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“Most projects include at least one LED. Before soldering the LED, how can you determine if the color and brightness meets your needs? After that, how do you calculate the correct value resistor? Many years ago, I built a handy …
“Designing and building a temperature controller for a soldering iron might seem unusual in these days of cheap Chinese-made soldering stations. In my case, I went even further, designing three different controllers. Crazy? Well, here’s the full story. “
“I’ve always wanted to make a little larger Arduino project from scratch. Therefore i decided to make this grow box. This is maybe more like a ”look what I made” instead of a Instructable, but i will try to …
“Meet “Mr.Engraver” ! The DIY portable desktop laser engraving machine. The Engraver can engrave on wood and plastic, Cut through foam sheets and paper. The machine can be used to do tons of creative work, the only limit is Imagination …
These circuits were made using two common adjustable voltage regulators - the LM317T and the AMS1117ADJ. The LM317T is an adjustable voltage linear regulator that is very popular. It was invented in 1970 and is still used today. This is very …