Mains Frequency

Nodemcu ESP8266 IOT Power Lines Mains frequency monitoring 50Hz

Description: This Tutorial is based on the IOT Mains Frequency Monitoring system, in this Tutorial, you will learn how to make 110/220vac mains frequency monitoring system using Arduino, a Zero Crossing detector... Read more »
power supply for nodemcu

Power supply for Nodemcu esp8266 wifi module

Description: In this tutorial, you will learn how to make your own power supply for Nodemcu esp8266 wifi module so that it can be easily powered up using a 12v adaptor or... Read more »
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