MY AI robot powered by google assistant

Update packages with AIY project repo

$ echo "deb https://dl.google.com/aiyprojects/deb stable main" | sudo tee /etc/apt/sources.list.d/aiyprojects.list
$ wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get upgrade -y
$ sudo reboot

Install essential packages

• Install protobuf and google-assistant-library

$ sudo apt-get install -y git aiy-python-wheels

• Fix wheels installation fail

$ pip3 download protobuf
$ sudo nano /var/lib/dpkg/info/aiy-python-wheels.postinst
    ...
    # pip3 install --no-deps --no-cache-dir --disable-pip-version-check \
    #     /opt/aiy/python-wheels/protobuf-3.6.1-cp35-cp35m-linux_armv6l.whl
    ...
$ sudo dpkg --configure --force-overwrite --force-overwrite-dir -a
$ sudo apt-get install -y git aiy-python-wheels
$ sudo reboot

Install mjpg-streamer

$ sudo apt-get install -y cmake libjpeg8-dev
$ cd ~
$ git clone https://github.com/jacksonliam/mjpg-streamer.git
$ cd ~/mjpg-streamer/mjpg-streamer-experimental
$ make
$ sudo make install

Install snowboy

$ sudo apt -y install swig python3-pyaudio python3-pip libatlas-base-dev
$ sudo pip3 install pyaudio
$ pip3 install requests
$ git clone https://github.com/Kitt-AI/snowboy.git
$ cd ~/snowboy/swig/Python3
$ make

Install MY Robot

$ cd ~
$ git clone https://github.com/hanmy75/my_robot.git
$ sudo pip3 install -e my_robot/src
$ cd my_robot/scripts
$ ./install-services.sh

• Copy cert (assistant.json) to /home/pi

Install ADS1115

$ cd ~
$ git clone https://github.com/adafruit/Adafruit_Python_ADS1x15.git
$ cd Adafruit_Python_ADS1x15
$ sudo python3 setup.py install

Setup I2S amp

$ sudo nano /boon/config.txt
 ...
 #dtparam=audio=on
 dtoverlay=hifiberry-dac
 dtoverlay=i2s-mmap

[pi4]
 ...

Pin-out

Pin	BCM	Usage
		SW
16	23	NECK
		I2C
3	2	SDA
5	3	SCL
		I2S AMP
35	19	LRCLK
12	18	BCLK
40	21	DIN
		Motor
24	8	M-ULA
22	25	M-ULB
27	0	M-URA
29	5	M-URB
32	12	M-DLA
28	1	M-DLB
31	6	M-DRA
33	13	M-DRB
36	16	M-WSTA
38	20	M-WSTB

Reference

pi-zero PIN out : https://pinout.xyz

ADS1x15 : https://github.com/adafruit/Adafruit_Python_ADS1x15

HT16K33 : https://github.com/adafruit/Adafruit_CircuitPython_HT16K33

WEB UI : https://hackaday.io/project/25092-zerobot-raspberry-pi-zero-fpv-robot