Using GPIO ports
Step-by-step tutorial: from creating the MPLAB project to simulating an LED controlled by a button — one verifiable action per step.
Interactive practical guides
Practical guides
Learn skills before the labs
Short multi-step tutorials like Astro and Expo docs. Complete each unit before jumping into UNEXPO lab tutorials.
ALU operations in assembly
Add, subtract, multiply, logic, and rotates with operands in WREG. Direct prep for Practice 1.
PIC18 interrupts
Step-by-step guide: from polling to a Timer0 ISR that blinks an LED without blocking the main loop — one verifiable action per step.