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ISD1820 Audio Recording Module – Voice Recorder & Playback Board with Onboard Microphone and Speaker Output | Compatible with Arduino, Raspberry Pi & DIY Electronics | India
ISD1820 Audio Recording Module – Voice Recorder & Playback Board with Onboard Microphone and Speaker Output | Compatible with Arduino, Raspberry Pi & DIY Electronics | India
SKU:AA112
20 in stock
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Delivery Time
Delivery Time
- Delivery time with the Express Shipping option is 2-3 working days, and with the Standard Shipping option is 5-6 working days. It varies based on location, reliant on courier services.
- Delivery time if the order item is on Preorder Status is 15-20 working days.
COD (Cash on Delivery)
COD (Cash on Delivery)
- For COD you have to pay extra charges of Rs 350/- before the shipment. (We will share the company QR Code, UPI ID or Account details for the same)
Description:
The ISD1820 Audio Recording Module is a compact, easy-to-use voice recording and playback module capable of storing up to 8–20 seconds of audio. It features an onboard microphone, built-in recording/playback buttons, and speaker driver output, making it ideal for Arduino, Raspberry Pi, ESP32, STM32, and standalone sound-triggered projects.
Perfect for talking toys, smart greetings, alarms, voice prompts, home automation, robotics, and creative DIY projects across Delhi NCR, Mumbai, Bangalore, Hyderabad, Pune, and all of India.
Just press REC to record audio and press PLAY or PLAYE for playback — no coding required.
Specifications:
| Model | ISD1820 Voice Recording Module |
| Recording Time | 8–20 seconds (adjustable) |
| Operating Voltage | Operating Voltage |
| Audio Format | Analog voice storage |
| Microphone | Onboard electret mic |
| Speaker Output | 8Ω 0.5W–1W |
| Interface Buttons | REC, PLAY, PLAYE |
| Trigger Pins | REC, PLAY, PLAYE, FT (Feed Through), P-E |
| Control Compatibility | Arduino, ESP32, ESP8266, Raspberry Pi |
| Signal Input | TTL |
| Potential Adjuster | Volume control (varies by batch) |
| Onboard Amplifier | Yes (for small speakers) |
| Dimensions | ~38mm × 42mm |
| Weight | ~10g |
Features:
- 🎤 Built-In Electret Microphone
High-quality mic enables clear audio recording directly on the module. - 🔊 Up to 20 Seconds of Audio Storage
Default 8–12 seconds, expandable up to 20 seconds with resistor adjustments. - 🔄 Multiple Playback Modes
- PLAY → plays once
- PLAYE → playback as long as button is pressed (edge-triggered)
- 🔌 Onboard 0.5W Speaker Driver
Connect small 0.5W–1W 8Ω speakers directly without extra amplifier. - ⚡ Standalone or Microcontroller Control
Use buttons or trigger playback via Arduino/RPi digital pins. - ✅ Ready-to-Use Board
No external components required — ideal for quick prototyping. - 🔧 Wide Voltage Support (2.7–5V)
Compatible with batteries, Arduino 5V pins, or USB power modules. - 🧩 Perfect for DIY Voice-Based Electronics
Talking systems, toys, alarms, door messages, product prototypes
Applications & Use Cases:
-
🧸 Talking Toys & Sound Modules
Record custom messages, sound effects, greetings, toy voices. -
🏠 Home Automation
Voice alerts for doors, reminders, entry alarms. -
🤖 Robotics
Robot speech, alert tones, status messages. -
🎁 Custom Greeting Gifts
Personalized gifts with custom recorded voice. -
🚨 Security Alarms
Talking alarms, intruder warnings, voice-triggered systems. -
🧪 Prototyping & Innovation
Perfect for engineers, students & makers building voice-enabled devices. -
📚 STEM & School Projects
Ideal for Atal Tinkering Labs and voice-based science projects.
Package Included:
- 1 x ISD1820 Audio Module
- 1 x Loudspeaker
- 1 x Free Cables
Add voice, sound, and personality to your electronics!
The ISD1820 module is easy, reliable, and perfect for all voice-enabled DIY projects.
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