Inside the Big Trak Toy
David Cook from the Robot Room has Reverse-Engineered the PCB for the Big Trak Toy. This is a toy that was built in the late 70s. It is interesting to see how things worked 25 years ago! “The motherboard is single layer/single sided. There are between 8 and 10 jumper wires acting as second-side traces on the component side. The PCB does not include a silkscreen (printed layer), so the