REST API: Node-red dashboard showing time elapsed between DI state changes - видео

Node-red dashboard displaying time elapsed between digital input changes. E.g. Function id 1 is the time elapsed between the falling edge of digital input 1 to the rising edge of digital input 2. Function id2 is the time elapsed between the falling edge of DI 1 to the rising edge of DI 3.,
Источник видео: RuTube.ru (Лайфстайл)