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Raspberry Pi Pico 2 RP2350B Industrial 8-Channel Relay IOT LAN Digital Input DIO /RS485 /RJ45 Ethernet /POE

$40

Brand:SpotPear
SKU:020309900000
Date:2025-09-19 11:12
No:
In Stock

RP2350 Industrial Control Board Industrial-grade 8-channel network relay Based on the RP2350 master controller Dual-core dual architecture Supports digital input, RS485 and Ethernet interfaces Onboard multiple isolation protection circuits

Industrial 8-Ch RP2350 Relay Module

Based on RP2350, Supports digital input, RS485, and Ethernet port interfaces

Built-In Protection Circuits Such As Power Isolation And Optocoupler Isolation, Safe & Stable & Reliable


Version Options

Features

  • RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom
  • 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 MHz
  • 520KB of SRAM, and 16MB of onboard Flash memory
  • Type-C port, easier to use
  • High quality relay, contact rating: ≤10A 250V AC / 30V DC
  • Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control
  • Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial expansion modules or sensors
  • Onboard pin header, allowing access to other devices
  • Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications
  • Onboard RTC chip, supports scheduled tasks
  • Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface
  • Optional for PoE network port function, with built-in PoE module for PoE capability (compliant with IEEE 802.3af standard)
  • Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay
  • Onboard digital isolation to prevent interference from external signal
  • Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
  • Onboard TF card slot for external TF card storage of images and files
  • Built in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices
  • Rail-mounted ABS case, easy to install, safe to use
  • USB 1.1 with host and sub device support
  • Low-power sleep and dormant modes
  • Drag-and-drop programming using mass storage over USB
  • Adapting 15 × multi-function GPIO pins
  • 2 × SPI, 2 × I2C, 2 × UART, 8 × 12-bit ADC, 12 × controllable PWM channels
  • Accurate clock and timer on-chip
  • Temperature sensor
  • Accelerated floating-point libraries on-chip
  • 12 × Programmable I/O (PIO) state machines for custom peripheral support
Specifications
MICROCONTROLLERRP2350B
USBCONNECTORUSB Type-C
POWER SUPPLY5V
FUNCTIONSPower supply, USB communication, firmware downloading, etc.
ISOLATED COMM INTERFACEINTERFACERS485
CONNECTORScrew terminal
DIRECTION CONTROLHardware automatic control
PROTECTIONTVS diode, surge protection & ESD protection
RESISTOROnboard reserved 120R matching resistor, NC by default, enabled via jumper
ETHERNET INTERFACEPoE Ethernet port, supports IEEE 802.3af standard (for PoE port version only)
DIGITAL INPUTINPUT CHANNELS8
INPUT VOLTAGE5V~36V
INPUT TYPEPassive input / active input (NPN or PNP type)
ISOLATION TYPEBi-directional optocoupler isolation
RELAYCONTACT RATING≤10A 250V AC / 30V DC
RELAY CHANNELS8
CONTACT FORM1NO 1NC
ISOLATIONOptocoupler isolation
LED INDICATORSRGBRGB colorful LED, supports programmable control of display color
PWRRed power indicator, lights up when there is USB connection and voltage is detected
TXDGreen TX indicator, lights up when the RS485 port sends data
RXDBlue RX indicator, lights up when the device port sends data back
POWER SUPPLY SCREW TERMINALVOLTAGE RANGE7~36V
APPEARANCEENCLOSURERail-mount ABS protective case
DIMENSIONS175 × 90 × 40 (mm)

Dual-Core, Dual-Architecture

The Unique Dual-Core, Dual-Architecture Capability Of RP2350B Allows Users To Choose Between A Pair Of Industry-Standard Arm Cortex-M33 Cores, And A Pair Of Open-Hardware Hazard3 Cores, Giving Developers A Chance To Experiment With The RISC-V Architecture In A Stable, Well-Supported Environment

Onboard Multiple Isolation Protection Circuits

Multiple Protections, More Safe And Reliable


Supports RS485 And Ethernet Interfaces Remote Control

Onboard 8-Ch Relays And 8-Ch Digital Inputs, Contact Rating Of The Onboard Relay Up To 10A 250V AC / 30V DC, Directly Controlling 220VAC Home Appliances, Or Devices Below 30V DC

Digital Input

Supports Passive (Dry Contact) And Active (Wet Contact) Digital Input, With Bi-Directional Optocoupler Isolation

Application Scenarios


Optional For PoE Function

Built-In PoE Module, Providing Both Network Connection And Power Supply In One Cable

* the PoE function is only available on RP2350-POE-ETH-8DI-8RO version, and the switch shown in the picture is NOT included.

Application Examples

Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service


Supports C/C++, MicroPython, Arduino IDE

What's On Board


  1. RP2350B
    Dual-core and dual-architecture design, up to 150 MHz operating frequency
  2. PoE header
    supports connecting to PoE module for PoE capability (for PoE port version only)
  3. RESET button
  4. Optocoupler isolation
    prevents interference from external high-voltage circuit connected to the relay
  5. 8-channel quality relays
    contact rating per channel: ≤ 10A 250V AC or ≤ 10A 30V DC
  6. Relay screw terminals
    for connecting external devices
  7. Power supply isolation
    provides stable isolated voltage, needs no extra power supply for the isolated terminal
  8. Digital isolation
    prevents interference from external signal
  9. RS485 matching resistor jumper
    onboard reserved 120R matching resistor, enabled via jumper
  10. RS485 communication interface
    for connecting to external RS485 devices
 
  1. Power supply screw terminal
    supports DC 7~36V wide voltage input
  2. Power IC
  3. Digital input screw terminals
  4. Bi-directional optocoupler isolation
  5. RTC battery holder
  6. Buzzer
  7. Pin header
    for connecting other devices
  8. LED indicators
    PWR: power indicator
    RXD: RS485 RX indicator
    TXD: RS485 TX indicator
  9. BOOT button
  10. USB Type-C port
    for programming, USB 1.1 with device and host support
  11. WS2812
    cool RGB LED
  12. Ethernet port



  1. Onboard TVS (Transient Voltage Suppressor)
    can effectively suppress surge voltage and transient spike voltage in the circuit
  2. RS485 conversion chip
  3. MP1605GTF-Z
    DC-DC power module
 
  1. PCF85063ATL
    RTC chip, can achieve some scheduled tasks
  2. W5500
    for extending 10/100Mbps network port through SPI interface
  3. TF card slot
    supports external TF card storage for images and files
Pin Definition
Enclosure Design

ABS Protection Enclosure With 35mm Rail-Mount Support, Easy To Install, Safe To Use

Outline Dimensions