Back in 1966, a suitable toy for a geeky kid was a radio kit. You could find simple crystal radio sets or some more advanced ...

YOU can find yourself drowning in wires as your circuits get more elaborate. To add components without making an octopus, you need a breadboard. Breadboards are so called because early makers ...

TV’s MacGyver would love the breadboard arrangement we saw recently: it uses paperclips and crimping to make circuits that can be more or less permanent with no soldering. The basic idea is simple. A ...

Back in eighth grade, a classmate of mine named Bruce brought in a transistor-circuit siren made by his older brother, which was installed in a transistor radio case. Immediately enchanted, I went to ...