Will running extra sensors on the same board affect Espectre's performance?

[gasment]

I added an illumination and a temperature+humidity sensor on the same board，can't see obvious impact to espectre,
i tested it with s3， is it the same to the c3/c6 which has weaker performance ?

i2c:
  sda: GPIO2
  scl: GPIO3
  scan: true         
  id: bus_a
sensor:
  - platform: bh1750
    name: "Illumination"
    unit_of_measurement: "lx"
    address: 0x23
    update_interval: 2s
    i2c_id: bus_a
    filters:
      - lambda: |-
          return round(x);
      - filter_out: nan
      - delta: 2
  - platform: sht3xd
    temperature:
      name: "Temperature"
      unit_of_measurement: "°C"
      filters:
        - delta: 0.1
        - lambda: |-
            return round(x * 10.0) / 10.0;   
    humidity:
      name: "Humidity"
      unit_of_measurement: "%"
      filters:
        - delta: 0.1
        - lambda: |-
            return round(x * 10.0) / 10.0;   
    address: 0x44
    i2c_id: bus_a
    update_interval: 10s

logs:logs.txt

[francescopace]

Great to hear it works well on S3! Yes, it should work fine on C3/C6 too. I2C sensors run in the main loop and don't interfere with CSI processing (which runs on a separate task).

For C3/C6 (single-core), I'd suggest slightly longer update intervals (5s+ for BH1750, 30s for SHT3x) to minimize any overhead, but even your current settings should be fine.

Note: The calibration fallback in your log is due to weak WiFi signal (-78 dB), not the sensors.