Difference between revisions of "CO2 Soil Respiration Chamber"
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== CO2 soil chambers == | == CO2 soil chambers == | ||
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+ | === BambooBox === | ||
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+ | [[File:IMG_20180616_122121.jpg|400px]] | ||
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+ | ====Wiring diagram==== | ||
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+ | [[File:CO2-BambooBox_WiringSchema.jpg|400px]] | ||
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+ | === RandeChamber aka Kilju Chamber === | ||
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+ | [[File:RandeSoilChamber.jpg|400px]][[File:KiljuChamber_laserCut.jpg|400px]] | ||
+ | |||
+ | === Failed PCB... === | ||
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+ | [[File:KiljuBox_SZ-Ready.png|400px]][[File:CO2_littleBox_digitalMockUp.png|400px]] | ||
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+ | === First Prototypes === | ||
[[File:First_CO2_setup_MH-Z19.jpg|400px]][[File:First_CO2_soil_trial_MH-Z19.jpg|400px]] | [[File:First_CO2_setup_MH-Z19.jpg|400px]][[File:First_CO2_soil_trial_MH-Z19.jpg|400px]] |
Revision as of 07:23, 17 June 2018
Developed during the RandeLab Soil Retreat
CO2 soil chambers
BambooBox
Wiring diagram
RandeChamber aka Kilju Chamber
Failed PCB...
First Prototypes
Comparing sensors and chambers
Using the Our-Sci Platform
https://app.our-sci.net/#/survey
More about CO2 sensors:
See RandeLab GitHub for Arduino / Teensy codes
Nondispersive infrared sensor
MH-Z16, available with an I2C board:
MH-Z19:
This page is about the MH-Z19 CO2 sensor and some experiments done with it:
Using the MH-Z19 CO2 sensor PWM readout, simple arduino code:
More on ABC, Automatic Baseline Correction
Immerhin kann man den Sensor per Hd-Pin (7s gegen GND) auf 400ppm (Außenluft) eichen.
CCS811
CCS BME combo
This one I ordered 2.... but check I2C adress. and connect "WAK" to GND
- #define CCS811_ADDR 0x5A //Alternate I2C Address
- myBME280.settings.I2CAddress = 0x76;
https://www.tindie.com/products/onehorse/air-quality-sensors/