ISD1820 Voice Recording Module

ISD1820 voice sound audio

voice module is quickly become familiar with the ISD1820 series chips designed for a simple and practical circuit board. It applies to all  series chip, with a simple, fully functional characteristics. Recording chip ISD1820 series is a highly integrated, high-performance chips. It can be multi-segment recording, sampling rate can be adjusted, the power supply can range from 2.4V to 5.5V. ISD1820 there was the new recording prompts, when