Attributes

Brand	-
Category	Root / Electronic Components / Maker DIY
Origin	-
Working Voltage	DC 5V
Static Current	< 2mA
Working 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	8g
Interface	4 Pin Header

5 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Standard HC-SR04 quality

Exactly what I expected. Good build quality on the PCB.

Anonymous

Mar 09, 2026

Rating: 3/5

Needed extra resistors

Works but needed voltage divider for 3.3V logic. Wish that was clearer in description.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for Arduino Robots

Works flawlessly with my obstacle avoidance robot. Range is accurate up to 3 meters.

Anonymous

Feb 27, 2026

Rating: 4/5

Good value pack

Bought five for a project. One was slightly off calibration but overall great for the price.

Anonymous

Feb 16, 2026

Rating: 5/5

Reliable Sensor

Used this for parking sensor project. Response time is quick. Easy to wire.

5 FAQ

Q: Is there a library for ESP32?

A: Yes, many ultrasonic libraries support ESP32 out of the box.

Q: Can this run on 3.3V logic?

A: The module requires 5V power, but echo pin may need divider for 3.3V boards.

Q: What is the minimum detection distance?

A: The minimum measurable distance is approximately 2cm.

Q: Does it work outdoors?

A: It can be affected by wind and sunlight. Best used indoors or shielded.

Q: How many pins does it have?

A: Standard 4 pins: VCC, Trigger, Echo, and GND.

Explore your interests

Universal Refrigerator Door Seal Strip - Magnetic Gasket for Commercial Freezers and Cold Storage Units

$19.80

Beikecom ESP32-S3 Core Board (N8R2/N16R8) with Bluetooth/WiFi Module, 44-Pin Xiaozhi Robot

$29.20

Platinum Resistance Temperature Detector Module PT100/PT1000 RTD Sensor with Host Software

$39.90

Rain Drop Sensor Module Rain Detection Weather Module Water Level Display Module

$4.03

Compas Clock Movement Quartz Clock Core Sweep Second Wall Clock Core Sweep Second Cross-Stitch DIY Home Clock Accessories

$9.80

Handheld Wire Twister, Semi-Automatic Wire Twisting Machine, Manual Stranding Tool, Electric Wire Twister for Multi-Strand Wires

$2,600.00

STM32 Beginner Kit Minimum System Board Electronic Breadboard Same as University Science Association Models

$56.60

SOP8 Chip SMD Component Soldering Practice Board Skill Training Discrete Parts PCB DIY Training 0805 0603

$10.42

Fangcunjing Miniature Simulated Landmark Road Sign Model Sandbox Road Landscape Material DIY Handwork HO Scale

$5.28

(Loose Parts) High-Density Multi-Pin SMD Chip Welding SMT Running Light Practice Board, High-Difficulty PCB Kit

$32.00

Submarine All-Copper Thickened Angle Valve, Universal Cold/Hot Water for Toilets and Water Heaters, 1/2-Inch Triangle Valve Switch

$32.00

300-Piece SMD Component Soldering Test Kit, High-Strength SMT Practice Board for Skills Competition, PCB Process Training

$10.80

TDS Sensor Module Analog Signal Dissolved Solids Water Quality Detector Compatible with 51/STM32 Modules

$44.00

Nordic Transparent Crystal Glass Ice Cube Candle Holder, European Home Dining Table Ornament, Romantic Candlelight Dinner Decoration

$7.92

N52 Strong Magnet High Strength Neodymium Iron Boron Rectangular Super Strong Magnet Rare Earth Patch Suction Stone Permanent Steel Magnet

$5.20

Raspberry Pi 5 Metal Case with PCIe and PoE Support

$34.00

Lead-Free Solder Wire with Built-in Rosin for Stainless Steel Soldering Iron, Low-Temperature High-Strength Welding, 63% High-Purity Tin Wire 99

$21.00

Soil Temperature and Humidity Sensor 485 High Precision Agricultural Greenhouse Soil Moisture Transmitter 4-20mA Conductivity

$1,448.00

Cinderella Ironwork Hollow Pumpkin Princess Carriage Sightseeing Scenic Area Parade Reception Photo Wedding Scenic Carriage

$16,999.00

300-Piece SMD Component Soldering Test Kit High-Strength SMT Practice Board Skill Training PCB Process Exercise

$32.16

JOMOO Universal Explosion-Proof Shower Hose, Water Outlet Pipe for Shower Heater, Extended Spray Head, Bathroom Accessories

$13.70

Anti-Collision Baseball Cap Safety Helmet 3C Certified National Standard Labor Work Hat Workshop Impact Protection Sun Visor Custom Printing

$15.10

Waveshare MCP23017 I/O Expansion Module Compatible with Raspberry Pi/Micro:bit/STM32/Arduino

$34.00

Voice Playback Module MP3 Prompter Trigger Once Play Once Announcer Compatible with Arduino

$29.00

TCS34725 Color Recognition Sensor, RGB Development Board Color Sensing Module, IIC Communication Color

$22.36

2.0 Solder Wire 3.0 Solder Wire 4.0 Rosin Core Hollow 5.0 Large Diameter Solder Line 6.0 Solid Core Tin Wire

$45.65

MQ-7 Carbon Monoxide Sensor Module for CO Combustible Gas Detection and Leak Alarm

$7.64

Electrochemical Formaldehyde Sensor Module ZE08-CH2O Formaldehyde Gas Detection Module UART

$36.80

PTFE Thread Seal Tape, 30m/20m Large Roll, High-Density Thickened Oil-Free Sealing Tape

$5.90

Kunlun Coast Industrial Wide-Temperature Transmitter Split Type Temperature and Humidity Sensor JWSK-6

$100.00

Cable Winding and Tying Machine Semi-Auto for Data Network Hose

$4,560.00

NVIDIA JETSON NANO B01 Development Board 4GB Core ORIN Kit AI Artificial Intelligence ROS Motherboard

$899.00

Wildfire Shengteng Mini FPGA Development Board Xilinx Artix-7 XC7A35T/100T/200T A7 Board

$665.00

Raspberry Pi Development Board Kit Mainboard Programming Expansion Board 20

$98.00

AI Camera IMX500 Vision Sensor 12MP

$540.00

Xige X19 Computer Chair Seat Cushion Cover Office Chair Mesh Seat Cushion Cover

$41.60

PFTN.HT-29 Long March 3B Rocket Launch of Apstar 6 Satellite Commemorative Cover

$2.80

Raspberry Pi CM4 Cooling Fan 3007 Low Noise

$46.70

Desktop Soldering Fixture for Mobile Phone Repair - Electronic Holding Stand with Soldering Iron Support and Auxiliary Tools

$11.64

Timor Desktop Calendar Flip Desk Calendar Creative Minimalist Modern Living Room Decor Nordic Office Stationery Ins Style

$42.30