Joy-it SBC-SOUNDMODULE Manuel utilisateur

Joy-IT powered by SIMAC Electronics GmbH - Pascalstr. 8 - 47506 Neukirchen-Vluyn - www.joy-it.net

SBC-SOUNDMODULE

Soundrecorder ISD1820

1. GENERAL INFORMATION

Dear Customer,

Thank you for choosing our product. In the following, we will show you

what to consider during commissioning and use.

Should you encounter any unexpected problems during use, please feel

free to contact us.

This sound module has a sound recorder and a playback device. It is

equipped with an ISD1820 chipset and has a recording time of about 8 to

20 seconds. It can be controlled via a built-in keypad and has a 0.5 watt

speaker and microphone.

2. CHANGING THE RECORDING TIME AND SAMPLING RATE

In this section we briefly explain the individual functions of the pins to

which you can connect your microcontroller or single board computer.

This is not a detailed explanation and only serves to explain the pins.

3. PIN ASSIGNMENT

VCC: 3.3V Power supply.

GND: Ground connection.

FT (Feed Through): Allows the

microphone to be output directly to

the speaker.

P-L (PLAYL): Playback, when the pin

changes from LOW to HIGH a

playback cycle is initiated.

P-E (PLAYE): Play endlessly, Plays the

recorded endlessly.

REC: Is active-HIGH and has priority

over the signals P-E and P-L. When

the pin is set HIGH, this activates the

recording.

To set the recording duration and sampling rate to a dierent value, it is

necessary to solder on a dierent resistor. The value of the resistor deter-

mines the duration of the recording and the sampling rate, which can va-

ry in the range from 8 to 20 seconds (with a sampling rate of 3-8 kHz). In

the following picture the resistor to be changed is marked. A table shows

you which resistors are required for which settings.

Widerstandswert Dauer Abtastrate Bandbreite

80K Ω 8 Sekunden 8.0KHz 3.4KHz

100K Ω 10 Sekunden 6.4KHz 2.6KHz

120K Ω 12 Sekunden 5.3KHz 2.3KHz

160K Ω 16 Sekunden 4.0KHz 1.7KHz

200K Ω 20 Sekunden 3.2KHz 1.3KHz

4.2 Code example

Please copy the following sample code completely into your Arduino IDE.

You can then upload this code example to your Arduino. Please make

sure that port and board are set correctly under Tools. Alternatively you

can download the code sample here.

Aer successful transfer of the code, the module will alternately start a

10-second recording and play it back aerwards.

4.1 Connecting the module

Connect the capture device to the pins of the Arduino as shown in the

following picture or table.

4. USE WITH THE ARDUINO

Arduino Soundmodule

5V VCC

GND GND

13 P-E

12 REC

5. USE WITH THE RASPBERRY PI

5.1 Connecting the module

Connect the capture device to the pins of the Raspberry Pi as shown in

the following picture or table.

int recording = 12;

int play = 13;

void setup()

{

Serial.begin(9600);

pinMode(recording , OUTPUT);

pinMode(play, OUTPUT);

}

void loop()

{

Serial.println("Recording started!");

digitalWrite(recording , HIGH);

delay(10000);

digitalWrite(recording , LOW);

Serial.println("Recording finished!");

delay(5000);

Serial.println("Playback started!");

digitalWrite(play, HIGH);

delay(10000);

digitalWrite(play, LOW);

Serial.println("Playback finished!");

delay(100);

}

5.2 Code example

Once you have completed the installation and booted the system, open

the terminal console and run the following command:

In the window that opens, please enter the following code completely.

Alternatively you can download the code example here download it

here .

nano ISD1820.py

from time import sleep

import RPi.GPIO as GPIO

GPIO.setwarnings(False)

GPIO.setmode(GPIO.BCM)

pe=13

rec=11

GPIO.setup(pe,GPIO.OUT)

GPIO.setup(rec,GPIO.OUT)

GPIO.output(pe,0)

GPIO.output(rec,0)

def recording():

sleep(3)

print("Recording starts")

GPIO.output(pe, 1)

sleep(10)

GPIO.output(pe, 0)

sleep(5)

print("Recording finished")

def play():

print("Playback starts")

GPIO.output(rec, 1)

sleep(1)

GPIO.output(rec, 0)

sleep(10)

print("Playback finished")

while True:

recording()

play()

Raspberry Pi Soundmodule

5V VCC

GND GND

GPIO 14 (Pin 8) P-E

GPIO 15 (Pin 10) REC

You can save your input with the key combination CTRL+O and leave the

editor with CTRL+X.

You can then start the example with

and end it with CTRL+C.

python3 ISD1820.py

Published: 4.24.2023

www.joy-it.net

SIMAC Electronics GmbH

Pascalstr. 8, 47506 Neukirchen-Vluyn

4. ADDITIONAL INFORMATION

Our information and take-back obligations according to

the Electrical and Electronic Equipment Act (ElektroG)

Symbol on electrical and electronic equipment:

This crossed-out dustbin means that electrical and electronic

appliances do not belong in the household waste. You must return the old

appliances to a collection point.

Before handing over waste batteries and accumulators that are not

enclosed by waste equipment must be separated from it.

Return options:

As an end user, you can return your old device (which essentially fulfills

the same function as the new device purchased from us) free of charge for

disposal when you purchase a new device.

Small appliances with no external dimensions greater than 25 cm can be

disposed of in normal household quantities independently of the

purchase of a new appliance.

Possibility of return at our company location during opening hours:

SIMAC Electronics GmbH, Pascalstr. 8, D-47506 Neukirchen-Vluyn,

Germany

Possibility of return in your area:

We will send you a parcel stamp with which you can return the device to

us free of charge. Please contact us by email at Service@joy-it.net or by

telephone.

Information on packaging:

If you do not have suitable packaging material or do not wish to use your

own, please contact us and we will send you suitable packaging.

5. SUPPORT

If there are still any issues pending or problems arising aer your purcha-

se, we will support you by e-mail, telephone and with our ticket support

system.

Email: service@joy-it.net

Ticket system: http://support.joy-it.net

Telephone: +49 (0)2845 9360-50 (10-17 o‘clock)

For further information please visit our website:

www.joy-it.net

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