https://bsonspec.org/
BSON (Binary JSON) Serialization
json serializationbinary
https://arduinojson.org/
ArduinoJson: Efficient JSON serialization for embedded C++
ArduinoJson is a JSON library for Arduino, IoT, and any embedded C++ project. It supports JSON serialization, JSON deserialization, MessagePack, streams, and...
json serializationarduinojsonefficientembedded