Arduino Uno R3 with ch340

SKU: 1362 Categories: ,

EGP450.00

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Description

Key Features of UNO R3:
  • ATmega328 processor running at 16MHz
  • CH340 Serial to USB converter
  • 32KB Flash memory
  • 14 Digital I/O
  • 6 PWM shared with the digital I/O
  • 6 Analog inputs that can also be used as digital I/O for a total of up to 20 digital I/O
  • 1 Hardware serial port
  • 5V Operation

The Uno R3 operates at 5V which can be supplied via an external power supply or through the USB port connection. The power source is selected automatically if both are available. If an external supply is used, it is recommended to use a supply between 7-12V. Higher input voltages will cause the on-board regulator to work harder and may cause it to overheat. Our 7.5V AC adapter works extremely well for powering these boards.

The attached board pin-out shows the most commonly used functions for the pins, but some pins can support other functions. Refer the the Arduino documentation for all possible functions for the pins.

This is Uno design which uses a DIP processor placed in a socket. The benefit to this design is that it is easy to replace the processor should the chip become damaged, but it does cost more than the SMD version that we also sell.

The board uses the CH340 chip for USB communications. If you have any issues with connecting to the board, you may need to download a driver.  Just search for Arduino CH340 driver and you will find a number of sources for drivers depending on what Windows or Mac operating system you are using.

Technical Specifications
Microcontroller ATmega328P
Serial to USB Converter CH340
Operating Voltage 5V
Input Voltage 7-12V
Digital I/O Pins 14
PWM I/O Pins (Shared with Digital I/O) 6
Analog Input Pins 6
DC Current per I/O Pin 20mA
DC Current which can be drawn from 3.3V Pin 50mA
Flash Memory 32 KBytes
SRAM 2 KBytes
EEPROM 1 KBytes
Clock Speed 16MHz
Built-in LED Attached to digital I/O Pin 13
USB Connector Style B-Type Female
Board Dimensions (PCB) 68.8 x 53.4mm (2.7 x 2.1″)
Board Dimensions (with connector overhang) 77 x 53.4mm  (3 x 2.1″)
Mfr China

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Weight

0.0000 g