[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...

This project demonstrates how to create an anti-sleep alarm system for drivers using an Arduino Nano and a Relay Module. The system detects signs of drowsiness or fatigue in the driver and triggers an ...

Follow the hardware setup instructions detailed above to connect moisture sensors, the water level system, SIM800L module, and relay modules. Power Up the System: Power up your Arduino board using an ...

If you have a bare RGB LED instead of a module in a breakout board, you can make something akin to a module by attaching resistors on each of the color pins. The resistance value varies per ...