Powerful core performance: Features RA4M1 MCU based on 32-bit ARM Cortex-M4 architecture, running at 48MHz with built-in FPU, 256KB flash memory, 32KB SRAM, and 8KB EEPROM Rich hardware resources: Includes 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 Efficient software ecosystem: Compatible with Arduino IDE for quick development and debugging Compact design: Measures 18 x 23.5 mm, suitable for space-constrained applications Chemical compliance: None Model Number: RA4M1-Zero Mini Development Board Note: Board color is random; specific colors cannot be guaranteed. Appearance and silkscreen may vary between batches but do not affect functionality Specifications: B = Pin header version / A = SMD version Color: As shown Material: PCB Package Contents: 1 x Development Board Note: Light reflection and display differences may cause slight color variation between the image and actual product. Measurement tolerance: ±1–3 mm.