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The October 2009 issue of Elektor magazine focuses on sound, including articles about the science of acoustics, noise canceling headphones, and a hearing threshold tester designed to check the state your ears are in. Other projects in this issue include:
- Mini preamplifier.
- A Barometric Altimeter using a piezoresistive transducer.
- Touch LEDs for Arduino.
- A Car tilt Alarm built around a PIC16F877 microcontroller.
See the complete table of contents at the Elektor October 2009 web site.
Get this issue FREE while supplies last. This offer is only available for orders shipped to USA or Canada. To get your free issue, enter the coupon code ELEKTOR1009 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.
