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GY-471 3A Range MAX471 Current and voltage Sensor
1 × 650.00 ₨
4×5 Keys Matrix Array provides 20 keys on an 9-socket connector using a matrix system to detect which press.
The matrix keypad is wired via a flexible ribbon to an 9 header socket.
The keypad can be stuck to a hard surface using the sticky pad provide to provide a hard backing to the keypad – making it easier to press and use the keys.
It consists of a thin, flexible membrane layer embed with a grid of conductive traces, which form a matrix of buttons. When a button is press, the corresponding electrical connection is complete, allowing the device to register the specific input.
These keypads are highly value for their slim profile, low cost. And also ease of integration into various devices such as microcontrollers, industrial control panels, home appliances, and security systems. The matrix design reduces the number of input/output (I/O) pins required by the controller, making it efficient for systems with limited I/O capabilities.
This durability, combined with their simple construction, makes them ideal for use in harsh environments. The tactile feedback provided by the keys offers a responsive and satisfying user experience, while the customizable layout allows designers to tailor the keypad to specific needs.
Overall, a switch membrane matrix keypad is an excellent solution for low-power, space-constrained, and user-friendly input applications in both consumer and industrial electronics.
4×5 Keys Matrix Array Perfect for adding user input to your projects or as a replacement to worn keypads.
Max circuit rating: DC 35V, 100mA
Dielectric withstand: 250VRms (50-60Hz, 1 min)
Insulation resistance: > 100M Ohm, 100V
Contact bounce: <=5ms
Life expectancy: 1 million closures
Operating temperature: -40 ~ +80°C
Fixing: Self-adhesive
Connector type: 9 pin
Total length: 178 mm
Cable length: 104mm (including connector)
Size: 85mm x 73mm x 1mm
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