rpi-setup.txt

sudo raspi-config
	- Expand filesystem
	- Change locale to en_us.UTF8
	- Change timezone
	- Change wifi country
	- Enable SSH
	- Enable I2C
	
sudo nano /etc/wpa_supplicant/wpa_supplicant.conf
	Add
	network={
		ssid=""
		psk=""
	}
	
sudo apt-get update
sudo apt-get upgrade
sudo apt-get update

sudo apt-get install -y python-smbus git build-essential python-dev python-openssl i2c-tools

sudo nano /etc/lightdm/lightdm.conf
	Set xserver-command to "X -nocursor -s 0 dpms"

sudo nano /etc/kbd/config
	BLANK_TIME=0
	POWERDOWN_TIME=0
	
sudo nano /boot/config.txt
	dtparam=act_led_trigger=none
	dtparam=act_led_activelow=off

sudo nano /etc/modprobe.d/raspi-blacklist.conf
	blacklist btbcm
	blacklist hci_uart
	blacklist snd_bcm2835

git clone https://github.com/adafruit/Adafruit_Python_BMP.git
cd Adafruit_Python_BMP
sudo python setup.py install

git clone https://github.com/adafruit/Adafruit_Python_DHT.git
cd Adafruit_Python_DHT
sudo python setup.py install




Resistor between gpio and optocoupler can be 210 ohm, (3.3V - 1.2V)/10mA