/explore
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blog.qiqitori.com | ||
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systemoverlord.com
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| | | | | After playing around with a custom DEF CON badge, I wanted to do another electronics project just for fun. What better time to share electronics with others than Christmas? So I decided to do a custom ornament for friends and family. Though it shared some characteristics with my DEF CON badge (blinken lights, battery powered, etc.), the similarities ended there. In this case I want something lightweight (it's going on a tree branch), simple (the XXV badges took a long time to assemble by hand), and that could run off a coin cell battery for days. | |
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homediyelectronics.com
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| | | | | What can a sound card oscilloscope do for me? To try and answer that question I've built a simple astable multivibrator and applied the oscilloscope to it. | |
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td0g.ca
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jborza.com
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| | | Over a month ago I bought an Altera Cyclone IV board from a local seller, it seems to be listed on Aliexpress as well. It's marked as A-C4E6E10, and features: Altera Cyclone IV EP4CE6E22C8 FPGA chip with 6272 logic elements, 270 Kbits of memory 8-digit seven-segment LCD display 8 position DIP switch VGA output PS/2 input port (comes in handy to try out keyboard processing) buzzer a couple of push buttons a handful of IO pins, some of which can be used as a connector for a 1602/12864 display and 22 miscellaneous pins CH340 USB to serial chip 1602 display has 2 lines of 16 characters, each 5x8 pixels 12864 dot matrix display has a resolution of 128x64 pixels, hence the name | ||
