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Operating Voltage: 3
Environment that implements the processing / wiring language
Material:ABS
For small load applications using the metal gear
modem control)
Membrane 4X4 Matrix Keypad + Extras driver Operating Voltage: 3This Matrix Keypad 4 X 4 has 16 buttons, arranged in a telephone line 3x4 grid with a column of 4 characters (A, B, C, and D). The keys are connected into a matrix, hence only 8 microcontroller pins (4 columns and 4 rows) are required to scan the pad. It's made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 8
US$ 142.11
US$ 119.95
US$ 555.00
US$ 25.68
US$ 145.10
US$ 475.00
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