ISD1820 is a small Voice Recorder and Playback module that can do the multi-segment recording. The user can achieve a high quality of recording (for 8 to 20secs) for each application with the adjustment of the on-board resistor. This Voice Recorder/Playback module is designed with embedded-Flash memory, which can hold data for up to 100 years and erase/record the life cycle up to 100,000.

 Specifications

• Main chip:ISD1820
• Working voltage: DC3-5V
• Can drive 8 Ohm 0.5W speakers directly
• On-board microphone.

Features

• Record and playback up to 10 seconds of audio.
• Pushbutton and MCU controllable
• Edge or level activated playback
• Built-in microphone
• On-chip 8 ohm speaker driver
• Duration and sample rate can be modified up to 20 seconds with resistor change
• Auto power down mode

Documents:

• Tutorial