2 layers99.9 × 99.9 mm Airquality, the printed circuit board in 3D

Airquality

A module based air quality sensor

Size: 99.9 × 99.9 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 46
Nets: 47
Pads: 140
Tracks, vias: 282, 12
Routed: Yes
KiCad: KiCad 5 (file 20171130)
Created: 1 Jun 2020
Updated: 7 Jun 2023

Overview

Airquality is an open-source printed circuit board by sebastius, from the sebastius/airquality repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 99.9 × 99.9 mm with 46 parts on 47 nets, routed with 282 tracks and 12 vias.

It is built around the PMS7003M, DS18B20 and BSS138, with the SK6812 among its other parts. Its parts include 25 connectors, 4 resistors, 3 capacitors, 3 ICs and 1 diode. It belongs with the sensors and measurement boards of this library.

Main components

README

README.md

airquality

A module based air quality sensor

Will feature

ESP32
BME280 for temperature, relative humidity and pressure
PMS7003 for PM2.5 particles
MH-Z19 for CO2

(and will strive for expandability with several standarized connectors)

Parts

Qty	Value	Footprint	References
16	Conn_01x01_Male	Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical	J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J13, J14, J15, J16, J22, J25
4	4k7	Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder	R1, R2, R3, R4
4	Conn_01x04_Female	Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical	J18, J19, J23, J24
4	MountingHole	MountingHole:MountingHole_3.2mm_M3	H5, H6, H7, H8
3	100nF	Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder	C1, C5, C6
2	Conn_01x04_Male	Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal	J20, J21
2	Conn_02x10_Odd_Even	Connector_PinSocket_2.54mm:PinSocket_2x10_P2.54mm_Vertical	J1, J12
2	DS18B20	Package_TO_SOT_THT:TO-92_Inline	U2, U3
2	MountingHole	MountingHole:MountingHole_4.3mm_M4	H1, H2
2	MountingHole	parts_models:keyhole	H3, H4
1	BSS138	Package_TO_SOT_SMD:SOT-23	Q1
1	MHZ19	Sensor_MH-Z19:Sensor_MH-Z19	J17
1	PMS7003	parts_models:PMS7003	U1
1	SK6812	LED_SMD:LED_SK6812_PLCC4_5.0x5.0mm_P3.2mm	D1
1	SW_Push	Button_Switch_SMD:SW_SPST_TL3342	SW1

Questions

How big is the Airquality PCB?

It measures 99.9 × 99.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Airquality use?

46 parts, built around the PMS7003M, DS18B20, BSS138 and SK6812. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Airquality KiCad files?

From the sebastius/airquality repository on GitHub, at the commit this page was made from: the board is airquality.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Airquality design in my own project?

Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Category and platform

Sensors and measurement

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/sebastius-airquality" title="Airquality in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/sebastius-airquality.jpg" alt="Airquality" width="1200" height="900">

A picture that opens the board, for a README

[![Airquality](https://pcbkit.io/embed/boards/sebastius-airquality.jpg?size=s)](https://pcbkit.io/boards/sebastius-airquality)

Source

Repository: sebastius/airquality
Board file: airquality.kicad_pcb
Commit: 7c77cf1
Licence: CC0-1.0

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