Isd1820 Circuit Diagram. Via three digital i o communication pins. While the p e pin is connected with the arduino s pin number 5.
June 25 2020 at 8 39 pm. If they are powered separately make sure that the amp circuit and the isd1820 share a common ground. How to use isd1820 voice recorder and player.
1 pin 1 can be seen as the rec recording input pinout which accepts a positive signal for enabling the recording function meaning this pinout must be connected to the vcc or the positive line while recording an audio clip.
I read quickly and thought you were using an lm386 module. Referring to the proposed 20 second message record playback circuit diagram using the ic isd1820. Application of isd1820 voice recorder playback. The isd1820 based voice recorder and playback module can easily be controlled using any microcontroller like pic arduino etc.
