Description:
Arduino UNO is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
CH340 is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over the USB bus ( CH340G supports serial interface only). The CH340G integrate circuit provides common MODEM signals to allow adding a UART to a computer or converting existing UART devices to the USB interface.
Warning: Although the written voltage in the datasheet is 12V, the maximum input voltage of Arduino UNO is 9V, if apply 12V, the board will damage.
Application:
Electronics Circuits
Electronic Projects
Specification:
Full-speed USB interface, compatible with Type-C
Operates with a minimum amount of external components:
a crystal and a minimum of four capacitors.
Provides a virtual serial port for upgrading existing serial port devices or adding serial ports to a PC.
Supports all existing applications using serial ports without the need of changing existing code.
Hardware full-duplex serial interface with internal FIFO. Baud rate ranges from 50bps to 2Mbps.
Supports common flow control signals RTS, DTR, DCD, RI, DSR, and CTS.
Supports RS232, RS422, and RS485 with external level-shifting components.
Supports 5V and 3.3V operation.
RoHS-compliant narrow body SO-16 package.
Features:
Microcontroller: ATmega328
Operating Voltage: 5V
Input voltage(Recommended): 7 - 9 volt
Digital I/O pins: 14 (6 pins used for PWM output)
Analog Pins: 6
I/O DC Current: 40mA
Flash memory: 32KB, 0.5KB used for Bootloader
Clock Frequency: 16 MHz
SRAM: 2 KB
EEPROM: 1KB