ESPhome config for SHA2017 badge (https://wiki.sha2017.org/w/Projects:Badge)

shabadge.yaml

esphome:
  name: sha2017-badge
  friendly_name: SHA2017 Badge

esp32:
  board: esp32-pro

# Enable logging
logger:

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

ota:
  - platform: esphome
    password: "xxxxxxxx"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Sha2017 Badge Fallback Hotspot"
    password: "hunter2!"

captive_portal:

i2c:
  sda: 26
  scl: 27
  scan: True

mpr121:
  id: mpr121_component
  address: 0x5A
  touch_debounce: 1
  release_debounce: 1
  touch_threshold: 12
  release_threshold: 6

binary_sensor:
  - platform: mpr121
    id: touch_buttonA
    channel: 0
    name: "Touch Button A"
  - platform: mpr121
    id: touch_buttonB
    channel: 1
    name: "Touch Button B"
  - platform: mpr121
    id: touch_buttonStart
    channel: 2
    name: "Touch Button Start"
  - platform: mpr121
    id: touch_buttonSelect
    channel: 3
    name: "Touch Button Select"
  - platform: mpr121
    id: touch_buttonDown
    channel: 4
    name: "Touch Button Down"
  - platform: mpr121
    id: touch_buttonRight
    channel: 5
    name: "Touch Button Right"
  - platform: mpr121
    id: touch_buttonUp
    channel: 6
    name: "Touch Button Up"
  - platform: mpr121
    id: touch_buttonLeft
    channel: 7
    name: "Touch Button Left"
  # - platform: mpr121
  #   id: charging_status
  #   channel: 9
  #   name: "Charging Status"
  - platform: gpio
    name: "Flash Button"
    pin: 0
    filters:
      - invert:

sensor:
  - platform: adc
    pin: 34
    attenuation: 6db
    filters:
      - multiply: 2.91
    name: "USB Voltage"
    update_interval: 20s
    accuracy_decimals: 1
  - platform: adc
    pin: 35
    attenuation: 6db
    #attenuation: 2.5db
    filters:
      - multiply: 2.91
      #- multiply: 1.95
    name: "Battery Voltage"
    update_interval: 20s
    accuracy_decimals: 1

spi:
  clk_pin: 18
  mosi_pin: 5

text_sensor:
  - platform: version
    id: ver
    hide_timestamp: true

display:
  - platform: waveshare_epaper
    cs_pin: 19
    dc_pin: 21
    busy_pin: 22
    reset_pin: 23
    model: 2.90in-dke
    full_update_every: 30
    update_interval: 60s
    lambda: |-
      it.printf(0, 0, id(defaultfont), "Version: %s", id(ver).state.c_str());
    rotation: 270

font:
  - file: "gfonts://Roboto"
    id: defaultfont
    size: 24

output:
  - id: led_and_ext_power
    platform: gpio
    pin:
      mpr121: mpr121_component
      number: 10
      mode: OUTPUT
      inverted: true
  - id: buzzer_power
    platform: gpio
    pin:
      mpr121: mpr121_component
      number: 8
      mode: OUTPUT

button:
  - platform: output
    name: "Buzzer"
    output: buzzer_power
    duration: 4000ms
    icon: mdi:vibrate

light:
  - platform: neopixelbus
    type: GRBW
    variant: sk6812
    pin: 32
    num_leds: 6
    name: "Badge LEDs"