Features:1. RP2350B microcontroller chip designed by Raspberry Pi2. Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz3. 520KB of SRAM, 16MB onboard Flash memory4. Type-C connector for easier use5. High quality relay, contact rating: ≤10A 250VAC/30VDC6. Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors7. Onboard 40PIN header compatible with some Raspberry Pi Pico HATs, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.8. Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications9. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay10. Onboard digital isolation to prevent interference from external signal11. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal12. Built in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module13. Rail-mounted ABS case, easy to install, safe to use14. USB 1.1 with device and host support15. Low-power sleep and dormant modes16. Drag-and-drop programming using mass storage over USB17. Adapting 34 × multi-function GPIO pins18. 2 × I2C, 2 × UART, 8 × 12-bit ADC, 24 × controllable PWM channels19. Accurate clock and timer on-ch