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ICStation ICSK025A DIY Kit Mini Power Amplifier LM386 Audio Amplifier Board Module DIY Kits DC 5V-12V

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Description

LM386 ultra miniature mini amplifier board kit instructions
Kit using the audio amplifier chip LM386, a simple external circuit, the audio signal is amplified. Circuit is simple, less use of components, welding easy. Sound volume are good, high cost, widely used in small speakers and other equipment.

First, the electrical characteristics
Operating voltage: DC 5 ~ 12V;
Driver Speaker: 0.5W-10W Speaker 1;
PCB Size: 36 * 39mm

Second, the circuit theory
The main circuit LM386 audio amplifier chip and audio input adjustment circuit.
By potentiometer can adjust the size of the input audio signal, thereby controlling the size of audio outputs.



Third, the use


Four, packing lists

Components
Label
Footprint
Value
Number
Ceramic capacitors
C1, C4
RAD-0.1
104
3
Electrolytic capacitor (25V/100UF)
C2
RB.15/.3
100UF
1
Electrolytic capacitor (25V/10UF)
C3
RB.1/.2
10UF
1
Electrolytic capacitor (25V/1000UF)
C5
RB.2/.4
1000UF
1
3mm red LED
D1
LED_3.5
 
2
Headphone seat
J1
3F07
 
1
Pin
J2, J5 , J4
HDR1X2
 
0.5
DO-005 Power Block
J3
DC-2.1MM
 
1
Resistance
R2
AXIAL-0.3
10
2
Resistance
R3
AXIAL-0.3
1K
2
Potentiometer
R4
VR_50K
10K
1
LM386
U1
DIP-8
 
1
IC Block 8P
 
 
 
1

Note:
The resistance value of 10 Euro, we suite offers 10 ohm resistor. This resistance is mainly a protective effect, does not require a lot of resistance.



Please Click Here to Download Material:

 

 

Tested by ICStation's Outstanding Partner The Unwanted Guy:

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(The language in the video is English)

Quantity50+150+300+
Price$1.99$1.85$1.71
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ICStation ICSK025A DIY Kit Mini Power Amplifier LM386 Audio Amplifier Board Module DIY Kits DC 5V-12V
$2.07
$2.95
31