{"id":84,"date":"2021-06-14T16:20:23","date_gmt":"2021-06-14T14:20:23","guid":{"rendered":"https:\/\/dross.net\/alexander\/blog\/?p=84"},"modified":"2021-06-15T08:20:06","modified_gmt":"2021-06-15T06:20:06","slug":"physical-shutdown-switch-for-stratux-flarm","status":"publish","type":"post","link":"https:\/\/dross.net\/alexander\/blog\/physical-shutdown-switch-for-stratux-flarm\/","title":{"rendered":"Add physical safe shutdown switch to Stratux FLARM"},"content":{"rendered":"[vc_row type=”in_container” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][vc_column_text]I have seen the idea to support a physical switch to trigger the shutdown command on your Stratux FLARM, powered by a Raspberry PI 3 or 4, rather than just cutting the power which will most likely result in issues with the micro SD card.<\/p>\n

To achieve this, I have modifed the offical Stratux Firmware to support out of the box a a physical switch<\/a>[\/vc_column_text][vc_row_inner column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” text_align=”left”][vc_column_inner column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/2″ tablet_width_inherit=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][image_with_animation image_url=”85″ animation=”Fade In” hover_animation=”none” alignment=”” border_radius=”none” box_shadow=”none” image_loading=”lazy-load” max_width=”100%” max_width_mobile=”default”][\/vc_column_inner][vc_column_inner column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1\/2″ tablet_width_inherit=”default” column_border_width=”none” column_border_style=”solid” bg_image_animation=”none”][image_with_animation image_url=”86″ animation=”Fade In” hover_animation=”none” alignment=”” border_radius=”none” box_shadow=”none” image_loading=”lazy-load” max_width=”100%” max_width_mobile=”default”][\/vc_column_inner][\/vc_row_inner][vc_column_text]physical switch must be connected at GPIO pin 39\u00a0GPIO pin 39 (Ground) and 40 (GPIO 21 \u2013 PCM_DOUT)<\/a><\/p>\n

\n

Source:\u00a0https:\/\/www.quartoknows.com\/page\/raspberry-pi-shutdown-button<\/a><\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

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