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MINI USB Nano V3.0 ATmega328P CH340G 5V 16M Micro-controller Board
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
Am 06.03.2023 hat der Verkäufer die folgenden Angaben hinzugefügt: