Powerful core performance: Adopts RA4M1 MCU, based on 32-bit ARM Cortex-M4 architecture. Running at 48MHz, built-in FPU (floating point unit), with 256KB flash memory, 32KB SRAM and 8KB EEPROM Rich hardware resources: equipped with 14-bit ADC, 12-bit DAC, CAN bus controller, USB 2.0 interface and onboard RGB LED Enhanced security features: Supports firmware encryption, secure boot, and anti-tampering functions to improve data and system security and ensure application security Efficient software ecosystem: compatible with for Arduino IDE, supports users to quickly develop and debug conveniently, and reduces the difficulty of development Compact design: Adopting the classic Zero design of Weixue, only 18x23.5 (mm) in size, suitable for applications with limited space Hign-concerned Chemical:None Model Number:RA4M1-Zero Mini Development Board (The color of the board is random, and specified colors are not accepted. The appearance and printing of the product may vary from batch to batch, but it will not affect the use) Specifications: B:Pin header version / A:SMD version Color: As Shown Material: PCB Package Contents: 1 * Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.