Everything for Electronics

Dev Gualtieri

Dev's Articles

Build an Electronic Lock
June 2015
Here’s a simple and inexpensive electronic key system you can incorporate into various projects that can be built with or without a microcontroller.

Build a Stereo Gain Controller
January 2012
Tired of being blasted off your seat by excessive audio volume when you switch television channels or when the commercials come on? To mitigate such unnerving changes in program audio, a popular automatic volume controller from the vacuum tube era was updated to today's technology. This circuit is also useful in home recording.

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