Voice Record Module (ISD1820) Applications 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 Features 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 Package includes Voice Recording Module with on-board Microphone – ISD1820 (Speaker is NOT included)

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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