Description: Battery Efficiency Monitoring- In this tutorial, you will learn how to monitor the efficiency of a 12v Battery using Arduino, 0 to 25v voltage sensor, HC-05 Bluetooth Module, RTC DS3231 Real... 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 »