Table 1.

Integrated sensor solutions and their basic specifications.

	BME688 [28]	SGP30 [29]	MS5803-05BA [30]
manufacturer	Bosch	Sensirion	TE connectivity
power supply	1.71–3.6 V	1.62–1.98 V	1.8–3.6 V
acquired parameter (only major parameters included)	IAQ, CO2 eq., ambient temperature, relative humidity, atmospheric pressure	TVOC, CO2 eq. (H2-based)	atmospheric pressure (high resolution), ambient temperature
interfaces	SPI, I2C	I2C (1.8 V)	SPI, I2C
size (in mm³)	3.0 × 3.0 × 0.93	2.45 × 2.45 × 0.9	6.4 × 6.2 × 2.88