{"id":499,"date":"2021-03-01T16:20:37","date_gmt":"2021-03-01T15:20:37","guid":{"rendered":"https:\/\/www.espthings.io\/?p=499"},"modified":"2021-11-17T12:21:12","modified_gmt":"2021-11-17T11:21:12","slug":"the-new-sonoff-dual-r3-is-here","status":"publish","type":"post","link":"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/03\/01\/the-new-sonoff-dual-r3-is-here\/","title":{"rendered":"The new Sonoff DualR3 is here!"},"content":{"rendered":"

We got a nice little surprise in the mail today. The all new Sonoff DualR3<\/a>, a Dual Relay Wi-Fi Smart Switch with Power Metering. With this ESP ‘thing’\u00a0 you can operate (2) lights, appliances and motorized facilities like blinds and shutters. According to Sonoff it’s the first smart switch with TUV certification and a high-level of quality and reliability.<\/p>\n

\"\"<\/p>\n

On the box it say’s it’s a DIY DUALR3, 2-gang WIFI smart switch. When opening up we found there actually is a ESP32 inside. That explains the ‘Bluetooth pairing’ option, which is mentioned on the Sonoff website. We found there are no headers on the board for easy external programming of the ESP, so let’s just hope the ‘DIY’ here means this board has the DIY architecture which allows Over The Air (OTA) flashing of the boards firmware.\u00a0 We tested this, but after putting the Dual R3 in AP mode, it get’s 192.168.1.1 and not the familiar 10.10.7.1 IP-Address. Visiting 192.168.1.1 from the browser just outputs some useless JSON data string \ud83d\ude41<\/p>\n

Bluetooth pairing using the EWlink software works like a charm, no complaints there but surely the device would become much more interesting to us Home Automation nerds if we could flash Tasmota<\/a> or Esphome<\/a> firmware. \ud83d\ude1b<\/p>\n

So we hacked our way into this ‘thing’ and soldered some wires to the tiny TX-RX, GND and 3V3 solder pads on the board. After that we hooked up a UART interface<\/a> and pressed the Sonoff’s button while booting… et voila!<\/p>\n

\"SolderWe put a default esp32 esphome config in it with just wifi, captive portal, api, OTA and logger modules active and booted the ‘thing’:<\/p>\n

INFO Starting log output from sonoff_dualr3.local using esphome API\r\nINFO Connecting to sonoff_dualr3.local:6053 (192.168.207.226)\r\nINFO Successfully connected to sonoff_dualr3.local\r\n[17:58:45][I][app:105]: ESPHome version 1.16.2 compiled on Mar  4 2021, 17:40:36\r\n[17:58:45][C][wifi:443]: WiFi:\r\n[17:58:45][C][wifi:303]:   SSID: [redacted]\r\n[17:58:45][C][wifi:304]:   IP Address: 192.168.207.226\r\n[17:58:45][C][wifi:306]:   BSSID: [redacted]\r\n[17:58:45][C][wifi:307]:   Hostname: 'sonoff_dualr3'\r\n[17:58:45][C][wifi:311]:   Signal strength: -68 dB \u2582\u2584\u2586\u2588\r\n[17:58:45][C][wifi:315]:   Channel: 1\r\n[17:58:45][C][wifi:316]:   Subnet: 255.255.255.0\r\n[17:58:45][C][wifi:317]:   Gateway: 192.168.207.1\r\n[17:58:45][C][wifi:318]:   DNS1: 192.168.207.101\r\n[17:58:45][C][wifi:319]:   DNS2: 0.0.0.0\r\n[17:58:46][C][logger:185]: Logger:\r\n[17:58:46][C][logger:186]:   Level: DEBUG\r\n[17:58:46][C][logger:187]:   Log Baud Rate: 115200\r\n[17:58:46][C][logger:188]:   Hardware UART: UART0\r\n[17:58:46][C][captive_portal:169]: Captive Portal:\r\n[17:58:46][C][web_server:132]: Web Server:\r\n[17:58:46][C][web_server:133]:   Address: sonoff_dualr3.local:80\r\n[17:58:46][C][ota:029]: Over-The-Air Updates:\r\n[17:58:46][C][ota:030]:   Address: sonoff_dualr3.local:3232\r\n[17:58:46][C][ota:032]:   Using Password.\r\n[17:58:46][C][api:095]: API Server:\r\n[17:58:46][C][api:096]:   Address: sonoff_dualr3.local:6053\r\n[17:58:46][C][wifi_signal.sensor:009]: WiFi Signal 'WiFi Signal Sonoff DualR3'\r\n[17:58:46][C][wifi_signal.sensor:009]:   Unit of Measurement: 'dB'\r\n[17:58:46][C][wifi_signal.sensor:009]:   Accuracy Decimals: 0\r\n[17:58:46][C][wifi_signal.sensor:009]:   Icon: 'mdi:wifi'<\/pre>\n
After some tracing and trying we found the GPIO’s for the LED. Button, Relays and Switches.<\/p>\n
esphome yaml:<\/p>\n
substitutions:\r\n  devicename: sonoff-dualr3\r\n  long_devicename: Sonoff DualR3\r\n\r\nesphome:\r\n  name: $devicename\r\n  platform: ESP32 \r\n  board: esp32dev\r\n\r\nwifi:\r\n  ssid: !secret esphome_wifi_ssid\r\n  password: !secret esphome_wifi_password\r\n  power_save_mode: light\r\n  ap:\r\n    ssid: $devicename\r\n    password: !secret esphome_ap_password\r\n\r\ncaptive_portal:\r\n  \r\napi:\r\n  password: !secret esphome_api_password\r\n\r\nota:\r\n  password: !secret esphome_ota_password\r\n\r\nweb_server:\r\n  port: 80\r\n\r\nlogger:\r\n  baud_rate: 0\r\n\r\n# remove # below to enable ble tracking\r\n#esp32_ble_tracker:\r\n\r\nuart:\r\n  tx_pin: GPIO25\r\n  rx_pin: GPIO26\r\n  baud_rate: 38400\r\n  parity: EVEN\r\n  stop_bits: 1\r\n  \r\nsensor:\r\n  - platform: wifi_signal\r\n    name: \"$long_devicename WiFi Signal\"\r\n    update_interval: 60s\r\n  - platform: cse7761\r\n    update_interval: 5s\r\n    voltage:\r\n      name: \"$long_devicename Voltage\"\r\n    current_1:\r\n      name: \"$long_devicename Current 1\"\r\n    current_2:\r\n      name: \"$long_devicename Current 2\"\r\n    active_power_1:\r\n      name: \"$long_devicename Power 1\"\r\n    active_power_2:\r\n      name: \"$long_devicename Power 2\"\r\n\r\noutput:\r\n  - platform: gpio\r\n    pin: GPIO27\r\n    id: relay1\r\n  - platform: gpio\r\n    pin: GPIO14\r\n    id: relay2\r\n\r\nswitch:\r\n  - platform: output\r\n    name: \"$long_devicename - relay 1\"\r\n    output: relay1\r\n    id: sw1\r\n  - platform: output\r\n    name: \"$long_devicename - relay 2\"\r\n    output: relay2\r\n    id: sw2\r\n\r\nstatus_led:\r\n  pin:\r\n    number: GPIO13\r\n    inverted: yes\r\n\r\nbinary_sensor:\r\n  - platform: gpio\r\n    pin:\r\n      number: GPIO0\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename button\"\r\n    on_press:\r\n      - logger.log: \"$long_devicename button\"\r\n      - switch.toggle: sw1\r\n  - platform: gpio\r\n    pin:\r\n      number: GPIO32\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename switch 1\"\r\n    on_press:\r\n      - logger.log: \"$long_devicename switch 1\"\r\n      - switch.toggle: sw1\r\n  - platform: gpio\r\n    pin:\r\n      number: GPIO33\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename switch 2\"\r\n    on_press:\r\n      - logger.log: \"$long_devicename switch 2\"\r\n      - switch.toggle: sw2<\/pre>\n
 <\/p>\n
Ble tracking also works:<\/p>\n
[21:08:41][D][esp32_ble_tracker:544]: Found device 54:D2:72:XX:XX:XX RSSI=-89\r\n[21:08:41][D][esp32_ble_tracker:565]:   Address Type: PUBLIC\r\n[21:08:41][D][esp32_ble_tracker:567]:   Name: 'Nuki_XXXXXXXX' [redacted]<\/pre>\n
\u00a0Some more pics:\"\"<\/p>\n
\"\" \"\"\"\"\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"
We got a nice little surprise in the mail today. The all new , a Dual Relay Wi-Fi Smart Switch with Power Metering. With this ESP ‘thing’\u00a0 you can operate (2) lights, appliances and motorized facilities like blinds and shutters. According to Sonoff it’s the...<\/p>\n","protected":false},"author":1,"featured_media":528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[38],"tags":[40,41,42,39],"class_list":["post-499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-dual-r3","tag-dualr3","tag-esphome","tag-sonoff"],"yoast_head":"\nThe new Sonoff DualR3 is here! - ingeniousmakers.com<\/title>\n<meta name=\"description\" content=\"The all new Sonoff Dual R3, a Dual Relay Wi-Fi Smart Switch with Power Metering running esphome!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/03\/01\/the-new-sonoff-dual-r3-is-here\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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