mqtt_STM32Ethernet.ino doesn't compile with Nucleo H743ZI2 · Issue #28 · stm32duino/STM32Examples · GitHub
Compiling for ESP32 under Arduino IDE fails in several points · Issue #322 · fredlcore/BSB-LAN · GitHub
Compile error: 'uint16_t' was not declared in this scope · Issue #211 · ArduPilot/apm_planner · GitHub
![Compile Error 'Serial1 not declared in this scope' on ATMega2560 · Issue #368 · microsoft/vscode-arduino · GitHub Compile Error 'Serial1 not declared in this scope' on ATMega2560 · Issue #368 · microsoft/vscode-arduino · GitHub](https://user-images.githubusercontent.com/3133073/28119287-a0961c50-6757-11e7-86c6-476cd62998a8.png)