These codes are from "Make: Sensors", the book. 

"Make: Sensors" has 
- circuit diagrams
- explanations of all sensors
- all programs explained
- installation instructions

For latest versions of these codes, see http://BotBook.com. 

To purchase Make Sensors: 
http://shop.oreilly.com/product/0636920030317.do

Using Code Examples
This book is here to help you get your job done. In general, you may use the
code in this book in your programs and documentation. You do not need to
contact us for permission unless you’re reproducing a significant portion of
the code. For example, writing a program that uses several chunks of code
from this book does not require permission. Selling or distributing a CD-ROM
of examples from O’Reilly books does require permission. Answering a ques-
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your product’s documentation does require permission.
We appreciate, but do not require, attribution. An attribution usually includes
the title, author, publisher, and ISBN. 
If you feel your use of code examples falls outside fair use or the permission
given here, feel free to contact us at permissions@oreilly.com.
Various licenses
GPL version 2 licensed codes are adjustable-infrared-sensor-switch,  
attopilot_voltage,  botbook_gpio,  botbook_mcp3002,  button,  color_sensor,  
compound_eye,  distance_ping,  diy_capacity_sensor_simple,  flexiforce,  
gy_65,  hall_sensor,  hall_switch,  hc-sr04,  Human_Body_Touch_Sensor,  
keypad,  KY_026_flame,  ldr,  line_sensor,  lsm303,  MCP3002,  microphone,  
microswitch,  mpu_6050,  MQ_3_alcohol_sensor,  mq_3_alcohol_sensor_analog,  
mq_x_smoke_sensor,  mx2125,  parallax_pir_reva,  pot,  qt113,  rotary_encoder,  
smoke_alarm,  soil_humidity_sensor,  temperature_lm35,  tilt_sensor, 
vibration_sensor,  wiichuck_adapter,  xy_joystick
How to Contact Us
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