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I just connected the hereflow to can1/2 and set UAVCAN_ENABLE=2 according to the manual. \nDmesg is showing: \nWARN [uavcan] CentralizedS&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":920,"like_count":0,"has_summary":false,"last_poster_username":"Alvin","category_id":7,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":2411,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":60,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Hereflow was not use to estimate Altitude","id":7229,"title":"Hereflow was not use to estimate Altitude","slug":"hereflow-was-not-use-to-estimate-altitude","posts_count":12,"reply_count":6,"highest_post_number":12,"image_url":null,"created_at":"2021-09-06T14:38:42.874Z","last_posted_at":"2021-09-09T02:48:48.451Z","bumped":true,"bumped_at":"2021-09-09T02:48:48.451Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"I set up the parameters of my Hereflow as \nOptical Flow Sensors (landingpage) — Copter documentation (ardupilot.org) \nand now the data from hereflow seems to have been used because if I Obstacle avoidance function, the F&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":810,"like_count":0,"has_summary":false,"last_poster_username":"JC-hub","category_id":7,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":2469,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":60,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"HereFlow + Maxbotix I2C Sonar Issue","id":1550,"title":"HereFlow + Maxbotix I2C Sonar Issue","slug":"hereflow-maxbotix-i2c-sonar-issue","posts_count":3,"reply_count":1,"highest_post_number":3,"image_url":null,"created_at":"2019-08-12T03:04:40.995Z","last_posted_at":"2021-06-27T13:05:29.777Z","bumped":true,"bumped_at":"2021-06-27T13:05:29.777Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi Is it possible to use both the HereFlow Lidar and the I2C sonar at the same time? \nI can currently get one or the other reading but if i enable the Lidar for the HereFlow it stops detecting the I2C sonar. \nAlso the ad&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":1071,"like_count":0,"has_summary":false,"last_poster_username":"RAZOR15000","category_id":7,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":683,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":1820,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":1922,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Sonar range (meters)","id":2894,"title":"Sonar range (meters)","slug":"sonar-range-meters","posts_count":4,"reply_count":0,"highest_post_number":4,"image_url":null,"created_at":"2020-02-25T16:53:49.730Z","last_posted_at":"2021-06-26T14:09:02.020Z","bumped":true,"bumped_at":"2021-06-26T14:09:02.020Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Set up my Here Flow today and added the sonar range tab to the quick menu in Mission Planner. 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