Timothy Lovett
UNITED STATES OF AMERICA • + Follow
Description
Hive Helper - Home Assistant epaper display
In addition to the PCB and its associated parts you'll need to source the following:
- Xiao ESP32C3 (https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html)
- WeAct 2.9" epaper B&W display (https://www.aliexpress.us/item/3256804458201128.html)
- Heat-set inserts (https://www.adafruit.com/product/4255)
- 4x 20mm m3 screws
Steps for getting started can be seen on the associated hackster.io project page for this project: https://www.hackster.io/timo614/hive-helper-xiao-esp32c3-epaper-home-assistant-display-6583fc
Code
Home Assistant Configuration Sensor
YAML
template:
- trigger:
- platform: time_pattern
hours: /1
action:
- service: weather.get_forecasts
target:
entity_id: weather.forecast_home
data:
type: daily
response_variable: daily
sensor:
- name: Daily Weather
unique_id: weather_forecast_daily
state: "{{ daily['weather.forecast_home'].forecast[0]['condition'] }}"
attributes:
today_condition: "{{ daily['weather.forecast_home'].forecast[0]['condition'] }}"
today_humidity: "{{ daily['weather.forecast_home'].forecast[0]['humidity'] }}"
today_temperature: "{{ daily['weather.forecast_home'].forecast[0]['temperature'] }}"
today_precipitation: "{{ daily['weather.forecast_home'].forecast[0]['precipitation'] }}"
day1_condition: "{{ daily['weather.forecast_home'].forecast[1]['condition'] }}"
day1_humidity: "{{ daily['weather.forecast_home'].forecast[1]['humidity'] }}"
day1_temperature: "{{ daily['weather.forecast_home'].forecast[1]['temperature'] }}"
day1_precipitation: "{{ daily['weather.forecast_home'].forecast[1]['precipitation'] }}"
day2_condition: "{{ daily['weather.forecast_home'].forecast[2]['condition'] }}"
day2_humidity: "{{ daily['weather.forecast_home'].forecast[2]['humidity'] }}"
day2_temperature: "{{ daily['weather.forecast_home'].forecast[2]['temperature'] }}"
day2_precipitation: "{{ daily['weather.forecast_home'].forecast[2]['precipitation'] }}"
day3_condition: "{{ daily['weather.forecast_home'].forecast[3]['condition'] }}"
day3_humidity: "{{ daily['weather.forecast_home'].forecast[3]['humidity'] }}"
day3_temperature: "{{ daily['weather.forecast_home'].forecast[3]['temperature'] }}"
day3_precipitation: "{{ daily['weather.forecast_home'].forecast[3]['precipitation'] }}"
day4_condition: "{{ daily['weather.forecast_home'].forecast[4]['condition'] }}"
day4_humidity: "{{ daily['weather.forecast_home'].forecast[4]['humidity'] }}"
day4_temperature: "{{ daily['weather.forecast_home'].forecast[4]['temperature'] }}"
day4_precipitation: "{{ daily['weather.forecast_home'].forecast[4]['precipitation'] }}"
day5_condition: "{{ daily['weather.forecast_home'].forecast[5]['condition'] }}"
day5_humidity: "{{ daily['weather.forecast_home'].forecast[5]['humidity'] }}"
day5_temperature: "{{ daily['weather.forecast_home'].forecast[5]['temperature'] }}"
day5_precipitation: "{{ daily['weather.forecast_home'].forecast[5]['precipitation'] }}"
ESPHome Configuration
YAML
esphome:
name: hive-helper
friendly_name: Hive Helper
esp32:
board: esp32-c3-devkitm-1
framework:
type: arduino
external_components:
- source: github://wifwucite/esphome-grove-multi-gas-v2
# Enable logging
logger:
i2c:
sda: 6
scl: 7
scan: true
# Enable Home Assistant API
api:
encryption:
key: !secret hive_helper_api_key
ota:
- platform: esphome
password: !secret hive_helper_ota
binary_sensor:
- platform: gpio
pin:
number: 20
inverted: true
name: "Flame Alert"
- platform: gpio
pin: 9
name: "Hive Button"
id: hive_button
on_press:
then:
- display.page.show_next: my_display
- component.update: my_display
text_sensor:
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: today_condition
id: weather_condition_now
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day1_condition
id: weather_condition_day1
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day2_condition
id: weather_condition_day2
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day3_condition
id: weather_condition_day3
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day4_condition
id: weather_condition_day4
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day5_condition
id: weather_condition_day5
sensor:
- platform: grove_multigas_v2
NO2:
name: "NO2"
id: no2_sensor
C2H5OH:
name: "EtOH"
id: etoh_sensor
VOC:
name: "VOC"
id: voc_sensor
CO:
name: "CO"
id: co_sensor
update_interval: 10s
- platform: aht10
variant: AHT20
temperature:
id: aht20_temperature
name: Hive Temperature
filters:
- offset: -2.0
humidity:
id: aht20_humidity
name: Hive Humidity
update_interval: 60s
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: today_temperature
id: weather_temperature_now
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: today_humidity
id: weather_humidity_now
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: today_precipitation
id: weather_precipitation_now
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day1_temperature
id: weather_temperature_day1
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day1_humidity
id: weather_humidity_day1
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day1_precipitation
id: weather_precipitation_day1
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day2_temperature
id: weather_temperature_day2
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day2_humidity
id: weather_humidity_day2
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day2_precipitation
id: weather_precipitation_day2
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day3_temperature
id: weather_temperature_day3
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day3_humidity
id: weather_humidity_day3
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day3_precipitation
id: weather_precipitation_day3
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day4_temperature
id: weather_temperature_day4
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day4_humidity
id: weather_humidity_day4
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day4_precipitation
id: weather_precipitation_day4
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day5_temperature
id: weather_temperature_day5
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day5_humidity
id: weather_humidity_day5
- platform: homeassistant
entity_id: sensor.daily_weather
attribute: day5_precipitation
id: weather_precipitation_day5
font:
- file: "fonts/BebasNeue-Regular.ttf"
id: font_time
size: 20
- file: "fonts/BebasNeue-Regular.ttf"
id: font_mini_metric
size: 18
- file: "fonts/BebasNeue-Regular.ttf"
id: font_metric
size: 30
# Include Material Design Icons font
# Thanks to https://community.home-assistant.io/t/display-materialdesign-icons-on-esphome-attached-to-screen/199790/16
# Thanks to https://community.home-assistant.io/t/use-esphome-with-e-ink-displays-to-blend-in-with-your-home-decor/435428 for reference
- file: 'fonts/materialdesignicons-webfont.ttf'
id: font_mdi
size: 26
glyphs: &mdi-weather-glyphs
- "\U000F0590" # mdi-weather-cloudy
- "\U000F0F2F" # mdi-weather-cloudy-alert
- "\U000F0E6E" # mdi-weather-cloudy-arrow-right
- "\U000F0591" # mdi-weather-fog
- "\U000F0592" # mdi-weather-hail
- "\U000F0F30" # mdi-weather-hazy
- "\U000F0898" # mdi-weather-hurricane
- "\U000F0593" # mdi-weather-lightning
- "\U000F067E" # mdi-weather-lightning-rainy
- "\U000F0594" # mdi-weather-night
- "\U000F0F31" # mdi-weather-night-partly-cloudy
- "\U000F0595" # mdi-weather-partly-cloudy
- "\U000F0F32" # mdi-weather-partly-lightning
- "\U000F0F33" # mdi-weather-partly-rainy
- "\U000F0F34" # mdi-weather-partly-snowy
- "\U000F0F35" # mdi-weather-partly-snowy-rainy
- "\U000F0596" # mdi-weather-pouring
- "\U000F0597" # mdi-weather-rainy
- "\U000F0598" # mdi-weather-snowy
- "\U000F0F36" # mdi-weather-snowy-heavy
- "\U000F067F" # mdi-weather-snowy-rainy
- "\U000F0599" # mdi-weather-sunny
- "\U000F0F37" # mdi-weather-sunny-alert
- "\U000F14E4" # mdi-weather-sunny-off
- "\U000F059A" # mdi-weather-sunset
- "\U000F059B" # mdi-weather-sunset-down
- "\U000F059C" # mdi-weather-sunset-up
- "\U000F0F38" # mdi-weather-tornado
- "\U000F059D" # mdi-weather-windy
- "\U000F059E" # mdi-weather-windy-variant
- file: 'fonts/materialdesignicons-webfont.ttf'
id: font_mdi_large
size: 35
glyphs: *mdi-weather-glyphs
spi:
clk_pin: 8
mosi_pin: 10
time:
- platform: homeassistant
id: homeassistant_time
display:
- platform: waveshare_epaper
model: 2.90inV2
cs_pin: 5
dc_pin: 4
busy_pin: 2
reset_pin: 3
rotation: 270
full_update_every: 1
update_interval: 60s
id: my_display
pages:
- id: page1
lambda: |-
auto time_now = id(homeassistant_time).now();
auto weekday_1 = time_now;
weekday_1.increment_day();
auto weekday_2 = weekday_1;
weekday_2.increment_day();
auto weekday_3 = weekday_2;
weekday_3.increment_day();
auto weekday_4 = weekday_3;
weekday_4.increment_day();
auto weekday_5 = weekday_4;
weekday_5.increment_day();
std::map<std::string, std::string> weather_icon_map
{
{"cloudy", "\U000F0590"},
{"cloudy-alert", "\U000F0F2F"},
{"cloudy-arrow-right", "\U000F0E6E"},
{"fog", "\U000F0591"},
{"hail", "\U000F0592"},
{"hazy", "\U000F0F30"},
{"hurricane", "\U000F0898"},
{"lightning", "\U000F0593"},
{"lightning-rainy", "\U000F067E"},
{"night", "\U000F0594"},
{"night-partly-cloudy", "\U000F0F31"},
{"partlycloudy", "\U000F0595"},
{"partly-lightning", "\U000F0F32"},
{"partly-rainy", "\U000F0F33"},
{"partly-snowy", "\U000F0F34"},
{"partly-snowy-rainy", "\U000F0F35"},
{"pouring", "\U000F0596"},
{"rainy", "\U000F0597"},
{"snowy", "\U000F0598"},
{"snowy-heavy", "\U000F0F36"},
{"snowy-rainy", "\U000F067F"},
{"sunny", "\U000F0599"},
{"sunny-alert", "\U000F0F37"},
{"sunny-off", "\U000F14E4"},
{"sunset", "\U000F059A"},
{"sunset-down", "\U000F059B"},
{"sunset-up", "\U000F059C"},
{"tornado", "\U000F0F38"},
{"windy", "\U000F059D"},
{"windy-variant", "\U000F059E"},
};
it.strftime(5, 10, id(font_time), "%a %B %d, %Y - %I:%M %p", time_now);
it.printf(240, 10, id(font_mdi_large), "%s", weather_icon_map[id(weather_condition_now).state.c_str()].c_str());
it.printf(230, 50, id(font_metric), "%.1f°", id(weather_temperature_now).state);
it.printf(230, 90, id(font_metric), "%.1f%%", id(weather_humidity_now).state);
it.strftime(8, 42, id(font_mini_metric), "%a", weekday_1);
it.strftime(48, 42, id(font_mini_metric), "%a", weekday_2);
it.strftime(88, 42, id(font_mini_metric), "%a", weekday_3);
it.strftime(128, 42, id(font_mini_metric), "%a", weekday_4);
it.strftime(168, 42, id(font_mini_metric), "%a", weekday_5);
it.printf(5, 60, id(font_mdi), "%s", weather_icon_map[id(weather_condition_day1).state.c_str()].c_str());
it.printf(45, 60, id(font_mdi), "%s", weather_icon_map[id(weather_condition_day2).state.c_str()].c_str());
it.printf(85, 60, id(font_mdi), "%s", weather_icon_map[id(weather_condition_day3).state.c_str()].c_str());
it.printf(125, 60, id(font_mdi), "%s", weather_icon_map[id(weather_condition_day4).state.c_str()].c_str());
it.printf(165, 60, id(font_mdi), "%s", weather_icon_map[id(weather_condition_day5).state.c_str()].c_str());
it.printf(6, 85, id(font_mini_metric), "%.1f°", id(weather_temperature_day1).state);
it.printf(46, 85, id(font_mini_metric), "%.1f°", id(weather_temperature_day2).state);
it.printf(86, 85, id(font_mini_metric), "%.1f°", id(weather_temperature_day3).state);
it.printf(126, 85, id(font_mini_metric), "%.1f°", id(weather_temperature_day4).state);
it.printf(166, 85, id(font_mini_metric), "%.1f°", id(weather_temperature_day5).state);
it.printf(6, 105, id(font_mini_metric), "%.1f%%", id(weather_humidity_day1).state);
it.printf(46, 105, id(font_mini_metric), "%.1f%%", id(weather_humidity_day2).state);
it.printf(86, 105, id(font_mini_metric), "%.1f%%", id(weather_humidity_day3).state);
it.printf(126, 105, id(font_mini_metric), "%.1f%%", id(weather_humidity_day4).state);
it.printf(166, 105, id(font_mini_metric), "%.1f%%", id(weather_humidity_day5).state);
- id: page2
lambda: |-
auto time_now = id(homeassistant_time).now();
it.strftime(5, 10, id(font_time), "%a %B %d, %Y - %I:%M %p", time_now);
it.printf(30, 45, id(font_mini_metric), "EtOH");
it.printf(20, 60, id(font_mini_metric), "%.1f ppm", id(etoh_sensor).state);
it.printf(30, 85, id(font_mini_metric), "NO2");
it.printf(20, 105, id(font_mini_metric), "%.1f ppm", id(no2_sensor).state);
it.printf(90, 45, id(font_mini_metric), "VOC");
it.printf(80, 60, id(font_mini_metric), "%.1f ppm", id(voc_sensor).state);
it.printf(90, 85, id(font_mini_metric), "CO");
it.printf(80, 105, id(font_mini_metric), "%.1f ppm", id(co_sensor).state);
it.printf(230, 10, id(font_metric), "ROOM");
it.printf(230, 50, id(font_metric), "%.1f°", id(aht20_temperature).state * 1.8 + 32);
it.printf(230, 90, id(font_metric), "%.1f%%", id(aht20_humidity).state);
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
fast_connect: true
use_address: hive-helper.wild
captive_portal:
Schematic and Layout
Schematic_Hive-Helper-Home-Assistant-eink-Controller_2024-08-07.pdf
CAD-Custom parts and enclosures
Spacer used on screws to keep epaper display securely in place
hive-helper-body-spacer.stl
Front face piece for Hive Helper
hive-helper-face.stl
Backing piece for Hive Helper
hive-helper-backing.stl
Standoff used between PCB and epaper display
hive-helper-body-spacer.stl
Aug 08,2024
780 views
Hive Helper - Home Assistant epaper display
Building a Xiao ESP32C3 powered expandable ePaper display with expansion ports for i2c and uart.
780
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2
Published: Aug 08,2024
Download Gerber file 6
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File Last Updated: 2024/08/08 (GMT+8)
File update record
2024-08-0806:19:30
Gerber file is updated.
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