GPL 3.0

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Raspberry Air Quality Sensor Board copy

1 year ago 198
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An air quality measurement board to be used as HAT on top of the Raspberry Pi B+. It should be easy to use thanks to the on-board labeling of all headers.

It can measure air...

  • temperature
  • humidity
  • pressure (via BMP180 module board "GY-68" or compatible)
  • and volatile organic compounds (VOC) via four MQ gas sensor slots of your choice

Additionally it can drive WS1812B LEDs (aka "NeoPixels") and exposes a couple of useful bus systems (spi/i2c/1wire) via headers.


Sheet_1 copy

v1.1 copy

v1.2 copy


ID Name Designator Footprint Quantity Mounted
1 DHT22 S5 DHT22_AM2303_VERT 1 Yes PRODUCT ID: 385
3 RaspberryPi B+ Connector RPI1 RASPBERRY PI A+ 1 Yes
4 1wire P-1W HDR-3X1/2.54 1 Yes C49257
5 i2c P-I2C HDR-6X1/2.54 1 Yes C37208
6 4k7 R-1W AXIAL-0.3 1 Yes
7 MQ-2 S1,S2,S3,S4 MQ-SOCKET 4 Yes C99296
8 470 R-S1,R-S2,R-S3,R-S4 AXIAL-0.3 4 Yes
9 BSS138 Q1,Q2,Q3,Q4,Q5,Q6 SOT-23(SOT-23-3) 6 Yes 621-BSS138-13-F
10 1u C-RPI CAP-D8.0XF3.5 1 Yes
11 SPI P-SPI HDR-8X1/2.54 1 Yes C27438
12 MCP3903-ISS U1 SSOP-28 1 Yes
13 0.1uF C-ADC-1 RAD-0.1 1 Yes
14 10uF C-ADC-2 CAP-D3.0XF1.5 1 Yes
15 1u C-ADC-3,C-DHT CAP-D3.0XF1.5 2 Yes
16 1u C-ADC-4 RAD-0.1 1 Yes
17 Header-Male-2.54_2x4 P-ADC HDR-4X2/2.54 1 Yes C124386
18 Header-Female-2.54_1x4 P-BMP180 HDR-4X1/2.54 1 Yes C124413
19 SD101CW-E3-08 D1,D2 DO-35 2 Yes C142623


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