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In this tutorial, we will learn about APR33A3 Voice Record & Playback Module & its interfacing with Arduino. APR33A3 is an 8 Channel Voice Record & Audio Playback Board integrated with APR33A series IC which is a powerful audio processor along with high-performance audio analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
The APR33A series is specially designed for the simple key trigger. The user can record & play the message averagely for 1, 2, 4, or 8 voice message(s) by a switch and be adjusted the sample rate by using different values of resistors.
We will learn how to use this module, i.e. recording of Audio and playing it back again. We will also make Audio supported project using Arduino Board. The board can be used in multiple applications like Audio Notifier in Accident Detection System or as a Namastey Greeting Robot in PIR Sensor Application. It can also be used in applications such as doorbells, Voice-Controlled Robots, railway announcement systems, and automatic telephone answering devices. Here, we will use this module with the ultrasonic Sensor HC-SR04 to notify the detected distance to a blind person.
Project Page & Written Tutorial: how2electronics.com/interfaci...
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