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- Instruments & Tools, Keypad & Switches
1×4 Membrane Keypad – 4-Key Matrix Switch Keyboard
The 1×4 Membrane Keypad provides four push-button inputs in a single-row layout. It offers a compact interface for menus, setting adjustments, and project controls. Connect it to a suitable input circuit or microcontroller after checking the supplied keypad’s connector and pin arrangement.
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