Raspberry Pi related code
My video courses corresponding to part of these codes on jikexueyuan.com: link
在极客学院网站上，有我录制的和这些代码（部分）相关的视频课程: 链接
Environment: Raspberry Pi model B+/B
- For each subproject, if there is no explicit declaration about the applicable RPi model, then it's Model B+.
OS: Arch Linux ARM
Description of each subproject:
auto-report-ip-via-email
Script & config files to let Raspberry Pi report its IP address to an specified Email address at system startup.
emacs-config
Emacs config files on my Raspberry Pi.
gpio
GPIO related applications on Raspberry Pi.
gpio/lcd
Display some messages on a LCD1602 screen, including the examples of using/not using an PCF8574 I2C module.
gpio/led/blink
Blink the LED connected to the GPIO port on Raspberry Pi by using the WiringPi library.
gpio/led/input-control
Control a LED through a button(pressed or not).
gpio/led/pwm
Control the brightness of a LED through PWM.
gpio/piezo-element
Play music through a piezo element.
gpio/sense-light
Control some LEDs through an pyroelectric module.
gpio/stepper-motor
Control a stepper motor through the GPIO ports on Raspberry Pi.
gpio/timer-sense-light
A time-controllable human sense light based on Raspberry Pi.
Please refer to the README of this subproject for details.
real-time-clock
Slight modification to the ds1302.c shipped with WiringPi to work better with the DS1302 Real-Time Clock module.
rpi-remote-monitoring-system
A remote monitoring system based on Raspberry Pi
Please refer to the README of this subproject for details.
webcam
USB camera related applications on Raspberry Pi.
webcam/motion-detection
Demonstrate how to detect motion in front of an USB camera using OpenCV.
webcam/image-capture/opencv
Demonstrate how to capture an image from USB camera on Raspberry Pi using OpenCV.
webcam/image-capture/v4l2
Demonstrate how to capture an image from USB camera on Raspberry Pi using V4L2, the code of this subproject is forked from https://github.com/twam/v4l2grab/tree/master & I add a shell script to invoke the program.
webcam/video-capture
Demonstrate how to capture video from USB camera on Raspberry Pi & save to a file using OpenCV.
webcam/face-recognition
Demonstrate how to implement a face-recognition application on Raspberry Pi.