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Ideal for teaching digital electronics and circuitry in high school, college, and trade schools! Designed with feedback from electronic teachers, the KELVIN® L.D.T(tm) has the best features of expensive trainers in a low-cost, high-quality version. Even teachers with basic digital electronics knowledge can follow the instructions, yet the trainer is challenging enough for advanced students.
The trainer features one-digit, true hexadecimal display with built-in logic, memory, decoder, drivers and full alpha characters. It also has two independent clocks with adjustable frequency and duty cycles.
The Lab Manual explores: Logic Gates, Inverters, Double Inverters, Logic Gate Inverters, Logic Functions, Oscillators, Counters, Flip-Flops, Hexadecimal Numbers and Binary Numbers.
The L.D.T.(tm) Trainer includes: 500-point breadboard, GND power distribution bus, VCC power distribution bus, SPDT pushbutton switch,  data bit switches,  LED displays with IC drivers, plug-in power supply, +5V AC voltage regulator, basic components, hook-up wires, compact carrying case, and lab manual. The assembled trainer is factory-tested with a 1 yr. warranty on parts and labor. 4-1/4"x7-1/2" board.
"I have eight Digital Trainers and consider them the best digital trainer for the money"-Bob Hoskins, Turlock High School, Turlock, CA
"I have 20 Laptop Digital Trainers and have been using them over 5 years. I love them."-Fred Roman, Morristown High School, NJ