Making a compact igniter for an engine

I have struggled with the use of sparkplugs in my engines, simply due to their need of a large box of electronics hardware and wiring simply to get a few sparks for ignition. Using a blowtorch to start an engine is much harder than traditionally using a sparkplug, but sometimes the initial set up t…

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Making a vintage Morse Code transmitter that works over USB

Recently, for no particular reason whatsoever, I decided to learn Morse Code. Within a couple of weeks, I could type at a decent speed, but I never liked the virtual feeling of clicking a mouse or tapping a screen, because of the lack of force feedback. I started watching videos of people using rea…

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