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Type firstDescription
Tactile 4 Pin Push Button Switch Pack of 5 (12x12x7.3 mm) RF Wireless Module Pair (433MHZ) Extensive Ecosystem: Thousands of open source Extensive Ecosystem: Thousands of open source libraries and building interactive electronics projects Custom Mechanical Keypad: Arrange in a 3x4 or 4x4 matrix to build a DIY numeric keypad for door locks Connect one pin to a GPIO pin on your microcontroller and the diagonally opposite
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