i2c

slice expander

start here
Nerves System configuration for the Raspberry Pi A+, B, and B+
circuits_i2c

i2c arduino youtube
I used this library libraries/liquid-crystal-i2-c this time.
Just to note the annotations on the photo .

4-channel I2C-safe Bi-directional Logic Level Converter - BSS138
circuit

adafruit-4-channel-adc-breakouts
summary :

sudo apt-get update
sudo apt-get install -y python3 python3-pip python-dev
sudo pip3 install rpi.gpio


bmp 180
arduino wiring
using-the-bmp085-api-v2
sensor driver

msp430-launchpad-pinout-datasheet
jtag info
setting up the toolchain
check this out,rust