Certified Electronics Technician Exam Prep. Course Options:Prepare for a certified electronics technician exam from the ETA and ISCET. All material was prepared by Dr. Clyde A. Lettsome, PhD, PE, MEM. Certified electronics technician exam preparation courses are meant for those who have either obtained formal training in electronics and want to make themselves more attractive to employers or those who have years of professional experience, no formal training and want to be certified. All preparation courses will be held in Georgia will be held on the campus of Georgia Tech. in Atlanta, Georgia.