If you're looking to take on a new project with your Arduino, perhaps creating a smart trash can could be in the cards. Yes, it might sound strange but having a smart garbage bin could actually be ...

Smart Coffee ... It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...