- u -
- UdpConnection() : UdpConnection
- unit() : NanoTime::TimeConst< Clock_, unit_, time_ > , NanoTime::TimeSource< Clock_, unit_, TimeType_ > , PolledTimer::Timer< Clock, unit_, IsPeriodic, TimeType >
- unregisterCommand() : CommandHandler
- unsubscribe() : MqttClient
- update() : Crypto::HashContext< Engine_ > , Crypto::HmacContext< HashContext > , HardwarePWM , Profiling::MinMax< T > , Profiling::MinMaxTimes< Timer >
- Url() : Url
- UrlencodedOutputStream() : UrlencodedOutputStream
- usToTicks() : CallbackTimer< TimerApi >