Membrane keyboard 4×3 – 12 keys

By Boris Landoni on August 13, 2021

Row / column membrane keyboard equipped with 12 keys and adhesive base. Using a microcontroller it is possible, by scanning the 7 output pins, and checking which of the 12 keys has been pressed.

Techical specifications

Dimensions (mm): 77x70x1,3
Cable length: 86 mm
Connector: 7 pin (step 2,54 mm)
Insulation resistance: 100 Mohm, 100 V
Dielectric strength: 250 VRms (50-60 Hz, 1 min)
Contact rebound: <= 5 ms
W

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About Boris Landoni

Boris Landoni is the technical manager of Open-Electronics.org. Skilled in the GSM field, embraces the Open Source philosophy and its projects are available to the community.

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