ISD1820 Voice Recording Module with Loudspeaker

Give Your Projects a Voice—Loud and Clear

Every smart device needs a voice—and the ISD1820 voice recording module is designed to deliver it. Whether you’re building a talking robot, an alert system, or a smart doorbell, this compact module records, stores, and plays back sound with astonishing clarity. Featuring a built-in microphone and speaker, it allows you to record your message and hear it instantly—no external programming required.

Perfect for educators, students, hobbyists, and embedded system engineers across Islamabad and Pakistan, the ISD1820 brings your electronics to life with sound.

Why the ISD1820 Voice Recording Module Stands Out

• Plug & Play Design
  Comes pre-wired with a loudspeaker and onboard microphone—no extra components needed.

• Supports Instant Playback
  Press and play your recordings with tactile buttons for easy testing and demoing.

• Expandable & Arduino-Compatible
  Easily interface with Arduino, Raspberry Pi, ESP32, and other microcontrollers.

• Up to 20 Seconds of Voice Memory
  Offers short voice recording cycles ideal for automation messages or audio feedback.

• Compact & Durable Build
  Small footprint with solid PCB design makes it perfect for DIY projects, learning kits, and prototypes.

Technical Specifications

• Model: ISD1820

• Power Supply: 3V – 5V DC

• Recording Time: Up to 20 seconds

• Microphone: Built-in electret mic

• Speaker Output: 0.5W – 8Ω speaker included

• Control Options: Manual buttons or MCU controlled

• Playback Modes: Edge-triggered (play once) or level-triggered (loop playback)

• Dimensions: Approx. 37mm x 54mm

Experience Real Sound, Instantly

Picture this: you’re creating a DIY security alert system that greets or warns visitors, a toy that talks back, or a school science project that narrates facts. With the ISD1820 voice recording module, all you need is your imagination—and this tiny powerhouse. It captures your voice in real-time and plays it back with satisfying clarity.

The result? More engaging, more interactive, and more impactful projects—no code delays, no programming frustrations.

Topic Clusters

Frequently Asked Questions

• Can I use ISD1820 with Arduino?
  Absolutely! Just connect the module’s pins to your Arduino using jump wires. Full libraries and tutorials are available online.

• How long does the module record?
  It stores up to 20 seconds of voice or sound recording in non-volatile memory.

• Does it come with a speaker?
  Yes, this version includes a matching loudspeaker for immediate playback.

• Can I record multiple messages?
  It records a single message at a time, but you can re-record as often as you like.

• Can I control it with a microcontroller?
  Yes, its PLAYE, PLAYL, and REC pins allow easy MCU interfacing for automatic voice triggering.

Popular Use Cases

• Voice-Activated Smart Devices – Add audible feedback to your home automation systems.

• Interactive Toys – Let your DIY toy projects talk and respond.

• Educational Kits – Use it in STEM kits to demonstrate real-time audio feedback.

• Security Systems – Playback warning messages in access control or alarm systems.

• Greeting Cards or Displays – Trigger recorded audio in exhibition or festive applications.

How It Improves Your Projects

From a simple voice playback to enhancing user interaction, the ISD1820 voice recording module brings a human touch to electronics. Whether you’re an Islamabad-based maker or an educator running practical labs, this module empowers creativity and functionality without needing complex code or costly tools.

Your ideas deserve to be heard—literally.

Call to Action

Don’t settle for silent circuits. Give your project a voice with the ISD1820 voice recording module with loudspeaker, available now on Colgroad. Order today for fast shipping across Islamabad and all over Pakistan.

Why Buy From Colgroad?

Colgroad delivers quality-tested electronic components to innovators across Pakistan. Our ISD1820 voice recording module is stocked locally and verified for performance—ensuring every order powers your ideas, not problems.