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4x4 Keyboard PCB,
PCB Button Pad
This is a 4x4 button pad with sticker with 8 Pin output, which is ready to go and super slim.
This is a 1x4 button pad with sticker with 5 Pin output, which is ready to go and super slim.
HTTM is HelTec Touch Model shorthand, which no mechanical parts, no wear, infinite life, reduce ..
This is a high-quality 3x4 matrix scan keyboard with a black rubber membrane.