i2c:
  - id: i2c_mpr121
    scl: 16
    sda: 17

mpr121:
  id: mpr121_first
  address: 0x5A

binary_sensor:
  - platform: mpr121
    id: touchkey0
    name: touchkey0
    channel: 0
  - platform: mpr121
    id: bin1
    name: touchkey1
    channel: 1
  - platform: mpr121
    id: bin2
    name: touchkey2
    channel: 2
  - platform: mpr121
    id: bin3
    name: touchkey3
    channel: 3