4×3 Matrix – Membrane Type Keypad -12 Keys

$74.13 $100.08
Specifications:-Microcontroller                        Atmel ATmega328 SMD PackageOperating Voltage (logic level)  5 VInput Voltage (recommended)  7-12 VInput Voltage (limits)               6-20 VDigital I/O Pins                        14 (of which 6 provide PWM output)Analog Input Pins                    8DC Current per I/O Pin            40 mAFlash Memory                         32 KB (of which 2KB used by bootloader)SRAM                                     2 KBEEPROM                                 1 KBClock Speed                           16 MHzDimensions                            0.70” x 1.70
Arduino

Arduino