Mini Vox Relay Kit K5544

(Silicon Chip Magazine Sept. ’94) Compact miniature design uses only one IC to switch a relay. This versatile Vox circuit is triggered whenever a noise or sound is made (via the microphone) causing a relay to close for a preset time. The circuit features an almost instant turn on time with a 3 second delay before release. Requires 12V DC supply. Ideal for CB or Amateur Radio.

Important Note For Kit Buyers:
This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.