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Price
$25.09
Raspberry Pi Expansion Board 8-channel Relays Loads up to 5A 250V AC or 5A 30V DC for Pi A+/B+/2B/3B/3B+/4B SPDT-NO,NC Contact Form 6mA per channel Supports Jetson Nano โ€” image 1
Electromechanical RelaysWaveshareโœ“ In stock

Raspberry Pi Expansion Board 8-channel Relays Loads up to 5A 250V AC or 5A 30V DC for Pi A+/B+/2B/3B/3B+/4B SPDT-NO,NC Contact Form 6mA per channel Supports Jetson Nano

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$25.09
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About this item
  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
  • High quality relays, loads up to 5A 250V AC or 5A 30V DC;Photo coupling isolation, prevent interference from high voltage circuit
  • Standard rail mount bottom case;Onboard LEDs for indicating relays status
  • Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins; Reserved control Interface, allows to work with controllers like PLC
  • Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job),development resouces: www.waveshare.com/wiki/RPi_Relay_Board_(B)
Product description

Description The RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances. Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano High quality relays, loads up to 5A 250V AC or 5A 30V DC Photo coupling isolation, prevent interference from high voltage circuit Standard rail mount bottom case Onboard LEDs for indicating relays status Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins Reserved control Interface, allows to work with controllers like PLC Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job) Specifications Power supply voltage: 5V Trigger signal: 3.3V/5V Relay channels: 8-ch Contact form: SPDT-NO,NC Closed current: 6mA (per channel) Connector: screw terminal block Dimension: 232 ร— 72 (mm) Mounting hole size: 3.0mm PACKAGE CONTENT RPi Relay Board (B) x1 Rail mount bottom case x1 Screws pack x1 100% original, support technical service, please contact us!

Product details
Brand
Waveshare
Manufacturer
Waveshare

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What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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