Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Operating Voltage	5V DC
Operating Current	15mA
Operating Frequency	40Hz
Measuring Range	2cm - 400cm
Measuring Angle	15 degrees
Trigger Input Signal	10uS TTL pulse
Echo Output Signal	TTL level signal
Dimensions	45mm x 20mm x 15mm
Weight	10g
Interface	4 Pin (VCC, Trig, Echo, GND)

5 reviews

Anonymous

Mar 21, 2026

Rating: 4/5

Good value sensor

Accurate enough for indoor use. Sometimes struggles with soft surfaces but overall great for the price point.

Anonymous

Mar 20, 2026

Rating: 3/5

Sensitive to surface type

Works well on flat walls but gives erratic readings on fabrics or angled surfaces. You need to account for this in your code.

Anonymous

Mar 01, 2026

Rating: 5/5

Fast delivery and works

Plug and play with standard libraries. Arrived quickly and was well packaged. No issues during setup.

Anonymous

Feb 25, 2026

Rating: 5/5

Essential for obstacle avoidance

Used it on my RC car build. Reaction time is fast enough to stop before hitting walls. Very satisfied with performance.

Anonymous

Jan 27, 2026

Rating: 5/5

Perfect for my robot project

Works flawlessly with Arduino Uno. The distance readings are consistent and the library support is excellent. Highly recommend for beginners.

5 FAQ

Q: Can I use this with 3.3V logic boards?

A: While VCC should be 5V, the echo output is 5V. You may need a voltage divider for the Echo pin if connecting to a 3.3V microcontroller.

Q: What library do you recommend?

A: The standard NewPing library works best for this module as it handles timing and multiple sensors efficiently.

Q: What is the accuracy?

A: Typically within 3mm under ideal conditions. Accuracy may vary based on surface texture and environmental temperature.

Q: How many pins does it have?

A: It has 4 pins: VCC, Trig, Echo, and GND. Please refer to the datasheet for the correct pinout orientation.

Q: Does it work underwater?

A: No, this is an air ultrasonic sensor. It is not waterproof and sound waves propagate differently in water.

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