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ISD1820

How to connect ISD1820 recorder module with Arduino

About ISD 1820 recorder module: The ISD1820 recorder module is based on the ISD1820 IC, which is a single-chip recorder IC for single information recording and playback.One of the main features of the ISD1820 recorder module is that it can store messages in its non-volatile memory, and it can be configured to store messages between 8 and 20 seconds in length.Another main feature of this module is that it has an internal audio amplifier, which can directly drive a 0.5W8Ξ© speaker without any external amplifier circuit. However, if you want to drive more powerful speakers, you can connect the output...

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