EnvBoyX
Arduino environment monitor for ESP32 / ESP8266 based boards.
All of documents
View document on read the docs https://envboyx.readthedocs.io/en/latest/
images
EnvBoyX v48 on TTGO T-Display and SSD1306 , SH1106
Default output image on TTGO T-Display
Vertical Output Image on TTGO T-Display
overview
target boards
- ESP32 based boards
- ESP8266 based boards
functions
- Show sensor output on display
- HTTP Json endpoint for getting sensor output
- Highly configurable and flexible
- Supports many sensors
sensors and devices
All are optional.
- BME280 (Temperature, Humidity, Pressure sensor)
- TSL2561 (luminous sensor)
- LPS22HB (Pressure sensor)
- AM2302 (Temperature sensor, got wrong value at first time)
- MH-Z19B (CO2 sensor UART mode)
- SSD1306 (I2C OLED 128x64px)
- ST7789 (SPI TFT 240x135px)
specs
pin assign
I2C
Defined at global.cpp
| TYPE | SDA | SCL | note |
|---|---|---|---|
| ESP32 | 21 | 22 | not configurable |
| ESP8266 | 5 | 4 | not configurable |
MH-Z19 Serial(UART)
Defined at mhz19_uart.cpp
| TYPE | Rx | Tx | note |
|---|---|---|---|
| ESP32 | 32 | 33 | HardwareSerial 2, configurable via web config |
| ESP8266 | 14 | 0 | SoftwareSerial , fixed |
how to use
first time
- Read getting started of this document.
change setting
- Poweroff or reset on waiting for resetting screen.
- (v42) Use Config API
version up
- Same as first time
- After version up, EnvBoy may be automatically boots up in SETUP MODE if config parameter is added.
functions
Display
- SSD1306: Auto detect
- SH1106: Usable but need setting on setting mode, otherwise you see line on screen edge
- ST7789: Must configure in web config
HTTP Web API
EnvBoyX has HTTP web API. API Docs for details.
appendix
Setups I am using
- T-Display with BME280, MHZ-19B
- NodeMCU V3 V2 ESP32 with SSD1306, BME280, MH-Z19B
- NodeMCU V3 ESP8266 with BME280, MH-Z19B
Boards I tested (at least once)
ESP32
- LilyGO TTGO T-DISPLAY (ESP32 and ST7789 TFT)
- NodeMCU V3 V2 ESP32
ESP8266
- D-Duino (ESP8266 and ST1306 OLED board)
- WeMos D1mini
- NodeMCU V3
build note
- Use python script to store some html, css
- Script is stored in build_script
- Script is automatically executed by platformio
- See platform.io [env] extra_script for details.
Version History
see Version History for details.