amirhm / homedisplay Goto Github PK

This is fun project using PI-PCIO and air quality sensor (SDC40) as a tiny home air quality station with a display!

Example:

Normal	Night mode

1. Connects to the wifi and updates the timing info from the ntp server.
2. Connect to SDC40 Sensor for CO2 via I2C, get Temp and Humidity and CO2 level
3. Display Information on 2-inch Color display (ST7789) via spi.
4. Date and time and Counter.

1. RPI-PICO W (to connect to wifi and update the time)
2. SDC40 Air Quality sensor
3. ST7789 Display

to build the binary:

cd pico-sdk
git submodule update --init
cd ..

To get the time data from ntp server a wifi connection is required. To define the wifi ssid and password, either define env variables WIFI_SSID and WIFI_PASSWORD or just define inline with cmake command:

WIFI_SSID="TEST" WIFI_PASSWORD="pass" cmake -DPICO_BOARD=pico_w

then make a build folder and build via cmake:

mkdir build
cd build
cmake -DPICO_BOARD=pico_w -DPICO_SDK_PATH=./pico/pico-sdk ..

now you can build either with cmake --build . or make all -j