Air Quality Meter - Step 2: the Pi
Sep 14, 2020
There are a lot of guides and some top notch documentation on getting start with a Raspberry Pi. Here are the parts I used to get the Pi set up, and the steps that I followed.
All of the links I provided are important and really thorough. Follow them carefully!
requirements:
- Pi Zero W
- Micro SD card (8gb)
- SD Card reader
- Set of headers
- soldering iron
- solder
- mini hdmi adapter
- micro usb to usb adapter
- keyboard
- display
- hdmi cable
Steps:
- Solder the headers on
- Download OS https://www.raspberrypi.org/downloads/raspberry-pi-os/ (noobs)
- Follow directions to flash https://www.raspberrypi.org/documentation/installation/installing-images/README.md
- Boot and login (user is pi, password is raspberry)
- Change password for pi user
- add new user (https://www.raspberrypi.org/documentation/linux/usage/users.md)
- give yourself sudo permissions
- add file to sudoers.d
- run
sudo raspi-config
- Set up network options
- (optional) set up boot options to boot to desktop
- Interfacing Options
- Enable SSH, SPI, I2C
- reboot and login as your new user
- run
sudo apt-get update
andsudo apt-get upgrade
- SSH in from your computer
sudo apt-get install python3-pip
sudo apt-get install -y python-smbus
sudo apt-get install -y i2c-tools
https://learn.adafruit.com/adafruits-raspberry-pi-lesson-4-gpio-setup/configuring-i2c
This final step on the Adafruit documentation for the ic2 setup is necessary for the next step, which is setting up the actual sensor.