3x4 Phone-style Matrix Keypad Category_Display & LED/LED Strips you don't even need an

you don't even need an SD card

continuous current (1) : 1 A 1

All you need to get the coin acceptor working is a pocket full of change

This version of the Motoron M3H550 ships with soldered stackable headers and terminal blocks

Power the whole thing with 5VDC and you're ready to rock

3x4 Phone-style Matrix Keypad Category_Display & LED/LED Strips you don't even need anHey, Jenny, I've got your number! And I'm going to dial 867 5309 into this very nice phone style matrix keypad. This keypad has 12 buttons, arranged in a telephone line 3x4 grid. It's made of plastic with sturdy plastic buttons. The keys are connected to a matrix so you only need 7 microcontroller pins (3 columns and 4 rows) to scan through the pad. It's basically a sturdier version of our Membrane 3x4 Matrix Keypad and comes with 7 or 8 header pins