AT89S52 Development Board (Mini) – Buzzer Interfacing
In AT89S52 Mini Development Board has an on board buzzer, connected to port pin P1.6 via jumper (J5). If the jumper is left …
ARM LPC2138/48 Mini Development Board – BUZZER Interfacing
LPC 2138/48 mini development board has an on-board buzzer connected to port pin P0.21 via jumper J10. To use the buzzer, it …