Esphome with ESP-01 & DHT11

ESPHome
1

I’ve purchased this set of ESP-01 with DHT11 temperature and humidity sensor.
https://www.aliexpress.com/item/ESP8266-ESP-01-ESP-01S-Wifi-DHT11-Temperature-Humidity-Sensor-Meter-Module-Wireless-Thermometer-for-NodeMCU/32967287653.html?spm=a2g0s.9042311.0.0.27424c4doegzX9
I’ve uplodaded the folowing code from esphome:

esphome:
  name: esp01
  platform: ESP8266
  board: nodemcu

wifi:
  ssid: '*****'
  password: '******'

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

web_server:
  port: 80
  
sensor:
  - platform: dht
    pin: 2
    temperature:
      name: "Living Room Temperature"
    humidity:
      name: "Living Room Humidity"
    update_interval: 60s

The firmware upload went fine. the web server is running, both temperature and humidity sensors are registered. I can also see the esp01 integration with both sensors in my Home Assistant. However, no temperature or humidity values are shown. I suspect it may have something to do with invalid pin number, but I’ve tried different values and none work. What pin number should be used on ESP-01?

2

found the solution here. it works now

5 Likes
3

the pin:2 is physically the GPIO2

4

thanks for the answer.

5

Hi, I’m sorry for bringing this thread to life again but facing the issue now, could you please mention what specifically helped you from that thread?

Thanks in advance.

6

Hi, I don’t remember exactly what, but I think I had wrong board type specified. Instead of “board: nodemcu” should be “board: esp01_1m”