We are professional industrial&electronic Categorie manufacturers in China. We have been working in this field for almost 10 years!
Our products include all kits&welded products for Andruino, Raspberry Pi, or mini flights.
If you have any needs, pls contcact us for free, we will help you get all things you need.
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 LCR Transistor Tester 

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Raspberry Pi

PH Meter

Relay Module

TL866II Plus

SG90

Product Details

Nano CH340G board

Features:
12 Digital input / output ports:D2 ~ D13.
8 analog inputs ports:A0 ~ A7.
1 pairs of TTL level serial transceiver ports RX / TX.
6 PWM ports:D3, D5, D6, D9, D10, D11.
Using Atmel Atmega328P-AU MCU.
Support USB download and Power.
Support for external 5V ~ 12V DC power supply.
Support power supply by 9V battery.
Support ISP download.

Specifications:
12 Digital input / output ports: D2 ~ D13
8 analog inputs ports: A0 ~ A7
Bluetooth version: Bluetooth 4.0
Board Size: about 45 * 20 * 3mm
Net Weight: 6g

Package includes:
1 x Mini Module Board with ATMEGA328P for Arduino Nano V3.0
2 x 1*20 2.54 Single Row Breakable Pin Header

PAM8403 Amplifier Board

Features:
Can use the computer USB port 5V power supply
or using a mobile phone charger USB port 5V power supply
battery power can also be used
high efficiency:90%
can provide 3W (left channel) +3 W (right channel) output power in the 4Ω load and 5V power supply conditions
A class, B class amplifier such efficiency is only about 30%
D class amplifier is highly respected today
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
but do not add heat sink and take less space
noise canceling circuit was built in the amplifier board
power on / off without pop noise
module has a short-circuit current protection and over-temperature protection

Application:
LCD TVs, monitors,
Laptop
Portable Speakers
Portable DVD players, game consoles
Phone / speakerphone

Specifications:
Operating voltage: 2.5V-5.5V
Speaker With:4-8ohms recommended: 4 ohms
Speaker Power: 2-8W

Size:21 x 18 x 3.4mm (L x W x H)
Color:As the pics show
Net weight: 1g
Package weight: 11g

Package include:
1 x amplifier board

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  • Payment must be received in 5 business days of auction closing.
  • Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
  • Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
  • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
  • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

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