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Here I will put random links. The main reason for that, is I'm on different computers, and I do not want to bookmark everything everywhere. http://learnerstv.com/Free-Engineering-video-lecture-courses.htm Decoupling and by pass caps...
nerdegutta
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I got inspired by one of the threads on the forum, and that ended up with this. My way of making a workbench/bread board powersupply. The input source is a wall wart 30v 1.5A. It's limited to regulate down to 12vdc and 5vdc. Nothing more and nothing less. I design my schematics in Eagle, here...
nerdegutta
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When you design a board, you might want to have a few exact copies of it. In Eagle, there is a way to make multiple boards, on one sheet of paper or transparent. This is the way I do what is called Panelizing. 1. Design the board First things first. While making the schematic, I have...
nerdegutta
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I've always thought that SMD soldering is hard. And I guess it is, when it comes to advanced circuits and SMD ICs. I had my first try this evening. Both with SMD soldering, and etching with Ferric Chloride. I've etched a few boards, and I've used Natriumpersulfate, at approximately 50°C. Lot...
nerdegutta
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This is a question that comes to the board, from time to time. I decided to make a list over some PCB manufacturers. Usually a post starts with one of these questions: "Where can I get boards done?" "Who is best?" "Which is cheapest?" "Which is fastest?" "Who can I trust?" This is a listing...
nerdegutta
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Making the PCB With reference to this article: Projects from A-Z. Part 1. To transfer the boards graphic to a PCB, I'm using the UV method. I bought some UV-LEDs on Ebay, and made a little circuit that controls them. (On request, I will make an artice of my exposure box.) This is my...
nerdegutta
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Finding the project. This is part one of two articles. So how do I start a new project, and how do I decide what to build? Whenever I come up with an idea, I write it down. I have a long list of "projects to-do". It reaches from a simple LED flasher in the bushes, to a more advanced circuit...

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