{"title":"Keypad - 12 Button","handle":"keypad-12-button-8de059a8-7362-4835-8d25-389133b266de","url":"/products/keypad-12-button-8de059a8-7362-4835-8d25-389133b266de","description":"A basic 12-button keypad in a standard telephone layout (1–9, 0, *, #), designed for easy user input with microcontrollers. The buttons are wired in a matrix format, allowing a microcontroller to scan 7 output pins to detect which button is pressed.\n\nKey Features\n\n\n12-Button Matrix – Standard telephone layout (1–9, 0, *, #)\n\n7-Pin Interface – 3 columns × 4 rows matrix scanning\n\nLow Contact Resistance – 10–150 ohms per keypress\n\nSimple Integration – Works with Arduino, Raspberry Pi, and other microcontrollers\n\n\nIdeal For\n\nUser input and PIN entry systems\nArduino and microcontroller projects\nAccess control and security systems\nMenu navigation interfaces\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":5895,"title":"Default Title","sku":"SF-COM-14662","price":10.34,"on_sale":false,"in_stock":true,"available_quantity":1121,"option1":"Default Title"}]}