Industrial 8-Channel Relay Module for Raspberry Pi Pico, Multi Protection
| Brand | Waveshare | 
| SKU: | 1901 | 
        
    Waveshare 20218 - Industrial 8-Channel Relay Module For Raspberry Pi Pico, Power Supply Isolation, Photocoupler Isolation - Pico-Relay-B
Features
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
 - Onboard photocoupler isolation, prevent interference from external high-voltage circuit connected to the relay
 - High quality relay, contact rating: 10A 250V AC or ≤10A 30V DC
 - ABS protection enclosure with rail-mount support, easy to install, safe to use
 - Breakout USB port and BOOT pin, make it easy to debug without disassembling the enclosure
 - PWR indicator, RGB LED, and passive buzzer outside the enclosure
 - Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)
 
Specifications
| Operating voltage | 5V | Relay channel | 8 ch | 
|---|---|---|---|
| Communication protocol | USB | Contact form | 1NO 1NC | 
| Communication interface | Micro USB | 
What's On Board

- Raspberry Pi Pico header
 - Relay screw terminal for connecting external devices
 - Power supply screw terminal the multi relays are connected in parallel
 - Pogo pins
 - USB communication port connected via pogo pins
 - BOOT key connected via pogo pins
 - Reset key Pico reset
 - Passive buzzer controllable sound frequency
 - Power indicator
 - WS2812 RGB LED, cool!
 - 8-channel quality relays contact rating per channel: ≤10A 250V AC or ≤10A 30V DC
 - Relay operating indicator
 - Photocoupler isolation prevent interference from external high-voltage circuit connected to the relay
 - Power supply isolation provides stable isolated voltage, needs no extra power supply for the isolated terminal
 - Thickened tracks allows large current devices
 
Pinout Definition

Outline Dimensions

Includes
- ABS protection enclosure (top and bottom) x1
 - Pico-Relay-B x1
 - Screwdriver x1
 - Screws pack x1
 
Weight: 0.243 kg
Resources
- WIKI: Pico-Relay-B
 
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.