[Glen]’s project sounds perfectly straightforward: have a big industrial-style push button act as a one-key USB keyboard. He could have hacked something together in any number of ways, but in… ...

Click here to purchase one from the Adafruit shop The Adafruit Push-button Power Switch is a tidy little design that lets you control a DC power source using an everyday tactile button. The breakout ...

5V Relay Module : Turns the AC Water Pump on/off based on the system's logic. Push Button Switch : Allows manual control of the water pump. AC Water Pump: Pumps water into the tank. Pipes (2 meters or ...