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
937 views
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Hive Helper - Home Assistant epaper display
Building a Xiao ESP32C3 powered expandable ePaper display with expansion ports for i2c and uart.
937
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Published: Aug 08,2024
Download Gerber file 8
BOM(Bill of materials)
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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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