This article describes a smart electronic counter that counts the number of pressure-cooker whistles and also time duration of the cooking. It triggers a buzzer alarm when the preset whistles count or ...

there are three button used to set and control the alarm system the first one is the left button, the config button, and the right button. the config button is used to set the system mode such as ...

Upload the Arduino sketch to your Arduino board using the Arduino IDE. Make sure the circuit connections are correctly set up as described in the wiring section. Power up the Arduino board. Open the ...