Control up to 8 relays via USB with WHADDA's PC-compatible relay card. Features VDR noise suppression & 16A capacity.
The WHADDA 8-Channel USB Relay Card enables seamless remote control of up to eight relays directly from your computer via USB. This versatile relay card is supplied fully assembled and tested, ensuring reliability right out of the box.
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Ideal for automation projects, smart home setups, or industrial applications, this relay card combines ease of use with professional-grade functionality.
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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