Speech (Voice) Recording & Playback Unit - 20 Seconds recording
This module board is based on ISD1820, which is a single-chip single-message record/playback device. Recordings are stored into on-chip non-volatile memory, providing zero-power message storage. With the embedded Flash memory employed, forever data retention and typical 100,000 erase/record cycles can be reached. Time for recording is 8-20 seconds.
1. Power input: DC 2.4-5.5V
2. With internal audio amplifier, this board can drive 8 Ohm 0.5W speaker directly.
3. Microphone is on board
4. Board dimension: 42.5mm x 38mm
5. All the pins of ISD1820 are extended out with an connector, which can powered and controlled by microprocessor directly