Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Main Sensor Chip	ScioSense ENS160
Humidity Sensor	AHT20
Communication Interface	I2C, UART
Operating Voltage	3.3V to 5V DC
CO2 Detection Type	eCO2 (Estimated)
TVOC Measurement Range	0 to 65000 ppb
Temperature Range	-40°C to 85°C
Humidity Range	0% to 100% RH
Module Dimensions	25mm x 25mm
Net Weight	Approx. 5g

5 reviews

Anonymous

Mar 18, 2026

Rating: 4/5

Good value

Solid module. Documentation could be clearer on UART pins.

Anonymous

Mar 15, 2026

Rating: 5/5

Great for Home Automation

Works perfectly with ESP32. Readings seem consistent over time.

Anonymous

Mar 09, 2026

Rating: 4/5

Easy to start

Found a library on GitHub easily. CO2 takes time to stabilize.

Anonymous

Mar 09, 2026

Rating: 5/5

Bulk Order Success

Bought 10 for our workshop. All functioning correctly.

Anonymous

Jan 30, 2026

Rating: 5/5

Accurate Humidity

AHT20 part is very responsive to changes in room humidity.

5 FAQ

Q: What is the I2C address?

A: Default I2C address is typically 0x52 or 0x53 depending on configuration.

Q: Arduino library available?

A: Yes, several open-source libraries support ENS160 on GitHub.

Q: Does this measure real CO2?

A: It measures eCO2 (estimated) based on VOC algorithms, not NDIR direct CO2.

Q: Can I use this outdoors?

A: It is not waterproof. Use an enclosure for outdoor projects.

Q: Is 5V input safe?

A: Yes, the module includes a regulator for 3.3V-5V input.

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