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  • Automobile car bug, parking radar, GPS navigation system
  • Intelligent home system, house bug
  • Voice in medical devices
  • Household appliances (induction cooker, rice cooker, micro-wave oven),
  • Game machines and Learning toys: talking book
  • Voice Tools
  • Intelligent traffic facilities: automated toll gate, automated parking lot
  • Communications equipment: Telephone, PABX exchanged
  • Hotel Management: Room and Hotel Management
  • Industrial control: Elevator, toys and in other applications


  • Push-button interface, playback can be edge or level activated
  • Automatic power-down mode
  • On-chip 8Ω speaker driver
  • Can be controlled either manually or by MCU
  • Sample rate and duration changeable by replacing a single resistor
  • Record up to 20 seconds of audio

Technical Specifications

  • Power input: DC 2.4-5.5V
  • With internal audio amplifier, this board can drive 8 Ohm 0.5W speaker directly.
  • Microphone is on board
  • Board dimension: 42mm x 38mm
  • All the pins of ISD1820 are extended out with an connector, which can powered and controlled
  • By microprocessor directly

Package includes

  • Voice Recording Module with on-board Microphone – ISD1820 (Speaker is included in the packag

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