ISD1820 Voice Recording & Playback Module Sound Sensor with Microphone and 8 Ohm Speaker

The ISD1820 Voice Recording Module is a compact and beginner-friendly sound sensor module, perfect for microcontroller platforms like Arduino, ESP32, and ESP8266. It supports up to 10 seconds of clear voice recording and playback. The module can directly drive an 8Ω 0.5W speaker, or connect to an external amplifier for louder output.

1. ISD1820 Recording Mode

Press and hold the REC button to record audio. The REC LED lights up while recording. Release the button to store the voice instantly.

2. ISD1820 Playback Mode

This module offers three playback options:

• A. PLAYE: Plays the stored recording until it ends or power is off.
• B. PLAYL: Plays only while the button is pressed.
• C. REPEAT: Loops the recording until switched off or power is disconnected.

Key Features

• 10-second voice recording and playback
• High-quality and natural sound
• Loop, jog, and single play modes
• Can work as a megaphone or loudspeaker module
• Direct microcontroller integration via SCM control
• Supports direct drive for 8Ω 0.5W speakers

Technical Specifications

• Operating Voltage: 3V – 5V
• Board Size: 54 x 38 mm (compact design)
• On-board ISD1820 IC and microphone for direct voice recording
• Record/playback via buttons or microcontroller IO pins

Enhance your Arduino, ESP32, or Raspberry Pi projects with the ISD1820 Voice Recording & Playback Module. Ideal for DIY electronics, robotics, and sound-based projects. Order online in Pakistan today for reliable, high-quality audio at affordable prices.