WLED/usermods/Wemos_D1_mini+Wemos32_mini_...
..
readme.md
usermod.cpp
usermod_bme280.cpp

readme.md

Wemos D1 mini and Wemos32 mini shield

  • Installation of file: Copy and replace file in wled00 directory
  • For BME280 sensor use usermod_bme280.cpp. Copy to wled00 and rename to usermod.cpp
  • Added third choice of controller Heltec WiFi-Kit-8. Totally DIY but with OLED display.

Project repository

Features

  • SSD1306 128x32 or 128x64 I2C OLED display
  • On screen IP address, SSID and controller status (e.g. ON or OFF, recent effect)
  • Auto display shutoff for extending display lifetime
  • Dallas temperature sensor
  • Reporting temperature to MQTT broker
  • Relay for saving energy

Hardware

Shield

Functionality checked with

  • Wemos D1 mini original v3.1 and clones
  • Wemos32 mini
  • PlatformIO
  • SSD1306 128x32 I2C OLED display
  • DS18B20 (temperature sensor)
  • BME280 (temperature, humidity and pressure sensor)
  • Push button (N.O. momentary switch)

Platformio requirements

For Dallas sensor uncomment U8g2@~2.27.3,DallasTemperature@~3.8.0,OneWire@~2.3.5 under [common] section in platformio.ini:

# platformio.ini
...
[platformio]
...
; default_envs = esp07
default_envs = d1_mini
...
[common]
...
lib_deps_external =
  ...
  #For use SSD1306 OLED display uncomment following
  U8g2@~2.27.3
  #For Dallas sensor uncomment following 2 lines
  DallasTemperature@~3.8.0
  OneWire@~2.3.5
...

For BME280 sensor uncomment U8g2@~2.27.3,BME280@~3.0.0 under [common] section in platformio.ini:

# platformio.ini
...
[platformio]
...
; default_envs = esp07
default_envs = d1_mini
...
[common]
...
lib_deps_external =
  ...
  #For use SSD1306 OLED display uncomment following
  U8g2@~2.27.3
  #For BME280 sensor uncomment following
  BME280@~3.0.0
...