Comparison page
AHT20 vs MQ-135
Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.
AHT20
Projects needing I2C and Humidity with a commonly available sensors part.
MQ-135
Projects needing Air quality and Gas with a commonly available sensors part.
Specification Matrix
Known Tradeoffs
AHT20
- Breakout boards may use different pin labels or regulator choices
- Clone modules can differ from the original datasheet part
MQ-135
- Breakout boards may use different pin labels or regulator choices
- Clone modules can differ from the original datasheet part