{"id":1994,"date":"2012-11-13T21:31:21","date_gmt":"2012-11-14T03:31:21","guid":{"rendered":"http:\/\/studionebula.com\/blog\/?p=1994"},"modified":"2012-11-13T21:31:21","modified_gmt":"2012-11-14T03:31:21","slug":"fun-with-leds","status":"publish","type":"post","link":"https:\/\/studionebula.com\/blog\/2012\/11\/13\/fun-with-leds","title":{"rendered":"Fun with LEDs"},"content":{"rendered":"<p>Recently it came to my attention that DealExtreme is selling some 8&#215;32 LED arrays for cheap <a href=\"http:\/\/dx.com\/p\/jy-mcu-3208-lattice-clock-ht1632c-driver-with-mcu-support-secondary-development-104306?item=2\">here<\/a>. Since I have a serious weakness for LED arrays I ordered four of them. My ultimate goal is to mount them together to make a 32&#215;32 array, all driven by a single microcontroller. For starters, though, I programmed the onboard ATmega8 MCU on one of them to make some interesting patterns:<\/p>\n<p><iframe loading=\"lazy\" width=\"640\" height=\"360\" src=\"http:\/\/www.youtube-nocookie.com\/embed\/oX5kU5GVQls?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>The idea came from the multiple-pendulum demonstration that has popped up in a few YouTube videos such as <a href=\"http:\/\/www.youtube.com\/watch?v=yVkdfJ9PkRQ\">this one<\/a>. It&#8217;s a nice example of complex patterns arising from a relatively simple system, and hence relatively simple software.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently it came to my attention that DealExtreme is selling some 8&#215;32 LED arrays for cheap here. Since I have a serious weakness for LED arrays I ordered four of them. My ultimate goal is to mount them together to make a 32&#215;32 array, all driven by a single microcontroller. For starters, though, I programmed&hellip; <a class=\"more-link\" href=\"https:\/\/studionebula.com\/blog\/2012\/11\/13\/fun-with-leds\">Continue reading <span class=\"screen-reader-text\">Fun with LEDs<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1994","post","type-post","status-publish","format-standard","hentry","category-uncategorized","entry"],"_links":{"self":[{"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/posts\/1994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/comments?post=1994"}],"version-history":[{"count":3,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/posts\/1994\/revisions"}],"predecessor-version":[{"id":1997,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/posts\/1994\/revisions\/1997"}],"wp:attachment":[{"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/media?parent=1994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/categories?post=1994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/studionebula.com\/blog\/wp-json\/wp\/v2\/tags?post=1994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}