TechOverflow blog

How to fix Oracle cloud Create Instance: Can't select Ubuntu image

Categories: Cloud

Uli Köhler

2022-01-16 0 min read

LIRC Setup for Raspberry Pi (Receiver)

Categories: Raspberry Pi

Tobias Gutmann

2022-01-14 0 min read

NodeJS MQTT minimal subscribe example with JSON messages

Categories: Javascript, MQTT, NodeJS

Uli Köhler

2022-01-09 0 min read

NodeJS MQTT minimal subscribe example

Categories: Javascript, MQTT, NodeJS

Uli Köhler

2022-01-09 0 min read

How to fix Homeassistant "403: forbidden" on login

Categories: Home-Assistant

Uli Köhler

2022-01-08 0 min read

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