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Smart Electronics MQ135 MQ-135 Air Quality Detection Sensor

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Smart Electronics MQ135 MQ-135 Air Quality Detection Sensor

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Product functional advantages

1. Adopting high-quality dual panel design, with power indication and TTL signal output indication 2. Equipped with DO switch signal (TTL) output and A0 analog signal output; 3. TTL outputs a valid signal at a low level. When the signal light is on when the output is low, it can be directly connected to a microcontroller or relay module 4. The voltage output from the analog signal, the higher the concentration, the higher the voltage 5. Has good sensitivity for methane and natural gas detection 6. There are four screw holes for easy positioning 7. Product dimensions: 32 (L) * 20 (W) * 22 (H) 8. Long term service life and reliable stability 9. Quick response and recovery features
Input voltage: DC5V
Power consumption (current): 150mA DO output: TTL digital quantities 0 and 1 (0.1 and 5V) AO output: 0.1-0.3V (relatively pollution-free) high concentration voltage of around 4V


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