ChipScout

Comparison page

AHT20 vs KY-037

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.

KY-037

Projects needing Sound and Analog with a commonly available sensors part.

Specification Matrix

DimensionAHT20KY-037
CategorySensorsSensors
MakerAosongGeneric
CoreNot specifiedNot specified
ClockNot specifiedNot specified
WirelessNot specifiedNot specified
Voltage3.3V3.3V
LibrariesArduino, MicroPythonArduino
Price$0.60 - $1.80$0.50 - $2.00

Known Tradeoffs

AHT20

  • Breakout boards may use different pin labels or regulator choices
  • Clone modules can differ from the original datasheet part

KY-037

  • Breakout boards may use different pin labels or regulator choices
  • Clone modules can differ from the original datasheet part

Open Individual Model Pages

AHT20

Aosong

Popular Chinese I2C temperature and humidity sensor used as a low-cost SHT-series alternative.

China-madeSensors82% confidence

KY-037

Generic

Low-cost microphone sound sensor module used for basic noise and clap detection demos.

China-madeSensors62% confidence