ISD1820 Overview
Key Features
- With internal audio amplifier, this board can drive 8 Ohm 0.5W speaker directly
- Microphone is on board
- Board dimension: 54mm x 38mm
- All the pins of ISD1820 are extended out with an connector, which can powered and controlled by microprocessor directly
- Functions The following is the board picture. The following is the schematic. There are 3 keys on the board: REC, PLAYE and PLAYL