What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project ...

It’s easy to take your home electrical system for granted — until it stops working. No one wants to be without light, air ...

As we all know, wearing a helmet is mandatory in most countries, including India while driving a vehicle, not just because of ...

This classic frequency counter was a great DIY solution for audio work. Whether you are designing ... Hueber and presented in the January 1992 edition of ElektorMag, the heart of the circuit is IC1, a ...

The buzzer is connected to the pins that are marked ‘BZ1’. R15 limits the current to a safe value (< 20 mA)." When assembling the circuit in an enclosure, Giesberts explains, you must be sure to ...