introduction about rex (rtos ) in powerpoint format.

基于picc编译器的驱动两个步进电机的代码，单片机是使用pic18f452-Picc compiler based on the two stepper motor-driven code, the use of single-chip pic18f452

基于pic16驱动ds1302的代码，采用picc编译器编译环境，可更加需要自行修改为自己项目的。-Pic16 on ds1302 driver code, picc compiler to compile the use of the environment, can be a greater need to make its own decisions for their own projects.

communication usb avec picc pic 18f4550-communication usb avec picc pic 18f4550