Wifi Output Power does not get applied

DerGary commented 1 week ago

The problem

I tried to change the output_power of the wifi component but it seems to have no effect, the signal strength was -69dBm before the change and is still the same after changing to the lowest value 8.5 as well as the highest value 20.

Which version of ESPHome has the issue?

2024.11.1

What type of installation are you using?

pip

Which version of Home Assistant has the issue?

2024.11.3

What platform are you using?

ESP32

Board

diymore 3 Stück ESP32 USB C ESP32 Entwicklungsausschuss ESP32 WROOM 32 ESP32 NodeMcu Development Board 2,4 GHz WLAN WiFi Bluetooth CP2102

Component causing the issue

wifi

Example YAML snippet

esp32:
  board: esp32dev
  framework:
    type: arduino

wifi:
  ssid: !secret wlan-ssid
  password: !secret wlan-password
  output_power: 8.5dB

sensor:
  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: "WiFi Signal dB"
    id: wifi_signal_db
    update_interval: 1s
    entity_category: "diagnostic"

Anything in the logs that might be useful for us?

not really, here is the output of the wifi component:

[14:04:51][C][wifi:600]: WiFi:
[14:04:51][C][wifi:428]:   Local MAC: XXX
[14:04:51][C][wifi:433]:   SSID: 'XXX'
[14:04:51][C][wifi:436]:   IP Address: XXX
[14:04:51][C][wifi:440]:   BSSID: XXX
[14:04:51][C][wifi:441]:   Hostname: 'XXX'
[14:04:51][C][wifi:443]:   Signal strength: -69 dB ▂▄▆█
[14:04:51][C][wifi:447]:   Channel: 11
[14:04:51][C][wifi:448]:   Subnet: 255.255.255.0
[14:04:51][C][wifi:449]:   Gateway: XXX
[14:04:51][C][wifi:450]:   DNS1: XXX
[14:04:51][C][wifi:451]:   DNS2: 0.0.0.0

Additional information

I'm trying to decrease the wifi power as I believe it might interfere with my motion sensor that is right next to the board and is often triggered false positively.

randybb commented 1 week ago

It is signal strength that is the esphome device receiving (from AP), check signal strength on your AP.

https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/network/esp_wifi.html#_CPPv4N16wifi_ap_record_t4rssiE

DerGary commented 1 week ago

oh you are right, when I look at the values on the AP they change when I change the output_power 🙈 I'm sorry, I thought the change should be visible in both directions. Thank you for the quick reply, I'm a bit smarter now 🙏

esphome / issues