DIY

CO2 monitoring device

CO2 monitoring device As the name suggests, this device is a CO2 gas sensor that connects to a USB port for monitoring indoor and outdoor pollution.
CO2 levels are displayed in real time. Using the application, you can capture the image of the graph.
Tools and materials: -CO2 sensor MH-Z19B; -Microcontroller Arduino Nano; -Display TM1637; -Connecting wires;
-3D-printer;
-Plywood ;
-Nippers;
Device for monitoring the level of CO2 Partially details of the case printed on a 3D printer, partially (front panel) cut from plywood on a CNC laser machine.
Device for monitoring CO2 level CO2 monitoring device  CO2 monitoring device CO2 level monitoring device Files for printing and cutting the body can be downloaded below.
FacadeBois.pdfFacadeBois.svgBoitierFaceBois.stlBoitierFond.stlBoitierFace.stlStep one: printing and cutting parts
Assembling the body is simple.
Device for monitoring the level of CO2 Device for monitoring CO2 level CO2 level monitoring device Step two: installation of electronics
Next mounts electronics and installs in the case.
 Device for monitoring CO2 level CO2 monitoring device  Device for monitoring CO2 level CO2 level monitoring device Device for monitoring CO2 level CO2 level monitoring device Device for monitoring CO2 level The master makes a Y-cable to power the sensor and display from 5V Arduino.
CO2 monitoring device  Device for monitoring the CO2 level CO2 monitoring device  Device for monitoring CO2 level CO2 level monitoring device Device for monitoring CO2 level Connects all other wires.
Contact D2 ( Arduino ) & gt; PWM pin (CO2 sensor)
D4 pin (Arduino) & gt; CLK pin (7-segment display)
D5 pin (Arduino) & gt; DIO pin (7-segment display)
5v pin (Arduino) & gt; V + pin (CO2 sensor), Vcc pin (7-segment display)
GND pin (Arduino) & gt; Contact V- (CO2 sensor), Contact Gnd (7-segment display)
CO2 level monitoring device Device for monitoring CO2 level CO2 level monitoring device Device for monitoring CO2 level Device for monitoring the level of CO2 After installation, collects case.
Device for CO2 level monitoring CO2 level monitoring device Device for monitoring CO2 level Step three: code
Now you need to connect the device to your computer and download the code. The code can be downloaded below.
AfficheurCO2.ino
Device for monitoring the CO2 level  CO2 monitoring device Everything is ready. After downloading the code, the device, if done correctly, the device should work.

Source:

usamodelkina.ru

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