This voice recorder module uses a high quality 40 second non-volatile ISD2540 ChipCorder audio recording IC by Winbond and features a useful loop option that enables continuous playback of a message.

The IC has several modes of operation and we use it here as a sequential multi-message recorder (like a telephone message recorder). You can record as many messages as you want up to 40 seconds total (see Order Code 3064 for a 120 second version of this product). You can then play them back on command and there is loop option that enables continuous playback of a message.

Recording and playback operations are controlled using the RECORD/PLAYBACK mode switch and the START/PAUSE and STOP/RESET buttons. A switch is used to select Loop or Normal playback. Loop with repeat the message indefinitely with no pause between repeats.

Unit has a built-in microphone and LEDs to indicate recording and playback.

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