As part of my HC-12 hacking project I needed to acquire the firmware of an STM8 microcontroller that had readout protection enabled. Readout protection is selected by programming the ROP option byte to 0xAA.
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I got the Xbox adaptive controller for a few weeks now and it’s quite an impressive device. Its goal is to help gamers with limited mobility. But once you know how it works you can actually use it to interface with any device you can think of others than gaming.
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This is a design review checklist for signoff review on all PCB designs. Please use my checklist, I made these mistakes so you don’t have to! Nearly every line item here came from the school of hard knocks.
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When you have worked with VHDL code written by many other FPGA engineers, you are bound to notice that there are two common ways to model an edge detector in VHDL. There’s the rising_edge(clk) statement, and there’s the old style clk’event and clk = ‘1’ method.
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With some clever hacks and fast IO work, it’s possible to get your average garden-variety microcontroller to output some form of video. Old analog standards like composite and VGA are just slow enough that it’s possible to bitbash one’s way to success.
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This weekend, I decided to fully restore a Super Nintendo “1CHIP” console I had and wanted to post what I did, as well as why I did it.
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The ZX Spectrum in its original form produces a radio frequency signal that can be fed into an analog TV. The quality of this signal is very poor, but this can be improved by a simple modification that will make the ZX Spectrum output a composite video signal instead.
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An open-source Sega Genesis / Mega Drive cart dumper. This repository includes the sources for the hardware, the firmware running on the hardware, and computer programs used to interface with the dumper.
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Welcome to The NEO430 Processor project! You need a small but still powerful, customizable and microcontroller-like processor system for your next FPGA project? Then the NEO430 is the right choice for you.
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