SparkFun

SparkFun

SparkFun is a leading provider of electronics products and resources for hobbyists, makers, and professionals. Established in 2003, they offer a wide range of open-source designs including development boards, sensors, components, and tools. Their products cater to various applications such as robotics, IoT, wearable technology, and digital fabrication. The company's mission is to make technology more accessible and fun. They offer tutorials, projects, and resources on their website, encouraging innovation and creativity in the electronics community. SparkFun is committed to providing exceptional customer support and extensive documentation for their products, catering to individuals of all skill levels. SparkFun actively engages with their community through forums, events, and workshops, fostering a collaborative learning environment. Their commitment to accessibility, affordability, and community engagement has established them as a trusted name in DIY electronics. Overall, SparkFun is a reputable company that provides high-quality electronics products while promoting accessibility and innovation within the electronics community. With their emphasis on customer satisfaction and community engagement, they have become a leader in the industry.

Keypad Switches

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2
Series
Legend Color
Key Color
Number of Keys
Operating Temperature
Legend
Ingress Protection
Output Type
Termination Style
Panel Cutout Dimensions
Key Type
Switch Type
Mounting Type
Illumination Voltage (Nominal)
Legend Type
Illumination
Features
Contact Rating @ Voltage
Matrix (Columns x Rows)
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SparkFun
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ImageProduct DetailPriceAvailabilityECAD ModelSeriesFeaturesIngress ProtectionOperating TemperatureContact Rating @ VoltagePanel Cutout DimensionsMounting TypeSwitch TypeNumber of KeysMatrix (Columns x Rows)IlluminationLegend TypeKey TypeOutput TypeLegendLegend ColorKey ColorTermination StyleIllumination Voltage (Nominal)
COM-08653
SWITCH KEYPAD 12 KEY NON-ILLUM
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Quantity
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PCB Symbol, Footprint & 3D Model
-
-
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-
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Panel Mount, Front
Conductive Rubber
12
3 x 4
Non-Illuminated
Fixed
Polymer
Matrix
Telephone Format
Black
White
Card Edge/Solder Pad
-
COM-14662
KEYPAD - 12 BUTTON
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
-
-
-
-
Panel Mount, Front
Conductive Rubber
12
3 x 4
Non-Illuminated
Fixed
Polymer
Matrix
Telephone Format
White
Black
Card Edge/Solder Pad
-

About  Keypad Switches

Keypad switches are user interface modules that provide direct input to a CPU, microcontroller, or keypad controller through a matrix of button switches. These modules often feature an integrated display for presenting information and instructions to the user. Keypads are available in various configurations based on factors such as the number of keys, the legend displayed on each key, and their dimensions and mounting types. The selection of a keypad switch is determined by its column and row matrix, which denotes how the buttons are arranged, and the number of keys required by the application. The legend on the keys can be customized to suit the specific needs of the application, with options ranging from alphanumeric characters to icons. Keypad switches also offer multiple output types, including CAN Bus, matrix, independent switch contact (parallel), onboard controller output, USB, and Weigand. These outputs enable integration with a broad spectrum of electronic systems, providing flexibility in terms of compatibility and functionality. The CAN Bus output, for instance, enables communication with other devices over a network, while the matrix output provides a simple means of connecting the keypad to a controller. The independent switch contact output, on the other hand, allows for direct connection to a device, with each key corresponding to an independent switch contact. Keypad switches may also incorporate an onboard controller, enabling standalone operation without the need for an external controller. This feature is particularly useful in applications where space or power constraints prohibit the use of additional components. In summary, keypad switches serve as human interface modules that allow for direct user input to electronic systems through a matrix of button switches. The legend displayed on the keys, number of keys, and matrix arrangement can be tailored to meet the specific needs of the application. Multiple output types provide flexibility in terms of compatibility and functionality, while onboard controllers offer standalone operation in space or power-constrained scenarios.