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1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation Board XL9535-K1V5 New for Arrival 2025 High for Quality

5.0 (1) Write Review
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$9.99

$ 3 .99 $3.99

In Stock
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Installation Technician
Reviewed in the United States on March 17, 2025
No documentation! Unit does NOT work using I2C protocol alone.
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