The Heathkit ET-3400 Microprocessor Trainer
1:10:56
Heathkit ET-3400 Part 1: Designing and building an ETA-3400 Memory/IO Accessory
17:22
The Heathkit IG-57A Television Post-Marker/Sweep Generator
12:01
Heathkit ET-3400 Microcomputer Learning System / Microprocessor Trainer demo
24:15
The TS2 68000-Based Single Board Computer
22:04
Ohio Scientific OSI 300 microprocessor trainer for the 6502
15:48
The Heathkit SA-5010 μMatic Memory Keyer
16:51
The KIM-1 Microcomputer - Part 1: History and Basic Features
8:44