Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 5V |
| Operating Current | 15mA |
| Operating Frequency | 40kHz |
| Measuring Range | 2cm to 400cm |
| Measuring Angle | 15 degrees |
| Trigger Input | 10uS TTL pulse |
| Echo Output | TTL level signal |
| Dimensions | 45 x 20 x 15 mm |
| Weight | 10 grams |
| Interface | 4-pin Header |
Anonymous
Apr 04, 2026
Rating: 5/5
Perfect for Arduino Robotics
Works exactly as expected. Easy to wire and plenty of libraries available. Measured distances accurately in my obstacle avoidance robot.
Anonymous
Apr 01, 2026
Rating: 5/5
Best value ultrasonic sensor
Can't beat the price for this quality. Used it for a parking sensor project and it was responsive enough.
Anonymous
Mar 29, 2026
Rating: 4/5
Good sensor, mind the voltage
Great module overall. Just be careful if connecting to 3.3V logic boards without a level shifter. Otherwise, solid performance.
Anonymous
Feb 09, 2026
Rating: 3/5
One defective unit
Ordered a pack of two. One worked great, the other didn't echo any signal. Seller replaced it quickly though.
Anonymous
Jan 27, 2026
Rating: 5/5
Reliable Distance Measurement
I bought five of these for a project. All of them worked out of the box. Consistent readings within the specified range.
Q: Can this be used outdoors?
A: It can be used outdoors, but wind and temperature may affect the speed of sound and readings.
Q: How many pins does this module have?
A: It has 4 pins: VCC, Trigger, Echo, and GND.
Q: What is the accuracy of this sensor?
A: Typically within 3mm under ideal conditions, but surface material affects accuracy.
Q: Is there a library available for Arduino?
A: Yes, there are many open-source libraries available on the Arduino Library Manager.
Q: Can I use this with a 3.3V microcontroller?
A: Yes, but we recommend using a voltage divider or level shifter for the Echo pin to protect your board.
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