Keyestudio Arduino UNO Controller Board

This Arduino UNO Controller Board with Pin Header Interface is a microcontroller board based on the ATmega328 . It has 14 digital I/O pins (of which six can be used as PWM outputs), six analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. In short, it contains everything needed to support the microcontroller.

Features

Arduino UNO controller board

Microcontroller: ATmega328P-pu
Operating voltage: +5V
External input voltage (recommended): +7V~+12V
External input voltage (limit): +6V≤ Vin ≤ ＋20V
Digital I/O pins: 14 (of which 6 provide PWM outputs)
Analog Output Pins: 6
I/O interface voltage: 20mA
Flash memory: 32KB (ATmega328), of which 0.5 KB is used by the bootloader
SRAM static storage capacity: 2KB
EEPROM storage capacity: 1K
Clock frequency: 16MHZ

Includes

Arduino UNO controller board
USB cable

Other information

To get started, simply connect the Arduino UNO controller board to a computer via a USB cable or connect it to an AC-to-DC adapter or a battery.
In order to facilitate the connection of wires, a 3-pin electronic brick interface was designed, for all 14 digital pins, six analog pins, one header pin for serial communication and another for IIC communication. In addition, it has a toggle switch. When the switch is at 5V, the level at the serial communication port is 5V and the voltage of the pins is also 5V. When it is set to 3.3V, the serial communication level is 3.3V and the voltage of the pins is 3.3V.