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1X4 Keypad Membrane80.00 RSKeypads Sensor Coimbatore (Tamil Nadu)A 1x4 keypad membrane is a compact, 4-button input device using a membrane switch design with no moving parts, suitable for microcontroller projects and other applications, often with adhesive backing for easy mounting. keypad membrane price in Coim...
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A Keypad Sensor Module is an input device used to detect user key presses and send corresponding signals to a microcontroller or electronic system. It consists of multiple push-button switches arranged in a matrix format such as 3×4 or 4×4 for efficient interfacing. The keypad communicates through digital input pins and is easy to connect with platforms like Arduino, PIC, or Raspberry Pi. It typically operates at low DC voltage and allows reliable user interaction for control and data entry. Keypad modules are widely used in security systems, password locks, automation panels, and embedded electronics projects.
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