The image shows a blue printed circuit board (PCB) with various electronic components attached to it. On the left side of the board, there is a black USB port, which is used to connect the board to a computer or other electronic device. 

On the right side, there are several capacitors, resistors, and transistors, which are used to power the board. In the center of the PCB, there appears to be a power supply module, which can be used to control the power supply.

There are also several other components on the board such as a microcontroller, a power button, and an analog input module. The board also has a few capacitors and resistors on the top and bottom, which may be used for connecting to other electronic devices. The PCB also has the logo of the company "UNO" on it, indicating that it is an Arduino Uno board.