ISD1820 Voice Recording & Playback Module with Speaker

Records up to 10 seconds of audio
Built-in microphone & speaker included
Supports multiple playback modes
Non-volatile flash memory
Compatible with Arduino and DIY projects

SKU: EK1832 Categories: Sensors, Sound Sensor Tags: Sensors, Sound Sensor

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Description

Add custom audio prompts, sound effects, or emergency voice alerts to your next hardware build with the ISD1820 Voice Recording Module. Designed for simplicity and versatility, this standalone audio recorder features an onboard microphone and includes a compact 8Ω speaker for immediate audio output. The non-volatile memory ensures your recordings are saved securely even when power is disconnected. Whether you are adding voice feedback to an Arduino-based robotics project, building an interactive display, or integrating custom audio into a safety alert system, this module offers seamless push-button control alongside easy microcontroller integration.

Key Features

Complete Audio Solution: Comes fully equipped with an onboard microphone for recording and an included 8Ω 0.5W speaker for direct audio playback.
Dual Control Modes: Operates perfectly as a standalone device using the onboard push buttons, or interfaces easily with microcontrollers (like Arduino or ESP32) via standard digital I/O pins.
Non-Volatile Storage: Audio recordings are stored in flash memory, meaning messages are retained indefinitely without requiring a backup battery.
Versatile Playback: Supports edge-triggered playback (press once to play the entire message) and level-triggered playback (plays only while the button/pin is held high).
Adjustable Recording Time: Defaults to a high-quality 10-second recording limit, which can be modified via external resistor changes for up to 20 seconds of audio.
Direct Speaker Drive: The onboard audio amplifier is capable of driving the included speaker directly without needing extra amplification hardware.

Technical Specifications

Specification	Detail
Main Chip	ISD1820
Operating Voltage	3.0V – 5.0V DC
Recording Time	10 seconds (default standard)
Speaker Specifications	8Ω, 0.5W (Included)
Control Pins/Buttons	REC (Record), PLAYE (Play Edge), PLAYL (Play Level)
Audio Storage	Non-volatile (Zero-power message retention)
Dimensions (Module)	~38 mm × 42.5 mm
Mounting	4 pre-drilled M3 mounting holes

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Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
ISD1820	REC/PLAYE/PLAYL	3 board digital pins (or use its onboard buttons standalone)

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ISD1820 Voice Recording & Playback Module with Speaker

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

Wrap

ISD1820 Voice Recording & Playback Module with Speaker - Arduino Uno

ISD1820 Voice Recording & Playback Module with Speaker - Arduino Nano

ISD1820 Voice Recording & Playback Module with Speaker - Arduino Mega

ISD1820 Voice Recording & Playback Module with Speaker - ESP32

ISD1820 Voice Recording & Playback Module with Speaker - ESP8266

ISD1820 Voice Recording & Playback Module with Speaker - STM32

ISD1820 Voice Recording & Playback Module with Speaker - Raspberry Pi Pico

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_arduino_uno.inoArduino Uno

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5// PLAYE trigger pin 2 on Arduino Uno (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_arduino_nano.inoArduino Nano

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5// PLAYE trigger pin 2 on Arduino Nano (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_arduino_mega.inoArduino Mega

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5// PLAYE trigger pin 2 on Arduino Mega (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_esp32.inoESP32

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5// PLAYE trigger pin 4 on ESP32 (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN 4

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_esp8266.inoESP8266

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5// PLAYE trigger pin D4 on ESP8266 (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN D4

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_stm32.inoSTM32

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5// PLAYE trigger pin PB4 on STM32 (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN PB4

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

📄 File: isd1820_voice_recording_&_playback_module_with_speaker_-_raspberry_pi_pico.inoRaspberry Pi Pico

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5// PLAYE trigger pin 2 on Raspberry Pi Pico (REC and PLAYL can be wired the same way to other digital pins, or left to the module's onboard buttons)

6#define PLAYE_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(PLAYE_PIN, OUTPUT);

11 digitalWrite(PLAYE_PIN, LOW);

12}

14void loop() {

15 digitalWrite(PLAYE_PIN, HIGH); // trigger playback (edge-activated: plays once, full message)

16 delay(100);

17 digitalWrite(PLAYE_PIN, LOW);

18 delay(5000);

19}

Project Notes:

Standalone record/playback module - control pins are simple digital triggers, no data protocol.

نظرة عامة ومواصفات المنتج — بالعربية

ISD1820 Voice Recording & Playback Module with Speaker متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Sensors وSound Sensor، بسعر 75,00 EGP. كود المنتج لدينا: EK1832. المنتج غير متوفر حالياً — تواصل معنا عبر واتساب لمعرفة موعد توفره القادم.

أهم المواصفات الفنية:

Module Type: Voice Recording and Playback
Chip: ISD1820
Recording Time: Up to 20 seconds
واجهة الاتصال: Push-button / Trigger input
Operating Voltage: 3–5V DC
Speaker: Built-in small speaker (8Ω 0.5W typical)
الخامة: PCB with electronic components
Usage: DIY voice projects, alarms, toys, and audio notifications

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Sensors في إكوسترا.

Specification

WeightWeight	6 g
Dimensions	3 × 2 × 1 cm
Module Type	Voice Recording and Playback
Chip	ISD1820
Recording Time	Up to 20 seconds
Interface	Push-button / Trigger input
Operating Voltage	3–5V DC
Speaker	Built-in small speaker (8Ω 0.5W typical)
Material	PCB with electronic components
Usage	DIY voice projects, alarms, toys, and audio notifications