Features: Brand new and high quality Compact and versatile solution for your electronic projects. With its small size and powerful microcontroller, it provides high performances in a portable package. Perfect for DIY enthusiasts and electronics hobbyists. Featuring a 16MHz clock speed and 10 digital pins, this mini development board provides excellent processing power and flexibility. Its built in UART and I2C interfaces allow for easy communication with other devices. Suitable for prototyping and experimenting with different applications. Designed for both beginners and experienced users, the USB ATmega32U4 mini development board is a must have tool for anyone interested in electronics and programming. It offer a user friendly platform to learn and explores the world of microcontrollers. This board comes with an external antenna to enhancer the signal strength of wireless applications. low power consumption and high cost performances, which is suitable for Internet of Things applications. Specifications: Material:PCB Color:Black/White Microcontroller:ATMEGA32U4 Clock Speed:16MHz Operating Voltage:5V PWM Channels:4 UART:1 I2C:1 Micro USB:1 Flash Memory:32KB of which 4KB used by bootloader SRAM:2.5KB EEPROM:1KB Size:Approx.28.2x20.9mm/1.1x0.82inch Package Includes: 1x Development Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.