Summary of MQ-7 CARBON MONOXIDE ALARM CIRCUIT PIC16F88
This article describes a carbon monoxide alarm circuit using an MQ-7 sensor and PIC16F88 microcontroller. Operating at 12V DC, the system detects CO levels and activates a relay to trigger external devices like sounders or lamps when thresholds are exceeded. The project includes schematic PCB designs and assembly source code for implementation.Parts used in the MQ-7 Carbon Monoxide Alarm Circuit:
- MQ-7 Carbon Monoxide Sensor
- PIC16F88 Microcontroller
- 12V DC Power Supply
- 12V Relay
- Sounder
- Lamp
MQ7-CO Sensor detection using that carbon monoxide alarm circuit PIC16F88 microcontroller based on the operating voltage 12v dc carbon monoxide detection whether by level in circuit 12v relay attracts the relay is connected to whatever (sounder, lamp, etc. ..)... Electronics Projects, MQ-7 Carbon Monoxide Alarm Circuit PIC16F88 "microchip projects, microcontroller projects, pic assembly example, pic16f88 projects,
MQ7-CO Sensor detection using that carbon monoxide alarm circuit PIC16F88 microcontroller based on the operating voltage 12v dc carbon monoxide detection whether by level in circuit 12v relay attracts the relay is connected to whatever (sounder, lamp, etc. ..) is working
MQ-7-CO While carbon dioxide (CO2) is not poisonous as such (in fact the air we breathe naturally contains around 0.03% carbon dioxide), in sufficient quantity it can displace oxygen in the air and therefore cause suffocation.
PIC16F88 CARBON MONOXIDE MQ-7 ALARM CIRCUIT
Source: http://www.siliconchip.com.au/cms/A_105031/article.html
Carbon Monoxide Alarm schematic pcb PIC16F88 pic assembly source code alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-2551.zip
Source: MQ-7 CARBON MONOXIDE ALARM CIRCUIT PIC16F88
- What is the operating voltage of the circuit?
The circuit operates based on 12V DC. - Which microcontroller is used in this project?
The PIC16F88 microcontroller is used. - How does the system react to detected carbon monoxide?
A 12V relay is attracted to activate connected devices like a sounder or lamp. - Can the relay be connected to devices other than a sounder?
Yes, the relay can be connected to a lamp or similar devices. - Is carbon dioxide considered poisonous in this context?
No, carbon dioxide is not poisonous as such, but it can displace oxygen in sufficient quantities. - Where can the source code be downloaded?
The source code is available in a file named LINKS-2551.zip. - Does the air naturally contain carbon dioxide?
Yes, the air we breathe naturally contains around 0.03% carbon dioxide. - What happens if there is insufficient oxygen due to carbon dioxide?
It can cause suffocation.
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