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This industrial relay module, powered by the Raspberry Pi RP2350B microcontroller, features six 10A 250VAC/30VDC relays and an isolated RS485 interface. It ensures safe and stable operation thanks to opto-isolation, power isolation, and surge protection. It supports programming in C/C++, MicroPython, and the Arduino IDE, and the 40-pin Pico HAT connector allows for easy expansion. Its robust DIN housing and 7–36V DC power supply make it ideal for industrial automation and IoT projects. Waveshare RP2350-Relay-6CH
Industrial 6-Channel RP2350 Relay is a high-quality industrial relay module based on the Raspberry Pi RP2350B microcontroller, designed for reliability, safety, and easy integration into automation systems. The device features a dual-core, dual-architecture design, allowing operation in ARM Cortex-M33 or Hazard3 RISC-V mode, providing developers with flexibility and programming freedom. The module includes six high-quality relays rated up to 10A at 250VAC / 30VDC, enabling direct control of 230V AC mains devices or low-voltage circuits. Built-in galvanic isolation circuits — including signal opto-isolation and power separation — ensure safe and stable operation even in demanding industrial environments. The module offers an isolated RS485 interface for Modbus RTU communication and a 40-pin Raspberry Pi Pico HAT-compatible connector, allowing easy expansion with additional modules (RTC, CAN, RS232, LoRa, sensors, etc.).

| 1. RP2350B Chip | 11. RS485 Bus Interface |
| 2. 40PIN Raspberry Pi Pico HAT Connector | 12. Power Terminal Block (DC 7–36V) |
| 3. Relay Terminal Blocks | 13. LED Indicators (PWR, RXD, TXD) |
| 4. Relays (≤10A 250V AC or ≤10A 30V DC) | 14. WS2812 RGB LED |
| 5. Optical Isolation Circuit (Optoisolator) | 15. USB Type-C Connector |
| 6. Power Isolation Module | 16. Passive Buzzer |
| 7. Digital Isolation Circuit | 17. RP2350 RESET Button |
| 8. TVS Diode | 18. RP2350 BOOT Button |
| 9. Overvoltage Protection | 19. Not present in this version |
| 10. RS485 Termination Resistor Jumper | — |
Power is supplied via screw terminals supporting voltages from 7V to 36V DC, allowing direct use in industrial environments. Additionally, the board includes a USB Type-C connector for communication, power, and programming via drag-and-drop. Built-in LED indicators — for power, RS485 transmission (TX/RX), and a configurable RGB LED — provide real-time system status monitoring. The robust ABS enclosure with DIN rail mounting ensures ease of installation and operational safety. The module supports programming in C/C++, MicroPython, and Arduino IDE, and provides a comprehensive SDK, documentation, and examples to streamline development. With its extensive protection features, industrial-grade performance, and reliable operation, the RP2350 Relay Module is ideal for building automation, device control, and IoT projects requiring high safety standards.
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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This industrial relay module, powered by the Raspberry Pi RP2350B microcontroller, features six 10A 250VAC/30VDC relays and an isolated RS485 interface. It ensures safe and stable operation thanks to opto-isolation, power isolation, and surge protection. It supports programming in C/C++, MicroPython, and the Arduino IDE, and the 40-pin Pico HAT connector allows for easy expansion. Its robust DIN housing and 7–36V DC power supply make it ideal for industrial automation and IoT projects. Waveshare RP2350-Relay-6CH