This is a breakout board for the ISD1932, a multiple-message record/playback device. This single chip can record up to 64 seconds worth of voice messages. Microphone inputs and speaker outputs are all handled by the ISD1932.
A switch is connected to allow selection of the ISD1932's operating mode - address trigger or direct trigger. You must cycle the power after switching the mode. An LED is also populated on the board and will illuminate when the device is recording. An external resistor is necessary to select the record duration and sampling frequency, which can range from 21.2 - 64 seconds (4-12kHz sampling frequency).
The board breaks out all pins of the ISD1932 to 0.1" spaced headers. This product comes as shown in the pictures with filtering capacitors, an LED, mode selecting switch and the ISD1932 IC. The new version of this board also includes a microphone and a 3.5mm audio jack.
Note: Just to give you a ballpark idea of how this board sounds, we made a short recording for you. The gain is a touch high so any clipping is an artifact of that. The first thing you'll hear is a short clip of our Director of Engineering bragging about his credentials. After that, you'll hear that sound after it has been recorded directly into this chip and played directly out again. It gets a little better than this if you're willing to fool around with the gain resistance for a while, but you get the idea: You don't wanna listen to music on it, but it's not bad for SFX or voice messages.
- Operating mode selector switch
- 2.4V to 5VDC supply voltage
- LED indicates if the board is recording
- Record up to 64 seconds of audio
- All pins of the ISD1932 broken out to 0.1" headers
- Breadboard friendly
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