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ICStation DIY Kit 3V-12V LM386 Super MINI Amplifier Board

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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 the output audio outputs.

Third, the use

Four, parts 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.

 

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First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.

1) Paypal Payment

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2) West Union


 

We know that some of you do not have the Paypal account. 

But please take it easy. You can use West Union payment method.
Learn more at West Union at www.westernunion.com.
 
For the receiver info, please contact us at orders@icstation.com.
 
3) Bank Transfer / Wire Transfer / T/T
 

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

For other payment method, please contact us at orders@icstation.com for more details.

1. Hongkong / Sinapore Airmail

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $3 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. EMS/DHL/UPS Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact orders@ICStation.com

(2) Shipping Time
Shipping time is 3-5 working day (about 1 week) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver in 2-3 day (DHL) or 1 week (EMS,) or 2 weeks (Registered Email), please pay attention to the arriving time of the package. 

Note:

1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
 
2) Contact Phone Number
Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.


3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links:

Registered Airmail: www.17track.net/en

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ICStation DIY Kit 3V-12V LM386 Super MINI Amplifier Board
$2.36
$2.95
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