Please add Shelly D/W Tilt Sensor 
First close, second opend

Type: SHDW-1
CoAP description: {"blk":[{"I":1,"D":"sensors"}],"sen":[{"I":66,"D":"lux","T":"L","R":"0/100000","L":1},{"I":55,"D":"State","T":"S","R":"0/1","L":1},{"I":77,"D":"battery","T":"B","R":"0/100","L":1},{"I":88,"D":"tilt","T":"S","R":"0/180","L":1},{"I":99,"D":"vibration","T":"S","R":"0/1","L":1}]}
CoAP status: {"G":[[0,66,17],[0,55,1],[0,77,95],[0,88,91],[0,99,0]]}
HTTP Settings:: {"device":{"type":"SHDW-1","mac":"98F4ABF3BD8B","hostname":"shellydw-98F4ABF3BD8B","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellydw-98F4ABF3BD8B","key":""},"wifi_sta":{"enabled":true,"ssid":"abloy","ipv4_method":"static","ip":"192.168.2.46","gw":"192.168.2.1","mask":"255.255.255.0","dns":"192.168.2.19"},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt":{"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellydw-98F4ABF3BD8B","reconnect_timeout_max":60,"reconnect_timeout_min":2,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot":{"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin"},"pin_code":"#*+$-#","name":"","fw":"20200408-085810/v1.6.5@b075f0bf","discoverable":false,"build_info":{"build_id":"20200408-085810/v1.6.5@b075f0bf","build_timestamp":"2020-04-08T08:58:10Z","build_version":"1.0"},"cloud":{"enabled":false,"connected":false},"timezone":"Europe/Berlin","lat":500,"lng":500,"tzautodetect":true,"tz_utc_offset":0,"tz_dst":false,"tz_dst_auto":true,"time":"","unixtime":0,"dark_threshold":100,"twilight_threshold":300,"sleep_mode":{"period":6,"unit":"h"},"led_status_disable":false,"dark_url":null,"twilight_url":null,"close_url":null,"vibration_url":null,"tilt_enabled":true,"tilt_calibrated":true,"vibration_enabled":false,"reverse_open_close":false}
HTTP Status:: {"wifi_sta":{"connected":true,"ssid":"abloy","ip":"192.168.2.46","rssi":-80},"cloud":{"enabled":false,"connected":false},"mqtt":{"connected":false},"time":"","unixtime":0,"serial":1,"has_update":false,"mac":"98F4ABF3BD8B","is_valid":true,"lux":{"value":17,"illumination":"dark","is_valid":true},"accel":{"tilt":0,"vibration":-1},"sensor":{"state":"open","is_valid":true},"bat":{"value":95,"voltage":5.79},"act_reasons":["poweron"],"update":{"status":"idle","has_update":false,"new_version":"20200408-085810/v1.6.5@b075f0bf","old_version":"20200408-085810/v1.6.5@b075f0bf"},"ram_total":50240,"ram_free":39308,"fs_size":233681,"fs_free":155369,"uptime":24}

pi@homepi:~ $ homebridge-shelly describe 192.168.2.46
Type: SHDW-1
CoAP description: {"blk":[{"I":1,"D":"sensors"}],"sen":[{"I":66,"D":"lux","T":"L","R":"0/100000","L":1},{"I":55,"D":"State","T":"S","R":"0/1","L":1},{"I":77,"D":"battery","T":"B","R":"0/100","L":1},{"I":88,"D":"tilt","T":"S","R":"0/180","L":1},{"I":99,"D":"vibration","T":"S","R":"0/1","L":1}]}
CoAP status: {"G":[[0,66,5],[0,55,1],[0,77,95],[0,88,3],[0,99,0]]}
HTTP Settings:: {"device":{"type":"SHDW-1","mac":"98F4ABF3BD8B","hostname":"shellydw-98F4ABF3BD8B","sleep_mode":true},"wifi_ap":{"enabled":false,"ssid":"shellydw-98F4ABF3BD8B","key":""},"wifi_sta":{"enabled":true,"ssid":"abloy","ipv4_method":"static","ip":"192.168.2.46","gw":"192.168.2.1","mask":"255.255.255.0","dns":"192.168.2.19"},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt":{"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellydw-98F4ABF3BD8B","reconnect_timeout_max":60,"reconnect_timeout_min":2,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot":{"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin"},"pin_code":"#*+$-#","name":"","fw":"20200408-085810/v1.6.5@b075f0bf","discoverable":false,"build_info":{"build_id":"20200408-085810/v1.6.5@b075f0bf","build_timestamp":"2020-04-08T08:58:10Z","build_version":"1.0"},"cloud":{"enabled":false,"connected":false},"timezone":"Europe/Berlin","lat":500,"lng":500,"tzautodetect":true,"tz_utc_offset":0,"tz_dst":false,"tz_dst_auto":true,"time":"","unixtime":0,"dark_threshold":100,"twilight_threshold":300,"sleep_mode":{"period":6,"unit":"h"},"led_status_disable":false,"dark_url":null,"twilight_url":null,"close_url":null,"vibration_url":null,"tilt_enabled":true,"tilt_calibrated":true,"vibration_enabled":false,"reverse_open_close":false}
HTTP Status:: {"wifi_sta":{"connected":true,"ssid":"abloy","ip":"192.168.2.46","rssi":-83},"cloud":{"enabled":false,"connected":false},"mqtt":{"connected":false},"time":"","unixtime":0,"serial":1,"has_update":false,"mac":"98F4ABF3BD8B","is_valid":true,"lux":{"value":5,"illumination":"dark","is_valid":true},"accel":{"tilt":3,"vibration":-1},"sensor":{"state":"open","is_valid":true},"bat":{"value":95,"voltage":5.78},"act_reasons":["poweron"],"update":{"status":"unknown","has_update":false,"new_version":"","old_version":"20200408-085810/v1.6.5@b075f0bf"},"ram_total":50240,"ram_free":40604,"fs_size":233681,"fs_free":155369,"uptime":13}
pi@homepi:~ $