249 lines
8.4 KiB
YAML
249 lines
8.4 KiB
YAML
#############################################
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#############################################
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# Nissan Leaf 12V Battery Monitor
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# Monitoring the status of a vehicle 12V battery with
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# an esp8266 (D1 Mini). It will obviously only
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# transmit when the vehicle is within wifi range.
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# Voltage is measured with a resistor voltage divider
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# into the analogue GPIO on the esp8266.
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# https://zorruno.com/2022/vehicle-12v-battery-monitoring/
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##############################################
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#############################################
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#############################################
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# Variable Substitutions
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#############################################
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substitutions:
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devicename: "esp-leafbat"
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friendly_name: "Nissan Leaf 12V Battery Monitor"
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description_comment: "Nissan Leaf 12V Battery Monitor (when home)"
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api_key: !secret esp-leafbat_api_key #unfortunately you can't use substitutions in secrets names
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ota_pass: !secret esp-leafbat_ota_pass #unfortunately you can't use substitutions in secrets names
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wifi_ssid: !secret wifi_ssid
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wifi_password: !secret wifi_password
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fallback_ap_password: !secret fallback_ap_password
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#Add these if we are giving it a static ip, or remove them in the Wifi section
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#A static IP will speed things up slightly in that it doesn't have to negotiate DHCP
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static_ip_address: !secret esp-leafbat_static_ip
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static_ip_gateway: !secret esp-leafbat_gateway
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static_ip_subnet: !secret esp-leafbat_subnet
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mqtt_server: !secret mqtt_server
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mqtt_username: !secret mqtt_username
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mqtt_password: !secret mqtt_password
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mqtt_topic: "esphome" #main topic for the mqtt server, call it what you like
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mqtt_commandstopic: "viewroad-commands" #main topic for commands (ie sleep), call it what you like
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#web_server_username: !secret web_server_username
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#web_server_password: !secret web_server_password
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update_time: 10s #update time for for general temp sensors etc
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#############################################
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# ESPHome
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# https://esphome.io/components/esphome.html
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#############################################
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esphome:
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name: ${devicename}
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friendly_name: ${friendly_name}
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comment: ${description_comment} #appears on the esphome page in HA
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min_version: 2024.6.0
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#############################################
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# ESP Platform and Framework
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# https://esphome.io/components/esp8266.html
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# https://esphome.io/components/esp32.html
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#############################################
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esp8266:
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board: d1_mini
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framework:
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version: latest #recommended, latest or dev
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#############################################
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# ESPHome Logging Enable
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# https://esphome.io/components/logger.html
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#############################################
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logger:
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level: INFO #INFO Level suggested, or DEBUG for testing
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#baud_rate: 0 #set to 0 for no logging via UART, needed if you are using it for other serial things (eg PZEM)
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#esp8266_store_log_strings_in_flash: false
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#tx_buffer_size: 64
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#uart:
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# id: uart_output
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# tx_pin: GPIO12
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# rx_pin: GPIO13
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# baud_rate: 9600
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#############################################
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# Enable the Home Assistant API
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# https://esphome.io/components/api.html
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#############################################
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api:
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encryption:
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key: ${api_key}
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#############################################
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# Enable Over the Air Update Capability
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# https://esphome.io/components/ota.html?highlight=ota
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#############################################
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ota:
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- platform: esphome
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password: ${ota_pass}
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#############################################
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# Safe Mode
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# Safe mode will detect boot loops
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# https://esphome.io/components/safe_mode
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#############################################
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safe_mode:
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#############################################
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# Wifi Settings
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# https://esphome.io/components/wifi.html
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#
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# Power Save mode (can reduce wifi reliability)
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# NONE (least power saving, Default for ESP8266)
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# LIGHT (Default for ESP32)
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# HIGH (most power saving)
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#############################################
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wifi:
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ssid: ${wifi_ssid}
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password: ${wifi_password}
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#power_save_mode: LIGHT #https://esphome.io/components/wifi.html#wifi-power-save-mode
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manual_ip: #optional static IP address
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static_ip: ${static_ip_address}
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gateway: ${static_ip_gateway}
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subnet: ${static_ip_subnet}
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ap: #Details for fallback hotspot (captive portal) in case wifi connection fails https://esphome.io/components/wifi.html#access-point-mode
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ssid: ${devicename} fallback AP
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password: ${fallback_ap_password}
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ap_timeout: 30min #Time until it brings up fallback AP. default is 1min
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#############################################
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# Web Portal for display and monitoring
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#############################################
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web_server:
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port: 80
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#version: 2
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#include_internal: true
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#ota: false
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#auth:
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#username: ${web_server_username}
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#password: ${web_server_password}
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#############################################
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# MQTT Monitoring
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# https://esphome.io/components/mqtt.html?highlight=mqtt
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# MUST also have api enabled if you enable MQTT
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#############################################
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mqtt:
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broker: ${mqtt_server}
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topic_prefix: ${mqtt_topic}/${devicename}
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username: ${mqtt_username}
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password: ${mqtt_password}
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discovery: False # enable entity discovery (true is default, we don't want two HA Instances)
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# Availability Topic
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birth_message:
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topic: ${mqtt_topic}/${devicename}/availability
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payload: online
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will_message:
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topic: ${mqtt_topic}/${devicename}/availability
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payload: offline
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# A way to prevent deep sleep using MQTT command
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on_message:
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- topic: ${mqtt_commandstopic}/${devicename}/deepsleep
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payload: 'OFF'
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then:
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- deep_sleep.prevent: deep_sleep_1
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- topic: ${mqtt_commandstopic}/${devicename}/deepsleep
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payload: 'ON'
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then:
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- deep_sleep.enter: deep_sleep_1
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########################################
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# Deep Sleep
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# https://esphome.io/components/deep_sleep.html
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########################################
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deep_sleep:
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run_duration: 20s
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sleep_duration: 5min
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id: deep_sleep_1
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#time:
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# - platform: homeassistant
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# id: ha_time
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# timezone: Pacific/Auckland
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#text_sensor:
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# - platform: template
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# name: "Current time"
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# id: current_time
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# lambda: return id(ha_time).now().strftime("%H%M");
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# lambda: |-
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# char str[17];
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# time_t currTime = id(ha_time).now().timestamp;
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# strftime(str, sizeof(str), "%Y-%m-%d %H:%M", localtime(&currTime));
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# return { str };
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# update_interval: ${update_time}
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#############################################
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#############################################
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# MAIN SENSORS
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#############################################
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#############################################
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sensor:
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#Quality of Wifi in dBm
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- platform: wifi_signal
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name: "WiFi Signal"
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id: wifi_strength
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update_interval: ${update_time}
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retain: true #Retain this as you'll have no value between sleeps otherwise
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#Analog sensor for voltage reading (A0)
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- platform: uptime
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name: "Uptime"
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update_interval: ${update_time}
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retain: true #Retain this as you'll have no value between sleeps otherwise
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- platform: adc
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pin: A0
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name: "Battery Voltage"
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id: battery_voltage
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#mqtt_id: battery_voltage
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update_interval: ${update_time}
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retain: true #Retain this as you'll have no value between sleeps otherwise
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# This set used a voltage divider with a 100k and a 4.7k R value
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filters:
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- multiply: 3.3 #D1 mini V divider, 3.3V -> 1V on esp8266
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- calibrate_linear: #Read values with voltmeter and bench supply
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- 0.72 -> 16.00
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- 0.68 -> 15.00
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- 0.63 -> 14.00
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- 0.59 -> 13.00
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- 0.55 -> 12.00
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- 0.51 -> 11.00
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- 0.45 -> 10.00
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- 0.40 -> 09.00
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- 0.36 -> 08.00
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- 0.32 -> 07.00
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- 0.28 -> 06.00
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- 0.23 -> 05.00
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# on_value:
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# - logger.log:
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# level: INFO
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# format: "time,%s,battery,%.1f,wifi,%.1f"
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# args: [ 'id(ha_time).now()', 'id(battery_voltage).state', 'id(wifi_strength).state' ]
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# - uart.write:
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# id: uart_output
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# data: !lambda char buf[128];
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# sprintf(buf, "%s", id(battery_voltage).state);
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# std::string s = buf;
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# return std::vector<unsigned char>( s.begin(), s.end() );
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# - logger.log:
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# level: INFO
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# format: "time,%.1f,battery,%.1f,wifi,%.1f"
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# args: [ 'id(sntp_time).now()', 'id(battery_voltage).state', 'id(wifi_strength).state' ]
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