An attendance system based on Arduino and RFID reader which will save attendance data in real-time to Google spreadsheet.

This GrowBox Controller handles temperature, humidity, fan and lights, and configuration is made via web server. CSV logs and remote cloud!

How to measure the instantaneous power absorbed by the electrical system and send it to a display & sound a buzzer if max power is reached.

This system monitors places where water could leak and turn the main water valve if any water leakage is detected.