This is the upgraded version. Now supports USB.  An extra row of header pins can be added to accomodate Dupont cables..

The UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.

The Uno is a microcontroller board based on the ATmega328. 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 Mini 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.

Technical specs
Microcontroller : ATmega328
Operating Voltage : 5V
Input Voltage (recommended) : 7-12V
Input Voltage (limit) :     6-20V
Digital I/O Pins : 14 (of which 6 provide PWM output)
PWM Digital I/O Pins : 6
Analog Input Pins : 6
DC Current per I/O Pin : 20 mA
DC Current for 3.3V Pin : 50 mA
Flash Memory : 32 KB (ATmega328P) of which 0.5 KB used by bootloader
SRAM : 2 KB (ATmega328P)
EEPROM : 1 KB (ATmega328P)
Clock Speed : 16 MHz
Length : 68.6 mm
Width : 53.4 mm
Weight : 25 g

This version uses the CH340 chip to allow USB connection.

Drivers are available https://www.driverguide.com/driver/download/USB-SERIAL-CH340

Connect to PC with Arduino IDE available at www.arduino.cc/en/Main/Software

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Arduino UNO R3 ATMEGA328P-16AU Compatible Micro USB

  • Product Code: Arduino UNO R3 ATMEGA328P-16AU Compatible Micro USB
  • Availability: 17
  • R125.00