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WRIARICH BK7238 Bluetooth Relay Module IoT Development Board, AC & DC Dual Power Supply Remote Control Switch for Smart Home DIY Projects
- Built-in BK7238 chip with Bluetooth wireless remote switch control capability
- Supports wide-range AC/DC dual power input for flexible wiring installation
- Onboard relay realizes circuit on/off control for home electrical equipment
- Complete breakout pin headers, ideal for secondary development and IoT prototyping
- Compact PCB design, perfect for smart light, socket and appliance upgrade retrofit
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This relay development board adopts integrated BK7238 wireless chip, supporting Bluetooth remote control to trigger the onboard relay for circuit switching operation. Compatible with both AC and DC power supply modes, it gets rid of single power limitation and adapts to various household wiring environments easily.
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Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by tangzhongdianzi Return Policy
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