{"id":825,"date":"2023-06-09T14:31:35","date_gmt":"2023-06-09T14:31:35","guid":{"rendered":"https:\/\/deelmanl.wordpress.com\/?page_id=825"},"modified":"2023-06-09T14:31:35","modified_gmt":"2023-06-09T14:31:35","slug":"hope-rf-lora-transmitter","status":"publish","type":"page","link":"https:\/\/www.nerorockets.nl\/index.php\/hope-rf-lora-transmitter\/","title":{"rendered":"Hope RF Lora transmitter"},"content":{"rendered":"\n<p>As there are more modern options to reliably transmit data to a ground station, I decided to switch from Talky to a HopeRF RFM98PW Lora module.  This module is max 1 watt and can be easily implemented using the Arduino Radiohead library.<\/p>\n\n\n\n<p>In addition, the trusted Atmega 328P has been replaced by the faster SAMD21G MCU with more memory and an embedded USB port\/<\/p>\n\n\n\n<p>Barometric pressure is measured using a MS5611 unit<\/p>\n\n\n\n<p>Finally, the quectel L96 GPS unit has been replaced by a Ublox neo-9. This unit has better dynamic properties and allows for a maximum altitude of 80kms. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deelmanl.wordpress.com\/wp-content\/uploads\/2023\/06\/20230521_170830.jpg\"><img decoding=\"async\" src=\"https:\/\/deelmanl.wordpress.com\/wp-content\/uploads\/2023\/06\/20230521_170830.jpg?w=573\" alt=\"\" class=\"wp-image-834\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>As there are more modern options to reliably transmit data to a ground station, I decided to switch from Talky to a HopeRF RFM98PW Lora module. This module is max 1 watt and can be easily implemented using the Arduino Radiohead library. In addition, the trusted Atmega 328P has been replaced by the faster SAMD21G [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-825","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/pages\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/comments?post=825"}],"version-history":[{"count":0,"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/pages\/825\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nerorockets.nl\/index.php\/wp-json\/wp\/v2\/media?parent=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}