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47 Ratings (68% Positive)
  • $14.99

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UNO R3 Development Board with USB Cable for Arduino

In stock.
Ships from China.
Most customers receive within 11-33 days.
  • Can be powered via the USB connection
  • Memory: Has 32 KB (with 0.5 KB used for the boot loader)
  • Can be programmed with the Arduino software
  • Can be rset by software running on a connected computer
Overview
Specs
Reviews
Product Features:
Microcontroller: ATmega328P
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Digital I/O Pins: 14 (of which 14 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
EEPROM: 1 KB
Clock Speed: 16 MHz

Difference between UNO R3 2012 and UNO 2011
1. Pin of changes: next to the AREF pin both I2C-pin (SDA and SCL, just Analog 4 and 5 of the copy, not the additional I2C interface), plus the two next to the RESET pin, one IOREFallow expansion board voltage onboard, this pin expansion board just told the onboard voltage (such as UNO 5V, can be seen as the power pins copy, does not provide the level pull), the other is laterScratch placeholder pin.
2. More stable RESET circuit. The RESET key position has changed, which has been moved to the corner near the USB interface board, more convenient and press.
3. The ATmega16U2 instead 8U2, and that does not mean that the 16K flash of UNO R3 make your code run faster, this update is a service of the USB interface chip, theoretically It UNO can simulate USB the HID, such as MIDI / Joystick / Keyboard.

Package includes:

1 x UNO R3 Board
1 x USB Cable

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