Comparison page

DS18B20 vs QMI8658

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.

DS18B20

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

QMI8658

Projects needing China-made and 6-axis IMU with a commonly available sensors part.

Specification Matrix

DimensionDS18B20 QMI8658

CategorySensorsSensors

MakerAnalog DevicesQST

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.80 - $3.00$0.80 - $2.00

Known Tradeoffs

DS18B20

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

QMI8658

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

Open Individual Model Pages

DS18B20

Analog Devices

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

China-madeSensors86% confidence

QMI8658

QST

China-made 6-axis IMU frequently found on modern low-cost ESP32 development boards.

China-madeSensors76% confidence