RGBMatrixEmulator
ghidra
RGBMatrixEmulator | ghidra | |
---|---|---|
3 | 126 | |
77 | 47,857 | |
- | 1.9% | |
7.7 | 10.0 | |
about 1 month ago | 2 days ago | |
Python | Java | |
MIT License | Apache License 2.0 |
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RGBMatrixEmulator
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Ask HN: Most interesting tech you built for just yourself?
https://github.com/ty-porter/RGBMatrixEmulator
One of the side projects I work on is a scoreboard that displays MLB scores. It's highly configurable -- you buy the size panel you want and a Raspberry Pi, install the software, and you can configure it to display games, standings, and news headlines for your favorite team or division.
The problem is that the hardware is purchased by the end user, so it can come in many different sizes. I think we officially support 6 or 7 sizes right now, and each panel can be a chunk of change if you get a nice one. If we wanted to test on every device that means I need to shell out 50 bucks x 7 sizes, plus Raspberry Pi and wiring adapter, so not insignificant for a hobby project. Instead, I wrote a drop-in replacement emulator that makes it super simple to emulate any size panel across a variety of display types.
The most advanced display adapter spins up a minimal webserver and serves emulated images over a websocket, meaning you can display your panel over the network on pretty much any device with a web browser.
I write about it quite a bit, if further interested: https://blog.ty-porter.dev/categories.html#emulation-ref
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Emulating Raspberry Pi LED Panels
Hi guys, I'm the developer behind RGBMatrixEmulator, a Python library to emulate LED matrices that run on Raspberry Pi via rpi-rgb-led-matrix driver library by Henner Zeller.
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I'm giving out microgrants to open source projects for the third year in a row! Brag about your projects here so I can see them, big or small!
I maintain RGBMatrixEmulator, a Raspberry Pi LED matrix emulator written in Python. It emulates the Python bindings provided by rpi-rgb-led-matrix, the most common LED matrix driver beginners choose when writing code for LED displays.
ghidra
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TryHackMe- Compiled
Let's see what our beloved software reverse engineering framework Ghidra has to show.
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OpenAI is working with the US military now
Define war machinery. Contributing to Ghidra?
https://github.com/NationalSecurityAgency/ghidra
- Ghidra 11.0 Released
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Dogbolt Decompiler Explorer
Binary Ninja likewise is empty and keeps up just fine as well. It's not a coincidence that the two commercial products that are funding it are both confident enough to put their stuff online like this.
And it's no conspiracy theory or intentional sandbagging, you can see the implementation: https://github.com/decompiler-explorer/decompiler-explorer
and if anyone can improve the other tools performance we'd be happy to accept it. We reached out to the Ghidra devs: https://github.com/NationalSecurityAgency/ghidra/issues/5228 but they didn't have any silver bullets for us either.
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Show HN: Ghidra Plays Mario
Nice, I'll give it a closer look. My only concern so far is memory hooking (still needed for hardware registers), which on Java side was called by FilteredMemoryState [1]. In memstate.cc it looks like just the simpler MemoryState is implemented [2], and there's no equivalent to MemoryAccessFilter. But it might not be that complicated to add...
[1]: https://github.com/NationalSecurityAgency/ghidra/blob/4561e8...
[2]: https://github.com/NationalSecurityAgency/ghidra/blob/4561e8...
- NSA releases Ghidra version 10.3.3
- Ghidra 10.3.2 released!
- Ghirda 10.3.2 released!
- Debugger Ghidra Class
What are some alternatives?
rpi-rgb-led-matrix - Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO
x64dbg - An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.
gentooinstall
cutter - Free and Open Source Reverse Engineering Platform powered by rizin
GitExtensions - Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2015/2017/2019).
rizin - UNIX-like reverse engineering framework and command-line toolset.
space-station-14 - A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.
r2ghidra - Native Ghidra Decompiler for r2
bevy - A refreshingly simple data-driven game engine built in Rust
ret-sync - ret-sync is a set of plugins that helps to synchronize a debugging session (WinDbg/GDB/LLDB/OllyDbg2/x64dbg) with IDA/Ghidra/Binary Ninja disassemblers.
sysidentpy - A Python Package For System Identification Using NARMAX Models
ghidra-dark - Dark theme installer for Ghidra