MQ-9 CARBON MONOXIDE COMBUSTIBLE GAS SENSOR MODULE

Using high-quality dual-panel design, with a power indicator and TTL signal output indicator
With a the DO switch signal (TTL) output, and AO analog signal output
TTL output valid signal is low.
0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage.
Carbon monoxide detector, better sensitivity.
Product Dimensions: 32 (L) * 20 (W) * 22 (H)
With a long life and reliable stability
Rapid response and recovery characteristics
Operating voltage: 5V