PIC18F4550 is microcontroller from Microchip, Here you can find various projects,  tutorial on PIC18F4550 with few chapter on programming the pic18f4550 microcontroller along with Source code.

PIC18F4550 ADC Stepper Motor Speed Controller

PIC18F4550 ADC tutorial for Stepper Motor Speed Controller

PIC18F4550 based tutorial for Controlling the speed of stepper motor using inbuilt 10 bit Analog to Digital Converter module along with project details, requirements, schematics , source code and Project Files. The Project is compiled with XC8 compiler.

USB Interface Board Tutorial Using PIC18F4550

USB Interface Board using pic18f4550 microcontroller tutorial

This tutorial project shows the Step 1, Making of the Hardware for a computer USB Interface through pic18f4550 Microcontroller (USB INTERFACE BOARD) which allows to control some device like led, motors and other devices with computer through a USB Interface hardware that we are going to make with easy steps. pic18f4550 usb interface project is Human Interface Device (HID).

TQFP PIC18F4550 Custom ICSP Board

PIC18F4550 TQFP Custom ICSP board

Building and setting up TQFP ICSP adapter board with right alignment to PIC18F4550 TQFP Base microcontroller board. A test board which allows to Code the microcontroller and test the Pins.

PIC18F4550 TQFP Experiment | Breakout board

PIC18F4550 TQFP Experiment | Rakesh Mondal

Experiment with TQFP PIC18F4550 – 44 Pin package, Building and etching custom breakout board. Setting configuring and designing.

PIC18F4550: Blink led with 20MHZ oscillator - XC8

PIC18F4550 for Blinking led using 20MHZ external Oscillator with XC8 Compiler

Blink few simple led using XC8 Compiler and external 20MHz Crystal oscillator on PIC18F4550. Learn about the basics things need to be kept under consideration to avoid issues with __delay_ms or __delay_us in xc8 Compiler.

Stepper Motor Driver using PIC18F4550 Microcontroller

Stepper Motor Driver tutorial using PIC18F4550 Microcontroller , PIC18F4550 stepper Motor interface

A Tutorial for interfacing Stepper Motor with pic18F4550 microcontroller. The Projects shows a simple stepper motor interface with two examples of source code, demonstrating various modes of stepper motor stepping along with detailed logic diagrams and circuitry. The project is posted with necessary schematic, description and project files for download.

USB Stepper Motor Driver

USB Stepper Motor Driver, PIC18F4550 USB Stepper Motor Controller

This project shows how to drive and control a Stepper Motor using a USB Interface. It is controlled via USB interface where small software running on the computer can control the stepping sequence of the stepper motor connected over USB. The stepping sequence and delay between the stepping sequence can be controlled easily with software. USB Stepper Motor Driver project is inexpensively easy to make and can be easily modified to run various types of stepper motor. The project is posted with necessary schematic, description and project files.

Infrared IR Sensor Interface with PIC18F4550 Microcontroller

IR Sensor Interface with PIC18F4550 Microcontroller project - Digital Input

This project demonstrates simple IR sensor Circuit Module interface to a pic18f4550 microcontroller to blink few leds. This project also shows how to take digital input from a pic18f4550 by setting few pins digital hence reading the sensor value as 0 and 1. This is very simple, easy, low cost and inexpensive to make, the IR sensor can be simply replaced by push switches. The source code can be easily modified for various other related microcontroller projects, Find the Digital input Source code, schematics and necessary project files which is coded with Mplab IDE C18 compiler. Mplab X IDE version project also included.