Comparison page

HC-SR04 vs JSN-SR04T

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.

HC-SR04

Projects needing Distance and Ultrasonic with a commonly available sensors part.

JSN-SR04T

Projects needing Waterproof and Distance with a commonly available sensors part.

Specification Matrix

DimensionHC-SR04 JSN-SR04T

CategorySensorsSensors

MakerGenericGeneric

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.80 - $2.00$3.00 - $8.00

Known Tradeoffs

HC-SR04

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

JSN-SR04T

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

Open Individual Model Pages

HC-SR04

Generic

Classic ultrasonic distance sensor module used in robotics obstacle detection and beginner projects.

China-madeSensors78% confidence

JSN-SR04T

Generic

Waterproof ultrasonic distance sensor module for outdoor tank level and proximity projects.

China-madeSensors68% confidence