Home › Magazines › 2008 › July/August › Auto-off for Audio Gear

Auto-off for Audio Gear

Published in issue 379, July/August 2008

The simple circuit shown can prevent flat batteries by de-actuating a relay when no audio signal is detected for about two seconds.

Click below to download a PDF copy of this article from Elektor magazine.

	Downloads
	Article PDF
	5 Elektor Credits

Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

Subscribe now

Browse online

Subscribe to our free
E-weekly Newsletter!

Enter your Email address:

Follow Elektor

Act now!

> Become an Elektor Member

> Register for E-weekly

> To Elektor-plus.com

> Become a supporting company

> To FAQs

FAQ

Before submitting questions, review our FAQ section!

Bestseller

Microprocessor Design using Verilog HDL

This book is a practical guide to processor design in the real world. It presents the Verilog HDL in an easily digestible fashion and serves as a thorough introduction about reducing a computer architecture and instruction set to practice.

Package Deals

Elektor Bundles

Check our Package Deals and save money! Discounts up to 19% now available!

Price Slashed

Elektor OSPV

This Open Source People Vehicle is perfect for factory halls, warehouses, hospitals, colleges, schools etc.

Search

Products

My Elektor

Home › Magazines › 2008 › July/August › Auto-off for Audio Gear

Auto-off for Audio Gear

Subscribe now

Subscribe to our free
E-weekly Newsletter!

Follow Elektor

Act now!

FAQ

Bestseller

Package Deals

Price Slashed

Elektor PCBs at 25% OFF

Search

Products

My Elektor

Home › Magazines › 2008 › July/August › Auto-off for Audio Gear

Auto-off for Audio Gear

Subscribe now

Subscribe to our freeE-weekly Newsletter!

Follow Elektor

Act now!

FAQ

Bestseller

Package Deals

Price Slashed

Elektor PCBs at 25% OFF

Subscribe to our free
E-weekly Newsletter!