Arduino UNO R3, ATmega328P, Clone

Product detailed description

The most popular Arduino board on the market. It is an ideal board for beginners but also for advanced players. It offers a good compromise between price and performance.

Thanks to the integrated USB connector and USB converter, you can record the program to the board without any special wiring. The board also offers a standard power connector that can be used to power the board, for example from a battery or from a power adapter. On the software side, the board is programmed via the integrated development environment Arduino IDE, which offers a simple and clear WIRING programming language.

The clone differs from the original in that it does not use an ATmega16U/8U based converter, but instead uses a CH340G or similar converter.

ATTENTION! We are starting to encounter an error with the latest driver of the CH340 converter manufacturer, when the driver is installed, the COM port is also visible in the device manager, but when trying to upload the software to the board, the upload ends with an error "can't set com-state for "\\.\COMx". The solution is to reinstall the current driver with an older version. We have added the functional version for download in the Related Files section.

We have also encountered an issue where reinstalling an older driver does not work, this is an issue in conjunction with Windows 11. Unfortunately, there is no solution at present. If you have Windows 11, we recommend buying a board without a CH340 converter, e.g. this one: https://www.laskakit.cz/arduino-uno-r3--atmega328p--precizni-klon/.

Specifications:

• Microcontroller ATmega328P or ATmega328PB
• CPU frequency up to 20MHz
• FLASH 32KB
• EEPROM 1KB
• SRAM 2KB
• 14x digital I/O
• 1x 10-bit ADC 6 channels
• 6 PWM channels
• 2x 8-bit timer - separate Prescaler + Compare Mode
• 1x 16-bit timer - separate Prescaler + Compare Mode + Capture Mode
• 1x programmable Watchdog timer with separate integrated oscillator
• 1x USART
• 1x SPI
• 1x I2C
• 1x analog comparator
• 1x real time circuit - RTC with separate oscillator
• Interrupt and Wake-up when changing the level on a pin
• Oscillators, reset and power management:
  • Power supply 1.8 - 5.5V
  • Power-on Reset and Programmable Low Voltage Detector (Brown-out)
  • External up to 20MHz oscillator for CPU
  • Internal 8MHz oscillator for CPU
  • Internal oscillator for RTC
• Low power mode:
  • Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby

Development board

• The board has the same dimensions and layout of input/output connectors as the original Arduino UNO R3
• Input voltage 6 - 12V - power supply coaxial connector 5,5/2,1
• 5V power supply - maximum current consumption 800mA
• Power supply 3,3V - maximum current consumption 180mA
• Integrated ISP programmer with CH340G converter and USB-B connector
• Integrated ICSP connector for external programmer
• Reset button
• 16MHz crystal
• Integrated LEDs - RX,TX and power supply
• Integrated LED - L program controlled
• The board can be powered via USB connector, power connector, or power pins
• Weight: 22g

Delivery components:

• 1pc Arduino UNO R3, Clone

Remark:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.