Global Specialties PB-503LAB is a comprehensive course in analog and digital electronics which utilizes the PB-503 trainer as a base for its experiments. The lab includes the entire Electronics Fundamentals, as well as the Digital Electronics curriculums. Plus there is a kit with over 150 small components needed such as LEDs, resistors, and jumper wire. Students will learn the fundamentals of electricity all the way through combinational logic circuits and microcomputer concepts. Students will also learn by engaging in valuable hands-on breadboarding and experiment verification with the use of the PB-503 trainer.