Comparison page

DHT11 vs DS18B20

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.

DHT11

Projects needing Temperature and Humidity with a commonly available sensors part.

DS18B20

Projects needing Temperature and 1-Wire with a commonly available sensors part.

Specification Matrix

DimensionDHT11 DS18B20

CategorySensorsSensors

MakerAosongAnalog Devices

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino, MicroPython

Price$0.40 - $1.00$0.80 - $3.00

Known Tradeoffs

DHT11

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

DS18B20

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

Open Individual Model Pages

DHT11

Aosong

Low-cost digital temperature and humidity sensor module used in beginner Arduino projects.

China-madeSensors78% confidence

DS18B20

Analog Devices

1-Wire digital temperature sensor commonly used in waterproof probes and outdoor monitoring.

China-madeSensors86% confidence