Product Overview

The Velleman MK195 Voice Recording/Playback Module is a versatile and compact solution for all your audio recording needs. Engineered for ease of use, this module is ideal for students and hobbyists from grades 1 to 12, making it a perfect tool for educational projects, interactive displays, or creative sound applications.

Key Features

• Power Supply: Operates on 9-12 VDC or can be powered by a 9 V battery for portability.
• Adjustable Sampling Rate: Choose between 5 to 12 kHz to customize audio quality.
• Speaker Output: 500 mW max. with an 8-ohm impedance for clear sound playback.
• Recording Time: Nominal recording time of 60 seconds; adjustable between 30 and 90 seconds depending on sample rate.
• Compact Dimensions: PCB size measures just 2.6 x 2 x 0.8 inches, making it easy to integrate into various projects.

Benefits

This module is equipped with an on-board microphone and a 57 mm speaker, allowing for straightforward audio recording and playback. The speed adjustment feature adds an exciting element, enabling users to create ‘funny voices’ for educational or entertainment purposes. External open-collector trigger inputs facilitate easy control for recording, playback, deletion, and volume adjustments, enhancing usability in multiple applications.

Use Cases

Whether you’re a teacher looking to create engaging lessons, a student working on a science project, or a hobbyist crafting a unique audio device, the Velleman MK195 is your go-to solution. Its flexibility and ease of integration make it suitable for various DIY projects, including sound-responsive toys, learning aids, and interactive exhibits.

Technical Specifications

FAQs

• Can I use this module for long recordings? The module allows for recordings between 30 and 90 seconds. Adjust the sampling rate to maximize your recording time.
• Is the microphone built-in? Yes, the Velleman MK195 features an on-board microphone for easy recording.
• What type of projects is this module suitable for? It’s perfect for educational projects, sound-based toys, and interactive displays.
• Can I control playback externally? Yes, the module includes open-collector trigger inputs for controlling playback and recording easily.
• How does the speed adjustment feature work? This feature allows you to modify the playback speed, creating different voice effects for your recordings.

Originality and Unique Features

The Velleman MK195 stands out with its adjustable recording time and sampling rates, adding creative versatility. Its compact design and simple integration options make it a unique choice for anyone looking to explore audio technology.