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1PCS (For Arduino) UNO R3 Development Board Newest 2012 New Version & USB Cable (50 cm) #00421833

1PCS (For Arduino) UNO R3 Development Board Newest 2012 New Version & USB Cable (50 cm)
$ 9.99
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Product Details

Brand: Funduino

Highlights

Operating Voltage: 5v
Input Voltage(Recommended):7~12v
Input Voltage(Limited):6~20v
Digital I/O Pins:14(of which 6 provide PWM output)
Analog input pins:6
DC Current per I/O pin: 40Ma
DC Current per 3.3V pin: 150Ma
Flash memory:32KB(ATmega328) of which 0.5KB used by bootloader
SRAM:2KB(ATmega328)
EEPROM:1KB(ATmega328)
Clock speed:16 MHz
(For Arduino) UNO R3 is a easy-to-use type open source controller which was newly introduced in 2012.
On the hardware, there is no big change compared with (For Arduino) UNO. The biggest difference lies in
the part of USB converting to serial port circuit. The replacement is ATMega16U2 chip, so the cost may
increase a little. The software is the same as before, no big change.
Function:
1. pin change:
Two I2C pins are added on the side of pin AREF (SDA and SCL, just the copy of Analog 4and 5, not an additional I2C interface).
In addition, add 2 pins alongside the RESET, one is IOREF, which can make the expansion board adapt
to board voltage. This pin is to tell expansion board the present onboard voltage (for example, when UNO
is 5V, which can be seen as a copy of the power supply pin, does not provide a level pull-up) ;the other is an occupy pin to be used later.

2.More stable RESET circuit. The position of RESET key was also changed, moved to board corner near the
USB interface, which is more convenient to press.

3.8U2 was replaced by ATmega16U2. This does not mean that there is R3 with 16K flash let your code run fast, this
update is for USB interface chip. In theory, it let UNO can simulate USB HID such as MIDI/Joystick/Keyboard.

Package:
1 x (For Arduino) UNO R3 Development Board
1 x USB Cable

Specifications

Type Microcontroller Development Board,
Model UNO R3,

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