ISD1820 Voice Recording Module - Mic Sound Audio Loudspeaker

ISD1820 Voice Recording Module – Microphone & Speaker The ISD1820 Voice Recording Module is a compact and easy-to-use voice recording and playback module designed for Arduino, ESP32 and other DIY electronics projects. It allows you to record, store and play back short voice messages using an onboard microphone and speaker connection. The module is ideal for voice announcements, sound effects, alarms, robotic projects and educational applications. Key Features Module: ISD1820 Voice Recording & Playback Module Built-in microphone for voice recording Supports recording and playback of voice messages Simple REC, PLAYE and PLAYL control buttons Onboard amplifier circuit External speaker connection Non-volatile voice storage Easy interface for Arduino and other microcontrollers Compact module suitable for DIY projects LED indication for operation Can be triggered manually or through external control signals Technical Specifications Model: ISD1820 Operating Voltage: 3.3V–5V DC Recording IC: ISD1820 Recording Duration: Approximately 10 seconds Audio Input: Built-in microphone Audio Output: Speaker Speaker: Typically 8Ω speaker Control: REC / PLAYE / PLAYL Recording Method: Digital voice recording Interface: Digital control pins Memory: Non-volatile voice storage Board Type: Voice recording/playback module Control Functions REC: Press and hold to record your voice. PLAYE: Plays the recorded message once. PLAYL: Plays the recorded message while the button/input is activated. FT: Feed-through function for direct microphone-to-speaker operation on supported boards. VCC: Positive power supply. GND: Ground connection. Applications Arduino voice projects ESP32 projects Talking robots Voice announcement systems Doorbell projects Alarm systems Security warning systems Voice-controlled DIY projects Sound-effect devices Electronic toys School and university projects Interactive displays Automation projects Advantages Easy to operate No complicated programming required for basic recording/playback Built-in microphone Simple push-button control Can also be controlled using a microcontroller Small and lightweight Suitable for beginners and electronics students Package Includes 1 × ISD1820 Voice Recording Module 1 × Speaker (if included with your product package) Short Website Description ISD1820 Voice Recording Module with Microphone & Speaker is an easy-to-use voice recording and playback module with approximately 10 seconds of recording capacity. It features a built-in microphone, speaker interface and simple REC/PLAY controls. Ideal for Arduino, ESP32, robotics, alarms, voice announcements, electronic toys and DIY electronics projects.