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A minimal, header-only Bluetooth Low Energy Current Time Service (CTS) client and server for Arduino and the desktop. See the README for the features and a quick start.

• Class Documentation
• Bluetooth Stacks: the supported platforms (ESP32, nRF5, ArduinoBLE boards, Pico W, Linux, macOS, Windows), notes for each and the source layout
• CTS or NTP?: what Bluetooth time is good for, where NTP is better, and how to use both together with TinyNTP
• Time Zones: Local Time Information, UTC or local time
• Server Time Sources: software clock, system time, TinyNTP and your own sources for the server
• Security: pairing and setting the time
• Command Line Tool: tinycts for the desktop
• Examples: the example sketches
• Tests: the automatic tests and how to run them