Features:
- Temperature, Relative humidity, Barometric pressure && Air Quality.
- Low power optimization && battery monitor.
- Data refresh threshold to save energy.
- E-Paper Display.
- Home Assistant update over WiFi to template sensors.
Hardware:
- Adafruit Huzzah ESP8266 ( 3.3volt logic ).
- Adafruit PowerBoost 500 Charger.
- LiPo battery 1800mAh ( EEMB Cell ).
- Adafruit BME688 ( I2C address: Default 0x77, 0x76 with closed bridge ).
- Adafruit LC709203F LiPoly/LiIon Fuel Gauge. ( I2C address fixed: 0x0B ). Need the same power as the logic level of your microcontroller ( 3.3v ).
- Adafruit On-Off Power Button ADA1683 ( Power Switch ).
- Aceinnolab Universal E-Paper driver board for 24-pin SPI.
- GoodDisplay GDEW0097T50 E-Paper Mini 0.97inc 184x88 24pin SPI. Min.FULL upd.: 180sec(3min.), Min.PARTIAL upd.: 5sec. https://www.good-display.com/product/434.html https://www.good-display.com/news/80.html#precaution
- Acrilic Case.
GPIO Pin map: #0, #2, #4, #5, #12, #13, #14, #15, #16.
- HUZZAH GPIO #16 Pin -> HUZZAH GPIO Rst. Pin. ( For the DeepSleep awake ).
- HUZZAH TX Pin -> UART Cable WHITE.
- HUZZAH RX Pin -> UART Cable GREEN.
- HUZZAH V+ Pin -> UART Cable RED.
- HUZZAH GND Pin -> UART Cable BLACK.
- HUZZAH GPIO #13 Pin -> E-Paper driver SPI SDI.
- HUZZAH GPIO #14 Pin -> E-Paper driver SPI CLK.
- HUZZAH GPIO #2 Pin -> E-Paper driver SPI CS.
- HUZZAH GPIO #15 Pin -> E-Paper driver SPI DC.
- HUZZAH GPIO #0 Pin -> E-Paper driver SPI RST.
- HUZZAH GPIO #12 Pin -> E-Paper driver SPI BUSY.
- HUZZAH GPIO #4 Pin (i2c SDA) -> BME688 SDI Pin -> LC709203F SDA Pin (JST-SH Blue).
- HUZZAH GPIO #5 Pin (i2c SCL) -> BME688 SCK Pin -> LC709203F SCL Pin (JST-SH Yellow).
Power management:
- Charging time: 6 hours and 15 minutes. (Yellow LED (near pins): Charging; Green LED (near screw): Charge complete).
- Autonomy: 11 days 4 hours and 40 minutes. ( SLEEP_TIME = 5m ).
Home assistant configurations:
---- configuration.yaml ----
input_text:
envirosensecube_data:
name: "EnviroSenseCube Data"
initial: '{}'
max: 255
template:
- sensor:
- name: "EnviroSenseCube Temperature"
unique_id: envirosensecube_temperature
state: >
{{ (states('input_text.envirosensecube_data') | from_json).temperature | float(0) }}
unit_of_measurement: "°C"
device_class: temperature
state_class: measurement
- name: "EnviroSenseCube Humidity"
unique_id: envirosensecube_humidity
state: >
{{ (states('input_text.envirosensecube_data') | from_json).humidity | float(0) }}
unit_of_measurement: "%"
device_class: humidity
state_class: measurement
- name: "EnviroSenseCube Pressure"
unique_id: envirosensecube_pressure
state: >
{{ (states('input_text.envirosensecube_data') | from_json).pressure | float(0) }}
unit_of_measurement: "hPa"
device_class: pressure
state_class: measurement
- name: "EnviroSenseCube Gas Resistance"
unique_id: envirosensecube_gas_resistance
state: >
{{ (states('input_text.envirosensecube_data') | from_json).gas_resistance | float(0) }}
unit_of_measurement: "Ω"
state_class: measurement
- name: "EnviroSenseCube Air Quality"
unique_id: envirosensecube_air_quality
state: >
{{ (states('input_text.envirosensecube_data') | from_json).air_quality | float(0) }}
state_class: measurement
- name: "EnviroSenseCube Battery"
unique_id: envirosensecube_battery
state: >
{{ (states('input_text.envirosensecube_data') | from_json).battery | float(0) }}
unit_of_measurement: "%"
device_class: battery
state_class: measurement
---- automations.yaml ----
- id: '[LONG RANDOM NUMBER]'
alias: Aggiornamento dati EnviroSenseCube
trigger:
- platform: webhook
webhook_id: envirocube_update_[HOME_ASSISTANT_KEY]
action:
- service: input_text.set_value
target:
entity_id: input_text.envirosensecube_data
data:
value: >
{
"temperature": {{ trigger.json.temperature | default(0) }},
"humidity": {{ trigger.json.humidity | default(0) }},
"pressure": {{ trigger.json.pressure | default(0) }},
"gas_resistance": {{ trigger.json.gas_resistance | default(0) }},
"air_quality": {{ trigger.json.air_quality | default(0) }},
"battery": {{ trigger.json.battery | default(0) }}
}
---- Lovelace Card ----
type: entities
title: EnviroSenseCube
entities:
- entity: sensor.envirosensecube_temperature
name: Temperatura
- entity: sensor.envirosensecube_humidity
name: Umidità
- entity: sensor.envirosensecube_pressure
name: Pressione
- entity: sensor.envirosensecube_gas_resistance
name: Resistenza Gas
- entity: sensor.envirosensecube_air_quality
name: Qualità Aria
- entity: sensor.envirosensecube_battery
name: Batteria
