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Author: georgik

IoT Posted on22. April 20246. May 2024

Wokwi: Simulation of ESP32 fails with invalid header: 0xffffffff

Wokwi is able to simulate ESP32 chips also in VS Code or CLion. It’s sufficient to add wokwi.toml and diagram.json to the project. wokwi.toml contains […] Read More

Development Posted on5. March 2024

Linking of application failed with: can’t link soft-float modules with single-float modules

When building an application for RISC-V you may get following linking error: The problem is that ABI of the library does not match the application. […] Read More

Software engineering Posted on28. February 202428. February 2024

qt.qpa.plugin: Could not load the Qt platform plugin “xcb” in “” even though it was found.

After the installation of QtCreator on Linux you might get following error messag when launching the application: It is likely one of libraries required by […] Read More

IoT Posted on14. December 202314. December 2023

How to connect USB and PS/2 Keyboards to ESP32 with Rust no_std and std

Have you ever wondered how to connect a PC keyboard to your ESP32 for innovative projects? Whether it’s an old PS/2 keyboard or a modern […] Read More

Development Posted on7. August 20237. August 2023

How to extract Rust function signatures from .rs file using sed – one-liner

To extract function signatures from .rs file you can use following one-liner with sed: Sample output:

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