keypads
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3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad
A simple and reliable input device for Arduino and DIY electronics projects. This flexible 12-key keypad provides only the essential keys (0–9, *, #)—no letters—making it ideal for numeric-only applications. It comes with a peel-and-stick adhesive backing for quick mounting on enclosures, panels, or doors.
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Keys: 12 (Telephone-style layout)
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Interface: 7 pins (2.54 mm standard pitch)
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Mounting: Self-adhesive sticker backing
- Best for: Electronic door locks, vending machines, access control systems, phone dialers, and keypad-based Arduino projects.
4×4 Matrix Membrane Keypad | 16 Button Keypad Module
The standard keypad for security projects. This ultra-thin 16-button keypad allows users to enter passwords, navigate menus, or control robots. It features a peel-and-stick adhesive backing, making it easy to mount on any plastic project box or door.
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Keys: 16 (0-9, A-D, *, #)
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Mounting: Self-Adhesive Backing (Peel & Stick)
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Interface: 8 Pins (Standard 2.54mm header)
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Best For: Electronic Door Locks, Calculators, and Attendance Systems.
Tactile Push Button Switch | Momentary Switch
The essential button for every project. This standard 4-pin tactile switch fits perfectly into breadboards and perfboards. It provides a satisfying "Click" when pressed and releases instantly when you let go.
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Type: Momentary (ON only while pressed).
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Size: 6x6x5mm (Standard).
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Mounting: Through-Hole (Breadboard Friendly).
- Quantity: 10 Pieces per Pack.