amir3hamzah (25)in #nodered • 7 years agoTutorial #2 Node-red and Raspberry Pi: Bot Sends Message to Telegram Group When Infrared Sensor is TriggeredIn this tutorial, we are going create a bot that sends push notification when infrared sensor is triggered. With this…amir3hamzah (25)in #tutorial • 7 years agosteemCreated with Sketch.Raspberry Pi 3 + NODE-RED TUTORIAL : Controlling LED with RelayNode-RED is an open-source graphical development (drag & drop) tool created by Nick O'Leary from IBM that helps…