SEN0197 Datasheet by DFRobot

VoiceRecorder‐ISD1820SKU:SEN0197
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VoiceRecorderISD1820
Contents
1Introduction
2Specification
3BoardOverview
4ManualControl
5ArduinoControl
o
5.1Requirements
o
5.2ConnectionDiagram
o
5.3SampleCode
6FAQ
Introduction
This is the latest ISD1820 voice recorder module with integrated record and play functions.
Easily record your voice by pressing the record button, speaking and then releasing the button
when finished. The module is able to playback 10 seconds in total. Connect an 8 3W speaker or
an external active speaker for voice output. The module also has a 3 pin digital interface so you
can connect it to an Arduino compatible microcontroller as a playback trigger.
Specification
Operatingvoltage:5V
Recordingtime:10seconds
Samplingfrequency:6.4KHz
Repeatablerecordingtimes:100,000
Dimensions:37*35mm/1.46*1.38incheBoardOveview
BoardOverview
NameFeatures
SPK1Speaker(Supports8Ω@3Wspeaker)
SPK2ActiveSpeaker
PLAYPlayAudio
RECRecord(Releasethebuttontostoprecording)
ManualControl
1. Presstherecordbuttontorecord;releasethebuttontostoprecording.Themodulesupports
10sofrecordingandtheredLEDontheboardwillflashwhenthebufferisfull.
2. Presstheplaybuttontoplaytherecording;Attheendofplayback,theredLEDontheboardwill
flashonce.
3. ThismodulecancontrolplaybackwithanArduinocompatiblemicrocontroller.Seebelowfor
details.
ArduinoControl
Requirements
Hardware
o DFRduinoUNOx1
o IOexpansionshieldV7x1
Software
o ArduinoIDEV1.6.5ClicktoDownloadArduinoIDEfromArduino®
o https://www.arduino.cc/en/Main/Software
ConnectionDiagram
SampleCode
1 int Play_pin = 2;
2 void setup() {
3 pinMode(Play_pin,OUTPUT);
4 digitalWrite(Play_pin,LOW);
5 }
6
7 void loop() {
8 digitalWrite(Play_pin,HIGH);
9 delay(1000);
10 }
FAQ
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