Description: Water Quality Monitoring System, In this Tutorial, you will learn how to make an IOT based water quality monitoring system using Arduino, pH Sensor, Nodemcu esp8266 wifi module and Blynk Application.... Read more »
Description: In this Tutorial, you will learn how to monitor the Vibration wirelessly using Nodemcu esp8266 wifi module, Vibration sensor SW- 420, and Blynk application. As the wireless vibration sensor is an... Read more »
Description: In this Tutorial, you will learn how to monitor the Battery voltage from anywhere around the world and control DC light bulbs and other dc loads using 12v SPDT type relays.... Read more »