ISD1820 sound recorder with microphone and speaker

Product detailed description

Module with integrated microphone for sound recording and reproduction with the possibility of controlling with buttons or TTL logic levels, e.g. using an Arduino. The total recording capacity is 10 seconds and can be set between 8-20sec by changing resistor R2. Integrated amplifier for 8 ohm speaker connection.

Specifications:

• Chip: ISD1820
• Power supply: 3 - 5V
• Control by buttons or TTL levels. e.g. using Arduino
• Recording length 8-20sec, factory set to 10sec
• Transmitted bandwidth: 1.3kHz/20sec - 3.4kHz/8sec
• Speaker impedance: 8Ω
• Dimensions: 55×38×16mm

Instructions:

• Button or REC pin-When the REC button is pressed or the REC pin is high (log.1), the circuit records audio until the button or log.0 level is released or the memory is full. In this mode, the red LED is lit.
• PLAYE button or pin P-E- Pressing the PLAYE button or a short-term high level on pin P-E will play the entire message
• PLAYL button or pin P-L- The message will only be played while this button is pressed or high level on pin P-L
• F-T (Feed-thru) Connector - If connected, the feed-thru is also connected during recording

Included in delivery:

• 1pc Sound Recorder ISD1820 with microphone and speaker

Remark:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.