https://electronicsforu.com/electronics-projects/washbasin-mirror-light-controller-2

Arduino-based Front Office Visitor Alarm

 YOUTUBE:-Arduino-based Front Office Visitor Alarm
EFY:-arduino-based-visitor-alarm

Iron Box Power Saver

  for more details;- Iron Box Power Saver

Door Opening Alarm with Sound Alert

 for more details;- Door Opening Alarm with Sound Alert

Seven Color Led Lighting

For more details:http://electronicsforu.com/electronics-projects/seven-colour-led-lighting

water level indicator using 7 segment display

 For more details;-  http://electronicsforu.com/electronics-projects/hardware-diy/water-level-indicator-using-7-segment-display