationships-man_rel-242-31931","45":"wri_manual_relationships-man_rel-242-32010","46":"wri_manual_relationships-man_rel-242-32172","47":"wri_manual_relationships-man_rel-242-32181","48":"wri_manual_relationships-man_rel-242-32204","49":"wri_manual_relationships-man_rel-242-3222","50":"wri_manual_relationships-man_rel-242-32230","51":"wri_manual_relationships-man_rel-242-32259","52":"wri_manual_relationships-man_rel-242-32285","53":"wri_manual_relationships-man_rel-242-32302","54":"wri_manual_relationships-man_rel-242-32324","55":"wri_manual_relationships-man_rel-242-32341","56":"wri_manual_relationships-man_rel-242-32420","57":"wri_manual_relationships-man_rel-242-329","58":"wri_manual_relationships-man_rel-242-33144","59":"wri_manual_relationships-man_rel-242-33251","60":"wri_manual_relationships-man_rel-242-33326","61":"wri_manual_relationships-man_rel-242-33354","62":"wri_manual_relationships-man_rel-242-33368","63":"wri_manual_relationships-man_rel-242-33379","64":"wri_manual_relationships-man_rel-242-33386","65":"wri_manual_relationships-man_rel-242-33394","66":"wri_manual_relationships-man_rel-242-33403","67":"wri_manual_relationships-man_rel-242-33411","68":"wri_manual_relationships-man_rel-242-33459","69":"wri_manual_relationships-man_rel-242-33498","70":"wri_manual_relationships-man_rel-242-33528","71":"wri_manual_relationships-man_rel-242-33539","72":"wri_manual_relationships-man_rel-242-33606","73":"wri_manual_relationships-man_rel-242-33623","74":"wri_manual_relationships-man_rel-242-33640","75":"wri_manual_relationships-man_rel-242-33663","76":"wri_manual_relationships-man_rel-242-33695","77":"wri_manual_relationships-man_rel-242-33705","78":"wri_manual_relationships-man_rel-242-33738","79":"wri_manual_relationships-man_rel-242-33751","80":"wri_manual_relationships-man_rel-242-33755","81":"wri_manual_relationships-man_rel-242-33766","82":"wri_manual_relationships-man_rel-242-33776","83":"wri_manual_relationships-man_rel-242-33802","84":"wri_manual_relationships-man_rel-242-33845","85":"wri_manual_relationships-man_rel-242-34198","86":"wri_manual_relationships-man_rel-242-34290","87":"wri_manual_relationships-man_rel-242-34310","88":"wri_manual_relationships-man_rel-242-34445","89":"wri_manual_relationships-man_rel-242-34533","90":"wri_manual_relationships-man_rel-242-34537","91":"wri_manual_relationships-man_rel-242-34547","92":"wri_manual_relationships-man_rel-242-34554","93":"wri_manual_relationships-man_rel-242-34567","94":"wri_manual_relationships-man_rel-242-34670","95":"wri_manual_relationships-man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