- LE1: Installation of MPLab. Turning on LED with PORTA Button. PIC16F877A
- LE2: LCD + Keypad PIC16F877A
- LE3: Timer0 PIC16F877A
- LE4: Timer1, Timer2, and PWM module (Capture, Compare, PWM) PIC16F877A
- LE5: Analog to Digital Converter PIC16F877A
- LE6: USART Communication PIC16F877A
- LE7: Master and Slave PIC16F877A