Features

• Make Tx payload size configurable (#44)
• Allow other task to run while waiting (#68)

Fixes

• GCC reorder warning (#60)
• Buffer overflow introduced with #44 (#70)
• Examples build for ESP8266 (#74)

CI

• Modernize CI workflows (#51) (#59) (#61)
• Bump actions from 2 to 3 (#63) (#66) (#67)
• Add ESP 32 platform (#73)