i2c: id: i2c_bus scl: ${scl_pin} sda: ${sda_pin} scan: true frequency: 600kHz wk2204_i2c: - id: wk2204_i2c_id i2c_id: i2c_bus address: 0x70 uart: - id: wk2204_id_0 channel: 0 baud_rate: 115200 stop_bits: 1 parity: none - id: wk2204_id_1 channel: 1 baud_rate: 19200 - id: wk2204_id_2 channel: 2 baud_rate: 115200 stop_bits: 1 parity: none - id: wk2204_id_3 channel: 3 baud_rate: 19200