i want a circuit which will generate a beep sound after certain counting done with the help of up-counter.As i want to dtect the number of items passing through the sensor ina conveyor belt in an industry. And after reaching the limit of production,it will give a beep sound.For example, after the production of every 500 bottles. We will be doing the counting with a help of microcontroller(89C51).
I will be very grateful if anyone can provide me with details or any kind of help n this project.
Thanks.