Raspberry Pi Connect has officially exited its beta phase with the launch of version 2.5, introducing significant data ...

[Jonathan] tapped into the buzzer with a relay since the system uses medium voltage AC to operate. A Raspberry Pi triggers a transistor using its GPIO to click the relay on and off, effectively ...

The Raspberry Pi is an excellent platform for tinkering ... relays, a servo motor, a buzzer, gyroscope module, various LEDs, ...