Technical Documents

ISD1820 Official Datasheet ISD1820 Technical Datasheet ISD1820 Product Data Sheet

EMA-00009-A

Name: ISD1820 Voice Recording & Playback Module
Brand: Generic
SKU: EMA-00009-A
Availability: InStock

(Last updated) Jun 11, 2026

ISD1820 Voice Recording & Playback Module

Audio Recorder Module

Description

The ISD1820 Voice Recording & Playback Module supports up to 10 seconds of audio recording stored in non-volatile memory. It features an onboard electret microphone, push-button recording and playback controls, and support for external triggering through a microcontroller. Ideal for Arduino projects, voice prompts, alarms, interactive electronics, educational kits, and sound playback applications.

Manufacturer Details

Manufacturer	Part Number
Nuvoton Technology Corporation	ISD1820
Generic / OEM	ISD1820-Voice-Rec-Module

Vendor Suppliers

Amazon ( india ) Amazon ( Japan ) Amazon ( USA ) Amazon ( canada ) Robu.in ( India ) FlyRobo ( India )

Application Resources

Sound playback Appnotes ISD1820 Voice/Audio Record and Playback Module Review + Tutorial

Technical Specifications

IC Chip	ISD1820
Operating Voltage (VDC)	3 – 5
Recording Duration	Up to 10 seconds
Memory Type	Non-Volatile Analog Flash
Microphone	Onboard Electret Microphone
Speaker	8 Ω, 0.5W
Speaker Cable Length (cm)	20
Speaker Diameter (mm)	40
Control Options	Push Buttons or Microcontroller Digital Pin
Interface	2.54 mm Header Pins
Length (mm)	42
Width (mm)	33.5
Height (mm)	11.5
Weight (g)	20
Shipping Weight	0.022 kg
Shipping Dimensions (L × W × H cm)	8 × 6 × 3