Free Elektor magazine January 2012

Articles in the January issue of Elektor magazine include:

• Wideband lambda probe interface: test exhaust oxygen levels.
• Audio DSP course (7): digital peak level meter.
• Grid frequency monitor: tiny fluctuations evidenced by LEDs.
• 玉壶吟(父女)笔趣阁最新章节 for starters (1): diodes and LEDs.

See the complete table of contents at the Elektor January 2012 web site.

Get this issue FREE while supplies last. To get your free issue, enter the coupon code ELEKTOR0112 into your shopping cart. The magazine will add 5.3 ounces to the package weight when calculating your shipping options.