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Sonoff BASIC R4 v1.0

Sonoff BASIC R4 v1.0

Device Type: relay
Electrical Standard: global
Board: esp32

Sonoff BASIC R4 is upgraded with esp32c3 and a new 'magic mode switch' feature that can be enabled with custom component by @ssieb.

Pinouts and pictures are taken from digiblur's website

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GPIO Pinout

PinFunction
GPIO4Relay
GPIO5Pin for 'Magic Switch Mode'
GPIO6Blue LED
GPIO9Button

PCB

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Basic Configuration

esphome:
  name: basic-r4
  friendly_name: basic-r4
  platformio_options:
    board_build.mcu: esp32c3
    board_build.variant: esp32c3  


esp32:
  variant: ESP32C3
  board: esp32dev
  framework:
    type: esp-idf
    sdkconfig_options:
      CONFIG_BT_BLE_50_FEATURES_SUPPORTED: y
      CONFIG_BT_BLE_42_FEATURES_SUPPORTED: y
      CONFIG_ESP_TASK_WDT_TIMEOUT_S: "10"
# Would not boot with the stock ESP32-C3 ESPHome 2023.9 default YAML config until I added/change the settings above for ESP32C3


logger:
captive_portal:
api:
ota:


wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
#  domain: !secret wifi_mydomain
  ap:


#magic switch mode
external_components:
  - source: github://ssieb/custom_components@sswitch
    components: [ magic_switch ]
    refresh: 1min


magic_switch:
  pin: 5
  on_switch:
    - light.toggle: light_1


esp32_ble_tracker:
  scan_parameters:
    active: true


bluetooth_proxy:
  active: true


binary_sensor:
  - platform: gpio
    pin:
      number: GPIO9
      mode:
        input: true
        pullup: true
      inverted: true
    id: button_1
    on_press:
      then:
        - light.toggle: light_1


output:
  - platform: gpio
    pin: GPIO4
    id: relay_1


light:
  - platform: binary
    name: Light
    id: light_1
    output: relay_1


status_led:
  pin:
    number: GPIO6
    inverted: yes
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