Circuit Setup: Connect the buzzer module to the Arduino Nano as described above. Code Upload: Copy and paste the provided code into the Arduino IDE. Select the appropriate board (Arduino Nano) and ...

It generates buzzer alarm when set counts or time duration is reached. Circuit Description The Circuit diagram of smart whistle counter is shown in figure-1, It is based on Arduino Mega 2560 board.

[IngGaro]’s system is built around a shield for an Arduino Mega. This shield includes connections to an alarm system, a GSM modem, temperature and humidity sensors, an Ethernet module, and IR ...