Comparison page

AHT20 vs INA219

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.

INA219

Projects needing Current and Voltage with a commonly available sensors part.

Specification Matrix

DimensionAHT20 INA219

CategorySensorsSensors

MakerAosongTexas Instruments

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino, MicroPython

Price$0.60 - $1.80$1.50 - $4.00

Known Tradeoffs

AHT20

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

INA219

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

INA219

Texas Instruments

I2C current and bus voltage monitor widely used for power measurement modules.

China-madeSensors86% confidence