Original improved version Uno R3 ic chips atmega328

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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
uno r3
Input Voltage:
Digital IO pins:
Analog input pins:
DC Current per I/O Pin:
Clock Speed:
16 MHz
Operating voltage:
Input Voltage (limits):
USB Port:
Type B USB

Original improved version Uno R3 ic chips atmega328

Product Description
  1. Almost 11years experience in integrated circuit electronic components area.
  2. Factory supply directly, can design, manufacture according to clients’ requirement.
  3. Various products that can satisfy different clients’ requirement, including military, industry products.
  4. Plenty of stock that can satisfy urgent requirement.
  5. 24hours reply service.


NameUNO R3 development board improved version
USB to serial chipCH340G
Input Voltage (recommended)7-12V
Digital IO pins14 (of which 6 provide PWM output)
Analog input pins 6
DC Current per I/O Pin40 mA
USB PortType B USB
Clock Speed16 MHz
Operating voltage5V
Input Voltage (limits)6-20V
Pack Size12cm*12cm*8cm


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Company Information

Okystar Technology Co., Ltd is subsidiary of Okystar Technology Group Co., Ltd, which holds 4 subsidiary companies and more than 1500 skilled workers,50 technicians.Okystar Tech Co.,Ltd was built in 2004.We mainly manufacture and export 3D Printer, Board&shield, sensor module, Smart Car Robot, Smart DOF Robot, Servo, DIY toys ,Science toys, Mainboard,etc.

After 9years development, our company has grown into a large high-tech group corporation integrating industry, technology and trading. With electronic information industry as our main business, we keep being top 10 in the board, shield, sensor, modules.

Our Services
  1. Convenient & Friendly Customer Service.
  2. Low Prices Direct From Factory Suppliers.
  3. Fast Delivery Around The Globe.
  4. High Quality With Global Standards.
  5. 3 year factory warranty.
  6. Safe shipping way and payment.