Here we use Nodemcu-12e and Thingspeak to create an application of home automation we transmit the pir data which detetcts any motion to our thingspeak server which is then graphed So in this case we ...

Arduino Presence Detector with Telegram Feedback This arduino project demonstrates how to create a motion detection system using the ESP8266 NodeMCU that sends notifications to your Telegram account ...

Fig. 1: Author’s prototype Fig. 2: Block diagram of motion sensor alarm Circuit and working The circuit diagram of the motion sensor alarm is shown in Fig. 3. It consists of a PIR motion sensor (MS1), ...