Categories: AlarmSensor

Flame, gas and smoke detector

Flame, gas and smoke detector for fire alarm. You can combine this circuit with alarm circuit. The output will be the relay which switch on and switch off the alarm.

Schematic diagram:

The list of components needed:

The above scheme diagram is the diagram of flame detector. The circuit diagram for gas detector and smoke detector separated in different circuit design diagram which can be downloaded from the provided link.

All of schematic diagrams (flame detector, gas detector and smoke detector) are quite simple and easy to built. It uses 12V power supply to work, you may use batteries or accumulator or DC power supply for powering the circuit.

circuit diagram

View Comments

Recent Posts

Power Amplifier 45W Using uPC 1230 + Pre Amp Head uPC 1032

This is the circuit diagram of power amplifier 45W using power uPC 1230 as the…

55 years ago

Horn and Lamp Flasher Circuit for Car Reversing Gear Mode

The Horn Circuit This is a basic circuit of car horn and lamp flasher that…

55 years ago

Alarm Circuit for Drinking Water

This is the circuit diagram of drinking water alarm based a small water sensor by…

55 years ago

200W MOSFET Amplifier based IRFP250N

Here is the 200W MOSFET amplifier powered based on four piece of IRFP250N, they are…

55 years ago

300W RMS Stereo Power Amplifier based IC TDA7294

This is the 300W RMS stereo power amplifier circuit project. This amplifier is based four…

55 years ago

Stereo Tone Control with Line In + Microphone Mixer

This is an active stereo tone control circuit using very well known op-amp IC of…

55 years ago