by Hans Summers, G0UPL

References

• Source code for this project
  http://hamradioprojects.com/authors/g0upl/+thermic/code

• ATmega328 datasheet
  http://www.atmel.com/devices/ATMEGA328.aspx?tab=documents

• Sparkfun micro-SD card proto-shield
  http://www.sparkfun.com/products/9802

• Analog Devices TMP36 temperature sensor
  http://www.analog.com/static/imported-files/data_sheets/TMP35_36_37.pdf

• Adafruit discussion of Arduino and TMP36
  http://www.ladyada.net/learn/sensors/tmp36.html

• Arduino AREF
  http://arduino.cc/en/Reference/AnalogReference

• Arduino analogRead noise discussion
  http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1295736263

• OpenMusicLabs discussion of Atmel ADC
  http://www.openmusiclabs.com/learning/digital/atmega-adc/

• Sub-miniature tube VFO by Andy G4OEP
  http://g4oep.atspace.com/xfy/xfy.htm

• The author’s experiments with tube VFOs
  http://www.hanssummers.com/tubevfo

License

The Arduino sketch this project is released under the MIT license:
http://www.opensource.org/licenses/mit-license

The schematics in this project are distributed under the CC-BY-SA 3.0 license:
http://creativecommons.org/licenses/by-sa/3.0/