Use minicom to connect Raspberry PI

1. Prepare
a. A USB to TTL Serial
b. Install minicom

sudo apt-get install minicom

2. Connect
a. connect TTL to GPIO like below



b. find the port on your PC

ls -l /dev/ttyUSB0

the output will like "crw-rw---- 1 root dialout...", means it's character device


sudo minicom -b 115200 -o -D /dev/ttyUSB0

Then you'll coneect to RPI !

Easily Stream your Camera on Ubuntu 14.04

1. Install dependent lib

sudo apt-get install imagemagick
sudo apt-get install libjpeg8-dev
sudo apt-get install libjpeg-dev
sudo apt-get install libv4l-dev

2. Download MJPG-Streamer and Install

svn checkout svn://svn.code.sf.net/p/mjpg-streamer/code/ mjpg-streamer-code
cd mjpg-streamer-code/mjpg-streamer
make
sudo make install

3. Start the Server!

mjpg_streamer -i "/usr/local/lib/input_uvc.so -f 15 -r 640x480" -o "/usr/local/lib/output_http.so -w /usr/local/www -p 8080"