TechOverflow blog

How long does portMAX_DELAY actually wait in FreeRTOS?

Categories: Embedded, FreeRTOS

Uli Köhler

2022-01-07 0 min read

How to fix ArduinoJSON: error: 'DynamicJSONDocument' was not declared in this scope

Categories: C/C++

Uli Köhler

2022-01-07 0 min read

How to fix PlatformIO ArduinoJSON .pio/libdeps/ESP32/ArduinoJson/src/ArduinoJson/Variant/ConverterImpl.hpp:43:5: error: static assertion failed: To use 64-bit integers with ArduinoJson, you must set ARDUINOJSON_USE_LONG_LONG to 1

Categories: Arduino, Electronics, ESP8266/ESP32, PlatformIO

Uli Köhler

2022-01-07 1 min read

Should you use 32 bits or 64 bits for milliseconds since epoch timestamps?

Categories: C/C++

Uli Köhler

2022-01-07 0 min read

How I fixed docker panic: assertion failed: write: circular dependency occurred

Categories: Container, Docker

Uli Köhler

2022-01-05 4 min read

What 6-pin connector do NEMA23 stepper motors use?

Categories: 3D Printing

Uli Köhler

2022-01-04 0 min read

How to encode UHD 4K video from camera for DaVinci Resolve input using ffmpeg

Categories: Audio/Video

Uli Köhler

2022-01-03 1 min read

Whats does "PM" mean in RF communications?

Categories: Electronics

Uli Köhler

2022-01-03 0 min read

How to save systemd journalctl log to json file

Categories: Linux

Joshua Simon

2022-01-03 0 min read

iperf3 TCP minimal example commands

Categories: Networking

Uli Köhler

2022-01-03 0 min read