This is the diagram of heat detector circuit which already integrated with siren circuit in the output. This circuit applies…
This the Good Quality FM transmitter for your stereo or any other amplifier gives you a pretty good signal strength…
This is a low-cost and simple intercom circuit design. Some intercom circuits is build by applying integrated circuits. The circuit…
This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here…
This is really a very simple home telephone ring tone generator circuit which is built with applying only several electronic…
Automatic Switching-on Emergency Light The schematic diagram shown right here is the automatic switching-on emergency light circuit which is controlled…
This is the schematic diagram of DC motor speed controller circuit. The circuit applies two oscillators/timers which are connected as…
Here the simple schematic of multitone siren alarm circuit. This multitone siren is effective for reverse horns, burlgar alarms, and…
This is definitely an ultra-sensitive fire sensor that exploits the direct piezoelectric property of an ordinary piezo component to recognize…
Here the project report of DC/AC pure sine wave inverter. This report focuses on DC to AC electrical power inverters,…