uHex

Silk-

screen

Digital

Interface

PWM

Interface

Analog

Interface

Proprietary Function

RX

0

Serial

TX

1

2

2

INT0

3

3

3

INT1

5

5

5

 

9

9

9

 

10

10

10

 

11

11

11

 

A0

A0

A0

A1

A1

A1

A2

A2

A2

A3

A3

A3

SDA

SDA

A4

I2C

SCL

SCL

A5

DTR

DTR

+

 

VCC

-

GND

⊕

  

Controllable power

port

Programming

The board type of uHex is same to Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega328, you could

select it in the board menu, and program it with FTDI programmer. （Note: The bootloader of uHex

is different from Arduino Pro or Pro Mini one. Please don't update bootloader by this one.）