For more details go to this link: https://tkkrlab.nl/wiki/Arduino_KY-004_Key_switch_module
KY-004 Key Switch Module
SKU: 71
₱150.00Price
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Electronics, Components, Peripherals, Gadgets and Accessories
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For more details go to this link: https://tkkrlab.nl/wiki/Arduino_KY-004_Key_switch_module