I had some really decent handwriting at a young age… it’s since gone down hill. Here’s a photo of the simple Rain Detector project, and you can see that the wiring was explained in detail to make the circuit work.Īnd here’s a photo of a later, more advanced project that came with a more typical schematic. The extra-wide book would lay flat easily, and while the early projects started you out by showing you exactly where to place wires to make a connection, those hand-holding exercises didn’t continue and users were expected to start learning to read schematics that would be provided for the book’s 200 projects. Below is a closeup photo of some of the components and their respective springs. Most components had two springs to allow current to flow through one end and out the other - the component was visible on top of the kit’s surface, while it’s various connections were hidden beneath the surface. When you released the spring, it would compress and hold the wire nice and tight. To make a connection between a resistor and an LED, for example, you would slightly bend a small spring situated near a component and insert a wire. The kit also came with a big bundle of flexible, solid-core wire in a variety of colors and lengths. I still own it, and you can see a photo of both kit and book below. One of the more memorable ones was a 200-in-1 electronics kit from Radio Shack. I started taking electronic gizmos like alarm clocks and kitchen appliances apart (often without permission) and examining them more closely. Rather than discourage me, my parents switched gears and birthday and Christmas presents moved from toys to more fun and advanced project-like gifts. I must have been around twelve years of age when I began developing an interest in electronics.
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