Mini VOX and Relay, KIT - Requires Assembly

Electronic KITSKU: KIT_126

Price:
$ 13.75

Description

This mini-VOX - voice operated relay is based on a circuit published in Silicon Chip, 9/1994, p31. We have improved it by putting an on-board Koa potentiometer in order to adjust the sensitivity. The idea behing a VOX is that instead of the user pressing a switch to activate a relay, the sound of the users voice itself activates the relay. This gives hands-free control over devices.

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