Ali Express ESP32+DHT11 soil moist plant sensor

dht11-plant-sensor.yaml

esphome:
  name: flower01
  platform: ESP32
  board: esp32dev

wifi:
  ssid: "[WIFI SSID]"
  password: "[WIFI password]"

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Flower01 Fallback Hotspot"
    password: "on85QkPGjuDv"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

sensor:
  - platform: dht
    model: DHT11
    pin: 22
    temperature:
      name: "Flower01 Temperature"
      id: "flower01_temperature"
    humidity:
      name: "Flower01 Humidity"
      id: "flower01_humdity"
    update_interval: 20s
  - platform: adc
    pin: 32
    name: "Flower01 Moisture"
    id: "flower01_moisture"
    attenuation: 11db
    unit_of_measurement: '%'
    icon: "mdi:water-percent"
    filters:
      # 1.1v = in water (1.4v)
      # 1.94v = dry (3.2v)
      lambda: |-
        return (3.015 - x) * 100.0 / (3.015 - 1.1);

switch:
  - platform: gpio
    name: "Flower01 Led"
    id: "flower01_led"
    pin:
      number: 16
      inverted: yes

#deep_sleep:
#  run_duration: 120s
#  sleep_duration: 18min

Alternative configuration, that I should try to mix and match:

switch:
- platform: gpio
pin: GPIO4
name: "Sensor Power"
id: spower
restore_mode: ALWAYS_ON
internal: true
setup_priority: 1000
binary_sensor:
- platform: gpio
pin:
number: GPIO35
mode: INPUT_PULLUP
inverted: True
name: "Wake Button"
i2c:
sda: 25
scl: 26
scan: True
id: bus_a
setup_priority: -200
sensor:
- platform: dht
model: dht11
pin:
number: 16
mode: input
temperature:
name: "Temperature"
humidity:
name: "Humidity"
update_interval: 60s
setup_priority: -100
- platform: adc
pin: GPIO32
name: "Soil"
update_interval: 60s
attenuation: 11db
#unit_of_measurement: '%'
#filters:
# - calibrate_linear:
# # Map 0.0 (from sensor) to 0.0 (true value)
# - 1.1 -> 0.0
# - 0.0 -> 100.0
- platform: adc
pin: 33
name: "Battery"
attenuation: 6db
unit_of_measurement: 'V'
update_interval: 60s
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0
- 2.06 -> 1.89
- lambda: return x * 2.0;
- platform: adc
pin: GPIO34
name: "Salt"
update_interval: 60s
unit_of_measurement: '%'
accuracy_decimals: 4
filters:
- sliding_window_moving_average:
window_size: 15
send_every: 15
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0
- 1.1 -> 100.0
- platform: bh1750
i2c_id: bus_a
name: "BH1750 Illuminance"
address: 0x23
update_interval: 60s
setup_priority: -300