
Waveshare 8-ch Relay Expansion Board for Raspberry Pi, Raspberry Pi 8-ch Relay
Prices updated 19 May 2026
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Product Description
OverviewThe 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.Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Standard rail mount bottom case5. Onboard LEDs for indicating relays status6. Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins7. Reserved control Interface, allows to work with controllers like PLC8. Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job)Specifications1. Power supply voltage: 5V2. Trigger signal: 3.3V/5V3. Relay channels: 8-ch4. Contact form: SPDT-NO,NC5. Closed current: 6mA (per channel)6. Connector: screw terminal block7. Dimension: 232 × 72 (mm)8. Mounting hole size: 3.0mmSpecification: Package Weight One Package Weight 0.33kgs / 0.73lb One Package Size 25cm * 9cm * 2cm / 9.84inch * 3.54inch * 0.79inch Qty per Carton 160 Carton Weight 15.00kgs / 33.07lb Carton Size 50cm * 36cm * 40cm / 19.69inch * 14.17inch * 15.75inch Loading Container 20GP: 370 cartons * 160 pcs = 59200 pcs40HQ: 859 cartons * 160 pcs = 137440 pcs
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