SPG40 Air Quality MOX Sensor

Committed to providing one-stop electronic hardware services for over a decade, Seeed Fusion has the expertise and engineering insight to deliver streamlined PCB assembly at low costs and is equipped with a wide range of value-added services and capabilities. Check out their website to know about their manufacturing capabilities and service.

To available Seeed Studio Sevices: https://www.seeedstudio.com/prototype-pcb-assembly.html

Features

Uses I2C interface (Qwiic-enabled)

• I2C Address: 0x58
• 2x Qwiic Connectors

Operating voltage range

• 1.62V - 1.98V (Typ. 1.8V)
• Regulated to 1.8V from a 3.3V source if using the Qwiic cable

TVOC Output Signal

• Output range: 0 ppb to 60, 000 ppb
• Resolution: Avg. 13 ppb. Refer to datasheet for specifics

CO2 Output Signal

• Output range: 400 ppm to 60, 000 ppm
• Resolution: Avg. 11ppm.

Ethanol Signal

• Measurement Range: 0 ppm to 1, 000 ppm
• Accuracy: Typ. 15% of meas. value
• Resolution: 0.2% of meas. value

H2 Signal

• Measurement Range: 0 ppm to 1, 000 ppm
• Accuracy: Typ. 10% of meas. value
• Resolution: 0.2% of meas. value

Typical current consumption (varies based on mode)

• 48.2 mA Typ. (Measurement Mode)
• 2µA (Typ.) to 10µA (Sleep Mode)

Schematics, Bill of Materials, and PCB Layout along with 3D view is attached below

Now we have got the PCB design and it’s time to order the PCB’s. For that, you just have to go to Seeed Studio and click on the“QUOTE NOW” button.

To get the PCB manufactured, upload the Gerber file you downloaded in the last step. Upload the.zip file or you can also drag and drop the Gerber files.

After uploading the zip file, you’ll see a success message at the bottom if the file is successfully uploaded.

You can review the PCB in the Gerber viewer to make sure everything is good. You can view both the top and bottom of the PCB. After making sure our PCB looks good, we can now place the order at a reasonable price. You can order 5 PCBs for just $2 but if it’s your first order then you can get 5 PCBs for $2.

To place the order, click on the“SAVE TO CART” button. My PCBs took 2 days to get manufactured and arrived within a week using the DHL delivery option. PCBs were well packed and the quality was really good.