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      Sure Electronics AA-AK31141 Audio Record and Playback Kit

      € 14,01€ 16,95 10+ In stock: delivery time 1-4 business days
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      Product description

      Add event-driven message playback anywhere with this cost-efficient audio record and playback kit. Use the included microphone to record and the included speaker for playback, or connect to an external source and amplification and create your own custom messaging system.

       

      Highlights

      • Based on the ISD1730 IC with 20 seconds of message storage and Class D amplification
      • Includes 3/4" speaker and microphone element
      • Versatile design that can also use external sources
      • Record up to 4 messages with 20 seconds total record time

       

      Product details

      Sure Electronics AA-AK31141 Audio Record and Playback Kit

       

      This cost-efficient record and playback kit is great for point-of-purchase displays, haunted houses, or any application where an event-driven (use the onboard switches or wire to an external switch) pre-recorded message is needed. An ISD1730 IC is used for high-quality, multi-message voice recording and playback via the built-in audio amplifier. Voice signals can be fed into the IC for recording through two independent paths: a differential microphone input (for use with the included microphone element) or a single-channel 42k ohm analog input.

       

      The ISD1730 provides up to 670 mW (with 5.5 VDC power supply) of Pulse Width Modulation (PWM) Class-D speaker amplification (to power the included 3/4", 8-ohm driver) and a separate analog output for use with an external amplifier (sold separately). Up to four messages (20 seconds of total message duration available) can be recorded and saved into the ICs non-volatile flash memory that maintains recordings, even without power.

       

      A green LED is used as the operating indicator and operating input voltage spans a range from 2.4 to 5.5 VDC to ensure that the kit is optimized for a wide range of battery options; you can even use USB bus power! Kit requires assembly.

       

      Note: Speaker wire in the finished picture is not included.

      Key    Function  Description
      SW1ResetWhen pressed, the device enters into the powered-on, clear-all state.
      SW2RecordWhen pressed, starts recording a message, hold the key for the duration of the message. If there's an analog audio input , hold both SW2 and SW7 to record the analog signal.
      SW3PlayPlays recorded messages individually.
      SW4EraseErases individual messages or performs a global erase when you keep on hold this key for 4 seconds.
      SW5ForwardAdvances to the next message from the current location.
      SW6VolumeCycles through 8 volume settings, loudest to softest.
      SW7FTHold this key with SW2 to enable the Analog In for analog input record.

       

      Includes:

      • 1 Printed circuit board (H x W x L): 1.6 x 68.6 x 91.5 mm
      • 1 ISD1730 IC
      • 1 IC mount
      • Resistors:
          3 x 100 kΩ (blue, grey, black stripes)
          5 x 4.7 kΩ (yellow, purple, red stripes)
      • Capacitors:
          1 x 470 μF electrolytic 
          5 x 22 μF electrolytic 
          10 x 0.1 μF monolithic
      • 1 Green LED
      •  1 1N5819 diode
      • 2 Wire terminal blocks
      • 1 3/4", 8Ω speaker 

      Specifications

      Article number
      AA-AK31141

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      AA-AK31141 Audio Record and Playback Kit
      € 14,01
      € 16,95
      AA-AK31141 Audio Record and Playback Kit
      10+ In stock: delivery time 1-4 business days
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