Raspberry Pi 8-ch Relay Expansion Board
Raspberry Pi 8-ch Relay Expansion Board is backordered and will ship as soon as it is back in stock.
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We deliver across Australia, and here are the options (based on your location; view them on the cart page):
- Standard Post: Starting at $7 (6+ business days, with tracking)
- Express Post: Starting at $11 (2+ business days, with tracking)
- Same Day Delivery: Available for Sydney orders.
- Non-metro WA, NT, SA, and TAS: May take an additional 2+ days.
Raspberry Pi 8-ch Relay Expansion Board
Control high-voltage devices from your Raspberry Pi with this 8-channel relay expansion board. Perfect for home automation, industrial control, and switching AC or DC loads up to 5A 250V AC or 5A 30V DC.
The board features photo-coupling isolation to protect your Pi from high-voltage interference, status LEDs for each relay, and a standard rail-mount case for professional installations.
Key Features
- 8 Relay Channels – Control multiple devices independently
- High-Capacity Relays – 5A 250V AC or 5A 30V DC per channel
- Photo-Coupling Isolation – Protects Pi from high-voltage interference
- Status LEDs – Visual indication of relay states
- Configurable Pins – Jumper selection for custom GPIO mapping
- Rail Mount Case – Standard DIN rail mounting for enclosures
- External Control – Reserved interface for PLC integration
Specifications
- Power Supply: 5V
- Trigger Signal: 3.3V/5V
- Relay Channels: 8
- Contact Form: SPDT (NO, NC)
- Closed Current: 6mA per channel
- Connector: Screw terminal block
- Dimensions: 232 × 72mm
- Mounting Holes: 3.0mm
Compatibility
- Raspberry Pi (40-pin GPIO models)
- Jetson Nano
Ideal For
- Home automation systems
- Industrial control applications
- Lighting and appliance control
- Scheduled switching (cron jobs)
Resources
- Waveshare Wiki – Examples for wiringPi, bcm2835, Python, and web control
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