CO2 and eCO2 sensor comparison

Small system to compare the Sensirion SCD30 (≈40€. Mouser) CO2 sensor, the Renesas (IDT) ZMOD4410 (≈7€. Mouser) TVOC/eCO2/IAQ sensor and the ScioSense CCS811 (≈7€. Mouser) TVOC/eCO2 one.

Results

Public Grafana dashboard

TODO

Notes:

• ZMOD4410 using the 1st GEN algorithm in low power mode with a fixed period of 6s.
• CCS811 with a fixed period of 10s.
• CCS811 NOT using temp&rh compensation.

There are another branch with other tests.

Test board