ESPHome Wemos D1 Mini esp8266

substitutions:
  name: "jk-bms"
  device_description: "Monitor a JK-BMS via UART-TTL"
  external_components_source: github://syssi/esphome-jk-bms@main
  tx_pin: GPIO1
  rx_pin: GPIO3

esphome:
  name: ${name}
  comment: ${device_description}
  project:
    name: "syssi.esphome-jk-bms"
    version: 2.0.0

esp8266:
  board: d1_mini

# Enable Home Assistant API
api:
  encryption:
    key: "xxx"

ota:
  password: "xxx"

wifi:
  reboot_timeout: 5min
  power_save_mode: NONE
  fast_connect: True
  networks:
  - ssid: !secret wifi_ssid
    password: !secret wifi_password
#  - ssid: !secret wifi2_ssid
#    password: !secret wifi2_password

# Enable fallback hotspot (captive portal) in case wifi connection fails
#  ap:
#    ssid: "Jk-Bms Fallback Hotspot"
#    password: "xxx"

external_components:
  - source: ${external_components_source}
    refresh: 0s

logger:
  baud_rate: 0
  level: DEBUG

uart:
  - id: uart_0
    baud_rate: 115200
    rx_buffer_size: 384
    tx_pin: ${tx_pin}
    rx_pin: ${rx_pin}

jk_modbus:
  - id: modbus0
    uart_id: uart_0
    rx_timeout: 50ms

jk_bms:
  - id: bms0
    jk_modbus_id: modbus0
    update_interval: 5s

binary_sensor:
  - platform: jk_bms
    balancing:
      name: "${name} balancing"
    balancing_switch:
      name: "${name} balancing switch"
    charging:
      name: "${name} charging"
    discharging:
      name: "${name} discharging"
    dedicated_charger_switch:
      name: "${name} dedicated charger switch"
    online_status:
      name: "${name} online status"

sensor:
  - platform: jk_bms
    min_cell_voltage:
      name: "${name} min cell voltage"
    max_cell_voltage:
      name: "${name} max cell voltage"
    min_voltage_cell:
      name: "${name} min voltage cell"
    max_voltage_cell:
      name: "${name} max voltage cell"
    delta_cell_voltage:
      id: delta_cell_v
      name: "${name} delta cell voltage"
    average_cell_voltage:
      name: "${name} average cell voltage"
    cell_voltage_1:
      id: cell_1_v
      name: "${name} cell voltage 1"
    cell_voltage_2:
      id: cell_2_v
      name: "${name} cell voltage 2"
    cell_voltage_3:
      id: cell_3_v
      name: "${name} cell voltage 3"
    cell_voltage_4:
      id: cell_4_v
      name: "${name} cell voltage 4"
    cell_voltage_5:
      id: cell_5_v
      name: "${name} cell voltage 5"
    cell_voltage_6:
      id: cell_6_v
      name: "${name} cell voltage 6"
    cell_voltage_7:
      id: cell_7_v
      name: "${name} cell voltage 7"
    cell_voltage_8:
      id: cell_8_v
      name: "${name} cell voltage 8"
    cell_voltage_9:
      name: "${name} cell voltage 9"
    cell_voltage_10:
      name: "${name} cell voltage 10"
    power_tube_temperature:
      name: "${name} power tube temperature"
    temperature_sensor_1:
      name: "${name} temperature sensor 1"
    temperature_sensor_2:
      name: "${name} temperature sensor 2"
    total_voltage:
      name: "${name} total voltage"
    current:
      name: "${name} current"
    power:
      id: battery_power
      name: "${name} power"
    capacity_remaining:
      id: remain_battery
      name: "${name} capacity remaining"
    actual_battery_capacity:
      name: "${name} actual battery capacity"
    total_battery_capacity_setting:
      name: "${name} total battery capacity setting"
    total_charging_cycle_capacity:
      name: "${name} total charging cycle capacity"
    charging_cycles:
      name: "${name} charging cycles"
    capacity_remaining_derived:
      name: "${name} capacity remaining derived"
    total_runtime:
      name: "${name} total runtime"

  - platform: homeassistant
    id: active_power
    entity_id: sensor.shellypro3em_xxx_total_active_power
    internal: true

  - platform: homeassistant
    id: batt_volt
    entity_id: sensor.hm_400_ch1_u_dc
    internal: true

  - platform: dallas
    address: 0x203c01b5569fcb28
    name: "Battery Box"

switch:
  - platform: jk_bms
    charging:
      name: "${name} charging"
    discharging:
      name: "${name} discharging"

text_sensor:
  - platform: jk_bms
    errors:
      name: "${name} errors"
    operation_mode:
      name: "${name} operation mode"
    total_runtime_formatted:
      name: "${name} total runtime formatted"

#captive_portal:

dallas:
  - pin: 14

time:
  - platform: homeassistant
    id: esptime

font:
  - file: 'slkscr.ttf'
    id: font1
    size: 8

  - file: 'arial.ttf'
    id: font2
    size: 36

  - file: 'arial.ttf'
    id: font3
    size: 16
i2c:
  sda: D2
  scl: D1
  scan: True
  id: bus_a
  frequency: 400kHz

display:
  - platform: ssd1306_i2c
    model: "SSD1306 128x64"
    reset_pin: D0
    address: 0x3C
    lambda: |-
      it.strftime(45, 0, id(font1), TextAlign::TOP_LEFT, "JK-BMS %H:%M %S", id(esptime).now());
      if (id(cell_1_v).has_state()) {
        it.printf(1, 0, id(font1), TextAlign::TOP_LEFT , "1: %.3fV", id(cell_1_v).state);
      }
      if (id(cell_2_v).has_state()) {
        it.printf(0, 8, id(font1), TextAlign::TOP_LEFT , "2: %.3fV", id(cell_2_v).state);
      }
      if (id(cell_3_v).has_state()) {
        it.printf(0, 16, id(font1), TextAlign::TOP_LEFT , "3: %.3fV", id(cell_3_v).state);
      }
      if (id(cell_4_v).has_state()) {
        it.printf(0, 24, id(font1), TextAlign::TOP_LEFT , "4: %.3fV", id(cell_4_v).state);
      }
      if (id(cell_5_v).has_state()) {
        it.printf(0, 32, id(font1), TextAlign::TOP_LEFT , "5: %.3fV", id(cell_5_v).state);
      }
      if (id(cell_6_v).has_state()) {
        it.printf(0, 40, id(font1), TextAlign::TOP_LEFT , "6: %.3fV", id(cell_6_v).state);
      }
      if (id(cell_7_v).has_state()) {
        it.printf(0, 48, id(font1), TextAlign::TOP_LEFT , "7: %.3fV", id(cell_7_v).state);
      }
      if (id(cell_8_v).has_state()) {
        it.printf(0, 56, id(font1), TextAlign::TOP_LEFT , "8: %.3fV", id(cell_8_v).state);
      }
      if (id(delta_cell_v).has_state()) {
        it.printf(48, 8, id(font1), TextAlign::TOP_LEFT , "D: %.3fV", id(delta_cell_v).state);
      }
      if (id(battery_power).has_state()) {
        it.printf(48, 31, id(font3), TextAlign::BASELINE_LEFT , "P: %.1fW", id(battery_power).state);
      }
      if (id(remain_battery).has_state()) {
        it.printf(48, 47, id(font3), TextAlign::BASELINE_LEFT , "C: %.1f%%", id(remain_battery).state);
      }
      if (id(active_power).has_state()) {
        it.printf(48, 63, id(font3), TextAlign::BASELINE_LEFT , "N: %.1fW", id(active_power).state);
      }
      if (id(batt_volt).has_state()) {
        it.printf(91, 8, id(font1), TextAlign::TOP_LEFT , "B: %.1f", id(batt_volt).state);
      }