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HAILAN-H Color Sensor Recognition Module Controller-Products That Work with Official Boards GY-31 TCS3200 Easy to Assemble

HAILAN-H Color Sensor Recognition Module Controller-Products That Work with Official Boards GY-31 TCS3200 Easy to Assemble

  • Price: US $25.45 & FREE Shipping
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Product Description

All relays have contacts that are normally open and contacts that are normally closed.

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