1、Flexible Switching: You can flexibly switch between for Nano development boards and for RPi development boards, which provides better flexibility and wide compatibility and greatly broadens the usage scenarios. 2、Powerful Performance: The microcontroller board based on the chip deploys 23 input or output pins and 8 analog to digital converter inputs, is equipped with a 16MHz crystal oscillator, and is equipped with rich hardware resources. 3、Convenient Design: The board is equipped with a Micro USB interface and a reset button, which facilitates quick and easy connection to the PC and program uploading, and the operation is simple and fast, which greatly improves the development efficiency. 4、Efficient Storage: Flash memory capacity of 32KB, for EEPROM memory capacity of 1KB, and SRAM 2KB, such a combination of storage can cope with a variety of program requirements, providing a stable and reliable operating environment. 5、Safety and Stability: Development board made of premium PCB material, stable and durable, the working voltage DC 5V, safe and efficient, provides a stable operating environment. Item Type: Development Board Material: PCB Flash Memory Capacity: 32KB for EEPROM Memory Capacity: 1KB SRAM: 2KB Number of Input Output Lines: 23 Number of Analog to Digital Converter Inputs: 8 Features: The development board is based on the chip design of the microcontroller board, it has 23 input output pins, a 16 MHz crystal oscillator, a MicroUSB interface, a reset button. The most important feature of this board is the shared pins on the board. Upload a different program to it and follow the pinout instructions to switch between the Nano and for RPi boards. 1 x Development Board 1 x Manual