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Monday Kids 20S 20 Seconds Voice Sound Recording Recorder Module Kit D1820P DIY Kits Precise DC 3-5V Talking Music Audio Recordable

$3.21

Product name is 20S 20 Seconds Voice Sound Recording Recorder Module Kit D1820P DIY Kits Precise DC 3-5V Talking Music Audio Recordable...

Product origin name is Monday Kids 20S 20 Seconds Voice Sound Recording Recorder Module Kit D1820P DIY Kits Precise DC 3-5V Talking Music Audio Recordable

Availability: In stock
SKU
EK709

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  • Brand Name: Monday Kids
  • Supply Voltage: DC 3-5V
  • Application: Computer
  • Condition: New
  • Type: Logic ICs
  • is_customized: Yes
  • Model Number: Recorder Module

Description:

This suite adopts 20s voice recording circuit Monday KidsD1820P to achieve the save and restore of voice signal. The chip adopts CMOS technique, the no power consumption information can be saved for 100 years. Integrated circuit pin function is: 11 pin is power positive (VCC); 8, 14 pin connects power negative (GND); 1 pin is recording port (REC), high level valid; when the REC gets higher, the chip will start recording; 2 pin is edge trigger play (PLAYE); when this port has high level, the chip will start playing the voice; after playing, it can release PLAYE; 13 pin is recording indication port (RECLED); when it is on recording state, this port is low, and it can drive LED; 4, 5 pin connects microphone input port (MIC); 6 pin connects auto gain control (AGC) port; 7, 9 pin connect loudspeaker output (SP+, SP-), and it can directly more than 8 ohm loudspeaker; 10 pin connects oscillation resistor (ROSC), connect oscillation resistor to GND. Adjust oscillator resistor R4 connected with ROSC, it can stepless adjust the voice speed; the shorter of the recording voice, the better of the sound quality will be; otherwise, it will be worse.Note: please do not adjust the resistor for too small, we recommend more than 100K ohm


Parameter:


1.Operating Voltage: DC 3-5V

2. Component List:

NO.

Component Name

PCB Marker

Parameter

Quantity

Remarks

1

Metal film resistors

R1

470ohm

1

2

Metal film resistors

R2

100K

1

3

Metal film resistors

R3,R4

4.7K

2

4

IC Socket

U1

DIP-14

1

5

Monday KidsD1820

U1

DIP-14

1

Install on IC socket

6

Switch

S1,S5

3mm

2

7

Male Pin

J1

5P

1

8

Cable

4

9

Ceramic capacitors

C1,C2,C3

0.1uf 104

3

10

Ceramic capacitors

C5

0.001uf 102

1

11

Electrolytic capacitor

C4

10uF

1

12

Speaker

SP

8ohm 0.5W

1

13

Microphone

MIC

5mm

1

14

Button

S2,S3,S4

6*6mm

3

15

LED

LED

3mm

1

16

PCB

45*34mm

1


NOTE: You can complete the installation by PCB silk screen and component listing




  • Unit Type: piece
  • Package Weight: 0.03kg (0.07lb.)
  • Package Size: 15cm x 12cm x 10cm (5.91in x 4.72in x 3.94in)
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