{"id":505,"date":"2017-01-29T18:31:34","date_gmt":"2017-01-29T18:31:34","guid":{"rendered":"http:\/\/www.nerorockets.nl\/?p=505"},"modified":"2017-01-29T18:36:36","modified_gmt":"2017-01-29T18:36:36","slug":"433mhz-low-power-radio-beacon","status":"publish","type":"post","link":"https:\/\/www.nerorockets.nl\/2017\/01\/29\/433mhz-low-power-radio-beacon\/","title":{"rendered":"433mHz low power radio beacon"},"content":{"rendered":"<p>The Chiron 3 rocket has two emergency beacons that operate for several days. One in the nose cone and one in a 3d printed shroud on the outside of the coupler section.<\/p>\n<p>An Atmel \u00a0328p microprocessor awakes from hibernation every few seconds and generates a tone for 100ms . This low duty-cycle allowes for the extended duration.<\/p>\n<p><a href=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04435-e1485714785343.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-518\" src=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04435-e1485714785343.jpg?w=676\" alt=\"dsc04435\" width=\"676\" height=\"507\" \/><\/a><\/p>\n<p>STX882 and 328p glued together.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04436-e1485714807332.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-519\" src=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04436-e1485714807332.jpg?w=676\" alt=\"dsc04436\" width=\"676\" height=\"507\" \/><\/a><\/p>\n<p>Transmitter module, lipo battery and external connectors in a 3d printed ABS shroud.<\/p>\n<p><a href=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04437-e1485714819291.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-520\" src=\"http:\/\/www.nerorockets.nl\/wp-content\/uploads\/2017\/01\/dsc04437-e1485714819291.jpg?w=676\" alt=\"dsc04437\" width=\"676\" height=\"902\" \/><\/a><\/p>\n<p>3d printer shroud on the outside of the coupler section.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Chiron 3 rocket has two emergency beacons that operate for several days. One in the nose cone and one in a 3d printed shroud on the outside of the coupler section. An Atmel \u00a0328p microprocessor awakes from hibernation every few seconds and generates a tone for 100ms . This low duty-cycle allowes for the &hellip; <a href=\"https:\/\/www.nerorockets.nl\/2017\/01\/29\/433mhz-low-power-radio-beacon\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">433mHz low power radio beacon<\/span><\/a><\/p>\n","protected":false},"author":33612631,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-505","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/posts\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/users\/33612631"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/comments?post=505"}],"version-history":[{"count":0,"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/posts\/505\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/categories?post=505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nerorockets.nl\/wp-json\/wp\/v2\/tags?post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}