Quantity   Component name
1 × AT89S52 Microprocessors, Microcontrollers, DSPs / Microcontrollers (MCUs)
1 × LCD Display 16x2
1 × Matrix Keyboard
1 × Encoder MM79C922
1 × Quartz cristal 11.059 Mhz
2 × Protoboards
1 × Bluetooth module HC-06
1 × Resistors and Capacitors Various Values
3 × Push Buttons