Powerful Core Performance: Adopts Renesas RA4M1 MCU, based on 32-bit ARM Cortex-M4 architecture, operating at 48MHz with built-in FPU (Floating Point Unit). Equipped with 256KB flash memory, 32KB SRAM, and 8KB EEPROM for efficient data storage. Rich Hardware Resources: Includes a 14-bit ADC, 12-bit DAC, CAN bus controller, USB 2.0 interface, and onboard RGB LED, providing versatile hardware options for various applications. Enhanced Security Features: Supports firmware encryption, secure boot, and tamper-proof capabilities to enhance system and data security, ensuring the safety and integrity of applications. Efficient Software Ecosystem: Compatible with Arduino IDE, enabling rapid development and convenient debugging while reducing the complexity of the development process. Compact Form Factor: Features Waveshare’s classic Zero-size design (18 × 23.5 mm), ideal for space-constrained applications, offering a small footprint without compromising performance. Rich WiKi Resources: We provide official Wiki resources, please visit our store and click the wiki page to get resources. Waveshare 2PCS RA4M1-Zero Mini Development Board, Based on 32-Bit MCU-RA4M1, 48MHz Operating Frequency, Built-In FPU, Supports Firmware Encryption, with Pre-soldered Header