Uno R3 Improved Version CH340 Chip – Kuongshun Electronic Shop
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Uno R3 Improved Version CH340 Chip

  • $6.90
  • Brand: Kuongshun Electronic
  • Availability: In Stock
  • SKU: AA003

UNO R3 CH340 Chip Improved Version Board for Arduino    The Arduino Uno R3 is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins...

Tags: Arduino Board , ch340 , UNO R3

UNO R3 CH340 Chip Improved Version Board for Arduino 

 

The Arduino Uno R3 is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, 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 a AC-to-DC adapter or battery to get started.


Microcontroller: ATmega328
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 6
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
SRAM: 2 KB (ATmega328)
EEPROM: 1 KB (ATmega328)
Clock Speed: 16 MHz

Schematic:

Uno R3 Schematic