substitutions: name: "athom-em-2" friendly_name: "Athom Energy Meter" # Allows ESP device to be automatically lined to an 'Area' in Home Assistant. Typically used for areas such as 'Lounge Room', 'Kitchen' etc room: "" device_description: "athom bl0906 energy meter (2 channels)" project_name: "Athom Technology.Athom Energy Meter(2 Channels)" project_version: "3.0.3" update_interval: 5s # Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs) dns_domain: ".local" # Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney") timezone: "" # Set the duration between the sntp service polling ntp.org servers for an update sntp_update_interval: 6h # Network time servers for your region, enter from lowest to highest priority. To use local servers update as per zones or countries at: https://www.ntppool.org/zone/@ sntp_server_1: "0.pool.ntp.org" sntp_server_2: "1.pool.ntp.org" sntp_server_3: "2.pool.ntp.org" # Enables faster network connections, with last connected SSID being connected to and no full scan for SSID being undertaken wifi_fast_connect: "false" # Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE log_level: "DEBUG" # Enable or disable the use of IPv6 networking on the device ipv6_enable: "false" #############################ESP32C3########################### bl0906_tx_pin: GPIO7 bl0906_rx_pin: GPIO8 button_pin: GPIO9 led_pin: GPIO10 clk_pin: GPIO2 mosi_pin: GPIO3 backlight_pin: GPIO18 reset_pin: GPIO4 dc_pin: GPIO5 cs_pin: GPIO6 #############################ESP32C3########################### esphome: name: "${name}" friendly_name: "${friendly_name}" comment: "${device_description}" area: "${room}" name_add_mac_suffix: true min_version: 2026.6.0 project: name: "${project_name}" version: "${project_version}" esp32: board: esp32-c3-devkitm-1 flash_size: 4MB variant: ESP32C3 framework: type: esp-idf version: recommended sdkconfig_options: # @grigi found in testing that these options resulted in better responsiveness. # BLE 4.2 is supported by ALL ESP32 boards that have bluetooth, the original and derivatives. CONFIG_BT_BLE_42_FEATURES_SUPPORTED: y # Also enable this on any derivative boards (S2, C3 etc) but not the original ESP32. CONFIG_BT_BLE_50_FEATURES_SUPPORTED: y # Extend the watchdog timeout, so the device reboots if the device appears locked up for over 10 seconds. CONFIG_ESP_TASK_WDT_TIMEOUT_S: "10" preferences: flash_write_interval: 5min api: # reboot_timeout: 0s # Only enable BLE tracking when wifi is up and api is connected # Gives single-core ESP32-C3 devices time to manage wifi and authenticate with api on_client_connected: - esp32_ble_tracker.start_scan: continuous: true # Disable BLE tracking when there are no api connections live on_client_disconnected: if: condition: not: api.connected: then: - esp32_ble_tracker.stop_scan: ota: - platform: esphome id: ota_esphome # Enables OTA firmware flashing from a URL (used by the update component below) - platform: http_request id: ota_http_request # Required by the ota http_request platform and the update component. # verify_ssl: false skips TLS cert validation to reduce heap/RAM pressure during # the download; the manifest's MD5 still verifies firmware integrity before flashing. http_request: id: http_request_component verify_ssl: false update: # Managed updates via HTTP request: periodically checks the published manifest # and exposes a "Firmware Update" entity, pointing at this device's GitHub Pages # manifest. Pages URLs avoid the redirect/buffer issues of Release download URLs. - platform: http_request id: update_http_request name: "Firmware Update" source: https://athom-tech.github.io/esp32-configs/firmware/athom-energy-monitor-x2.manifest.json # update_interval defaults to 6h (how often it checks, not installs) logger: baud_rate: 115200 level: ${log_level} hardware_uart: UART0 mdns: disabled: false web_server: port: 80 network: enable_ipv6: ${ipv6_enable} wifi: ap: {} fast_connect: "${wifi_fast_connect}" domain: "${dns_domain}" captive_portal: improv_serial: esp32_improv: authorizer: none esp32_ble_tracker: scan_parameters: # Don't auto start BLE scanning, we control it in the `api` block's automation. continuous: false active: true # send scan-request packets to gather more info, like device name for some devices. interval: 320ms # default 320ms - how long to spend on each advert channel window: 300ms # default 30ms - how long to actually "listen" in each interval. Reduce this if device is unstable. # If the device cannot keep up or becomes unstable, reduce the "window" setting. This may be # required if your device is controlling other sensors or doing PWM for lights etc. bluetooth_proxy: active: true dashboard_import: package_import_url: github://athom-tech/esp32-configs/athom-energy-monitor-x2.yaml globals: - id: id_Energy_sum_persist type: float restore_value: yes initial_value: '0.0' - id: id_Energy_sum_lastvalue type: float restore_value: no initial_value: '0.0' - id: id_Energy_1_persist type: float restore_value: yes initial_value: '0.0' - id: id_Energy_1_lastvalue type: float restore_value: no initial_value: '0.0' - id: id_Energy_2_persist type: float restore_value: yes initial_value: '0.0' - id: id_Energy_2_lastvalue type: float restore_value: no initial_value: '0.0' uart: tx_pin: "$bl0906_tx_pin" rx_pin: "$bl0906_rx_pin" baud_rate: 19200 id: uart_bl0906 light: - platform: status_led name: "Status LED" id: blue_led disabled_by_default: true pin: $led_pin binary_sensor: - platform: status name: "Status" entity_category: diagnostic - platform: gpio pin: number: "$button_pin" mode: INPUT_PULLUP inverted: true name: "Power Button" disabled_by_default: true on_multi_click: - timing: - ON for at least 4s then: - button.press: Reset sensor: - platform: uptime name: "Uptime Sensor" id: uptime_sensor type: timestamp entity_category: "diagnostic" - platform: wifi_signal name: "WiFi Signal dB" id: wifi_signal_db update_interval: 60s entity_category: "diagnostic" - platform: copy source_id: wifi_signal_db name: "WiFi Signal Percent" filters: - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0); unit_of_measurement: "Signal %" entity_category: "diagnostic" device_class: "" - platform: bl0906 id: id_bl0906 update_interval: "${update_interval}" frequency: name: 'Frequency' id: 'Frequency' temperature: name: 'Temperature' id: 'Temperature' voltage: name: 'Voltage' id: 'Voltage' channel_1: current: name: 'Current_1' id: 'Current_1' power: name: 'Power_1' id: 'Power_1' energy: id: 'Energy_1' name: 'Energy_1_Internal' internal: true channel_2: current: name: 'Current_2' id: 'Current_2' power: name: 'Power_2' id: 'Power_2' energy: id: 'Energy_2' name: 'Energy_2_Internal' internal: true total_energy: name: 'Total_Energy' id: 'Energy_sum' internal: true total_power: name: 'Total_Power' id: 'Total_Power' - platform: copy name: 'Total_Energy' id: Energy_sum_persist source_id: Energy_sum state_class: total_increasing filters: - lambda: |- if(id(id_Energy_sum_lastvalue) == 0.0 ) { id(id_Energy_sum_lastvalue) = id(Energy_sum).state; } if(x < id(id_Energy_sum_persist)) { float delta = x - id(id_Energy_sum_lastvalue); id(id_Energy_sum_persist) += delta; id(id_Energy_sum_lastvalue) = x; } else { id(id_Energy_sum_persist) = x; } return id(id_Energy_sum_persist); - platform: copy name: 'Energy_1' id: Energy_1_persist source_id: Energy_1 state_class: total_increasing filters: - lambda: |- if(id(id_Energy_1_lastvalue) == 0.0 ) { id(id_Energy_1_lastvalue) = id(Energy_1).state; } if(x < id(id_Energy_1_persist)) { float delta = x - id(id_Energy_1_lastvalue); id(id_Energy_1_persist) += delta; id(id_Energy_1_lastvalue) = x; } else { id(id_Energy_1_persist) = x; } return id(id_Energy_1_persist); - platform: copy name: 'Energy_2' id: Energy_2_persist source_id: Energy_2 state_class: total_increasing filters: - lambda: |- if(id(id_Energy_2_lastvalue) == 0.0 ) { id(id_Energy_2_lastvalue) = id(Energy_2).state; } if(x < id(id_Energy_2_persist)) { float delta = x - id(id_Energy_2_lastvalue); id(id_Energy_2_persist) += delta; id(id_Energy_2_lastvalue) = x; } else { id(id_Energy_2_persist) = x; } return id(id_Energy_2_persist); button: - platform: restart name: "Restart" entity_category: config - platform: factory_reset name: "Factory Reset" id: Reset entity_category: config - platform: safe_mode name: "Safe Mode" internal: false entity_category: config - platform: template name: Reset Energy entity_category: config on_press: then: - globals.set: id: id_Energy_1_persist value: '0.0' - globals.set: id: id_Energy_2_persist value: '0.0' - globals.set: id: id_Energy_sum_persist value: '0.0' - bl0906.reset_energy: id_bl0906 text_sensor: - platform: wifi_info ip_address: name: "IP Address" id: ip_address entity_category: diagnostic ssid: name: "Connected SSID" id: ssid entity_category: diagnostic mac_address: name: "Mac Address" id: mac_address entity_category: diagnostic - platform: template name: "Last Restart" id: device_last_restart icon: mdi:clock entity_category: diagnostic device_class: timestamp time: - platform: sntp id: sntp_time # Define the timezone of the device timezone: "${timezone}" # Change sync interval from default 5min to 6 hours (or as set in substitutions) update_interval: ${sntp_update_interval} # Set specific sntp servers to use servers: - "${sntp_server_1}" - "${sntp_server_2}" - "${sntp_server_3}" # Publish the time the device was last restarted on_time_sync: then: # Update last restart time, but only once. - if: condition: lambda: 'return id(device_last_restart).state == "";' then: - text_sensor.template.publish: id: device_last_restart state: !lambda 'return id(sntp_time).now().strftime("%a %d %b %Y - %I:%M:%S %p");'