Features 1、High Performance Processor: for is equipped with for AT91SAM3X8E microcontroller, based on 32 bit for ARM Cortex M3 core, providing a high speed running clock of 84MHz, ensuring that complex arithmetic and high speed data processing needs can be met. 2、Wide Range of I O Functions: Equipped with 54 digital I/O pins, including 12 PWM outputs, suitable for driving a variety of motors and LED matrices, as well as 12 analog input channels and 2 DAC analog outputs, to meet the diverse signal reading and control needs. 3、Powerful Power Management: Supports 7‑12V recommended input voltage range and can withstand up to 6‑20V, while providing stable 3.3V and 5V port output capacity of 800mA each to ensure sufficient and stable power supply for external devices. 4、Enhanced Storage Capacity: Built in 512KB flash memory is sufficient to store rich user programs and data, with 96KB (64KB 32KB), to ensure stable and unhindered program work. 5、Comprehensive Interfaces: Equipped with 4 channel UART hardware serial port, SPI, I2C (TWI), USB OTG interface and JTAG debugging interface, it can easily realize efficient telecommunication and debugging with all kinds of sensors, actuators, and other electronic devices. Specification Item Type: ARM 32 Bit Master Control Development Board Material: PCB Microcontroller: for AT91SAM3X8E Operating Voltage: 3.3V Input Voltage (Recommended): 7-12V Input Voltage (Limit): 6-20V Digital I O Pins: 54 (Including 12 PWM Outputs) Analog Input Channels: Pins 12 Analog Output Channel: Pins 2 (DAC) Total I O Port Output Current: 130 MA 3.3V Port Output Capacity: 800 MA 5V Port Output Capacity: 800 MA Flash: 512KB (All Space Is Available for User Program Storage) Static Random Access Memory: 96KB (Two Parts: 64KB and 32kb) Clock Rate: 84MHZ Package List 1 x Development Board 1 x Data Cable