Description
Uno R3 CH340G/ATmega328 – compatible with Arduino Uno R3 board. Built on Atmel ATmega328 microcontroller and USB-UART interface chip CH340G.
Board for functionality similar to Arduino Uno (ATmega 28).
The board used CH340G chip as UART-USB converter. CH340G chip.
When working in 12Mhz frequency, giving a stable result of data exchange (need to install drivers on the computer).
Uno R3 CH340G/ATmega328 – connects to the computer via a microUSB cable.
You can power the board via the MicroUSB connector or DC jack.
The voltage regulator (LDO) can handle an incoming voltage from 6V to 12V DC.
Output current for 5V – about 800mA, for 3.3V – about 180mA.
Specifications:
Microcontroller: ATmega328
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Digital I/O Pins: 14 (6 of which provide PWM output)
Analog Input Pins: 6
DC Current per I/O Pin: 40mA
DC Current for 3.3V Pin: 50mA
Flash Memory: 32KB (ATmega328) of which 0.5KB is used by the bootloader
SRAM: 2KB (ATmega328)
EEPROM: 1KB (ATmega328)
Clock Speed: 16MHz
CH340G USB Chip
Drivers:
Before connecting the board to your USB port:
Download the file “ch341ser.exe” and run it.
The software asks if it can install the CH341SER.INF driver for the CH340 chip. Click INSTALL
A Windows message asks if the driver is installed correctly. Click YES.
Connect your card.
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