{"id":1153,"date":"2021-09-23T17:19:50","date_gmt":"2021-09-23T15:19:50","guid":{"rendered":"https:\/\/www.espthings.io\/?p=1153"},"modified":"2021-09-23T17:24:59","modified_gmt":"2021-09-23T15:24:59","slug":"esp32r4-smart-home-controller","status":"publish","type":"post","link":"https:\/\/www.ingeniousmakers.com\/index.php\/2021\/09\/23\/esp32r4-smart-home-controller\/","title":{"rendered":"ESP32R4 Smart Home Controller"},"content":{"rendered":"<p>Sometimes it&#8217;s just not worth it making stuff yourselves, but it&#8217;s just better to &#8216;buy and modify&#8217;.<\/p>\n<p>On Aliexpress we found this <a class=\"thirstylink\" target=\"_blank\" title=\"ALI - ESP32R4 Smart Home Controller\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/recommends\/ali-esp32r4-smart-home-controller\/\" data-shortcode=\"true\">ESP32R4 Smart Home Controller<\/a> from a company called RobotDyn that comes with Tasmota preinstalled. It&#8217;s got 4 relays (10 Amp), 4 buttons, 7 status LED&#8217;s (1 per relay, 1 DC power LED, 1 AC power LED and 1 ESP32 status LED), a 7-36v DC input and a 90-240v AC input. The &#8216;icing on the cake&#8217; is a 433Mhz receiver\/transmitter.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1157\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x.png\" alt=\"\" width=\"698\" height=\"596\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x.png?v=1632408390 1000w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x-300x256.png?v=1632408390 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x-768x656.png?v=1632408390 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x-720x615.png?v=1632408390 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x-520x444.png?v=1632408390 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_case_topside2_1000x-320x273.png?v=1632408390 320w\" sizes=\"auto, (max-width: 698px) 100vw, 698px\" \/><\/p>\n<p>You can buy this for $12 to $15 with or without an enclosure, so this is really a no-brainer.<\/p>\n<p>As we prefer to run esphome firmware, we reflashed the device with a basic OTA esphome config. You can simply do this but connecting a <a class=\"thirstylink\" target=\"_blank\" title=\"ALI - CP2102 5PIN USB TO TTL for arduino\" href=\"https:\/\/www.ingeniousmakers.com\/index.php\/recommends\/ali-cp2102-5pin-usb-to-ttl-for-arduino\/\" data-shortcode=\"true\">USB TTL<\/a>(get the red one, CP2102 5PIN) and connect the 3.3v, GND, TX and RX. Please temporarily remove the jumper and DO NOT connect a power supply and USB power at the same time!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1158\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600.jpg\" alt=\"\" width=\"707\" height=\"353\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600.jpg?v=1632408611 1202w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-300x150.jpg?v=1632408611 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-1024x511.jpg?v=1632408611 1024w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-768x383.jpg?v=1632408611 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-720x359.jpg?v=1632408611 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-520x260.jpg?v=1632408611 520w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/ESP32R4_MCU_1200x600-320x160.jpg?v=1632408611 320w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><\/p>\n<p>After that we started playing around with the GPIO&#8217;s \ud83d\ude09<\/p>\n<p>This is the config we came up with. Everything works great and RAW 433Mhz data is showing up in the logs. Finally a device that just works without a fuzz!<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\">substitutions:\r\n  devicename: esp32-shc-01\r\n  long_devicename: ESP32 Smart Home Controller\r\n\r\nesphome:\r\n  name: $devicename\r\n  comment: $long_devicename\r\n  platform: ESP32\r\n  board: esp32doit-devkit-v1\r\n  \r\nwifi:\r\n  ssid: !secret esphome_wifi_ssid\r\n  password: !secret esphome_wifi_password\r\n  ap:\r\n    ssid: \"$devicename Fallback Hotspot\"\r\n    password: !secret esphome_ap_password\r\n    ap_timeout: 15s\r\n\r\ncaptive_portal:\r\n\r\nweb_server:\r\n  port: 80\r\n\r\nlogger:\r\n  level: DEBUG\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\nsensor:\r\n  - platform: wifi_signal\r\n    name: \"$devicename WiFi Signal\"\r\n    update_interval: 60s\r\n    \r\nremote_receiver:\r\n  pin: GPIO27\r\n  dump: rc_switch\r\n  # Settings to optimize recognition of RF devices\r\n  tolerance: 50%\r\n  filter: 250us\r\n  idle: 4ms\r\n  buffer_size: 2kb\r\n    \r\nswitch:\r\n  - platform: gpio\r\n    name: \"$long_devicename Relay 1\"\r\n    pin: GPIO25\r\n    id: relay1\r\n  - platform: gpio\r\n    name: \"$long_devicename Relay 2\"\r\n    pin: GPIO26\r\n    id: relay2\r\n  - platform: gpio\r\n    name: \"$long_devicename Relay 3\"\r\n    pin: GPIO33\r\n    id: relay3\r\n  - platform: gpio\r\n    name: \"$long_devicename Relay 4\"\r\n    pin: GPIO32\r\n    id: relay4\r\n    \r\nbinary_sensor:\r\n  - platform: gpio\r\n    pin: \r\n      number: GPIO34\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename Button 1\"\r\n    on_press:\r\n      then:\r\n        - switch.toggle: relay1\r\n  - platform: gpio\r\n    pin: \r\n      number: GPIO35\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename Button 2\"\r\n    on_press:\r\n      then:\r\n        - switch.toggle: relay2\r\n  - platform: gpio\r\n    pin: \r\n      number: GPIO36\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename Button 3\"\r\n    on_press:\r\n      then:\r\n        - switch.toggle: relay3\r\n  - platform: gpio\r\n    pin: \r\n      number: GPIO39\r\n      mode: INPUT_PULLUP\r\n      inverted: True\r\n    name: \"$long_devicename Button 4\"\r\n    on_press:\r\n      then:\r\n        - switch.toggle: relay4<\/pre>\n<p>Please be so kind to let us know if this helped you in any way, below in the comments!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1159\" src=\"https:\/\/www.espthings.io\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr.jpg\" alt=\"\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr.jpg?v=1632408688 1000w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-300x300.jpg?v=1632408688 300w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-150x150.jpg?v=1632408688 150w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-768x768.jpg?v=1632408688 768w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-80x80.jpg?v=1632408688 80w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-320x320.jpg?v=1632408688 320w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-720x720.jpg?v=1632408688 720w, https:\/\/www.ingeniousmakers.com\/wp-content\/uploads\/2021\/09\/esp32r4_banner_topside_final_sqr-520x520.jpg?v=1632408688 520w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes it&#8217;s just not worth it making stuff yourselves, but it&#8217;s just better to &#8216;buy and modify&#8217;. On Aliexpress we found this from a company called RobotDyn that comes with Tasmota preinstalled. It&#8217;s got 4 relays (10 Amp), 4 buttons, 7 status LED&#8217;s (1 per&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":1165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[38],"tags":[],"class_list":["post-1153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ESP32R4 Smart Home Controller - ingeniousmakers.com<\/title>\n<meta name=\"description\" content=\"ESP32 based Smart Home Controller from a company called RobotDyn that comes with Tasmota preinstalled.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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