Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V DC |
| 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 |
| PCB Dimensions | 45mm x 20mm x 15mm |
| Net Weight | 10g |
| Interface Type | 4 Pin Header (VCC, Trig, Echo, GND) |
Anonymous
Mar 16, 2026
Rating: 3/5
Range varies
It works well for close objects, but I found the 400cm range is optimistic depending on the surface material. Good for the price though.
Anonymous
Mar 05, 2026
Rating: 4/5
Good sensor, minor wiring note
Great accuracy within the specified range. Just note that Raspberry Pi users might need a voltage divider for the echo pin. Otherwise, solid module.
Anonymous
Feb 05, 2026
Rating: 5/5
Great value
Bought three for a school project. All three worked out of the box. Documentation was clear and easy to follow.
Anonymous
Jan 29, 2026
Rating: 5/5
Perfect for robotics
Works flawlessly with my Arduino Uno project. The reverse polarity protection saved me when I wired it backwards initially. Highly recommend for beginners.
Anonymous
Jan 16, 2026
Rating: 5/5
Reliable measurement
I've tested this against a more expensive sensor and the readings are consistent. The build quality is sturdy enough for indoor prototypes.
Q: Can I use this outdoors?
A: It is designed for indoor use. Wind and temperature changes may affect accuracy outdoors.
Q: What is the power consumption?
A: The operating current is approximately 15mA during active measurement.
Q: Is this 3.3V logic compatible?
A: The module operates at 5V. For 3.3V systems like Raspberry Pi, a voltage divider is recommended for the Echo pin.
Q: Does it come with a library?
A: No, but it is compatible with standard Arduino Ultrasonic libraries available online.
Q: Can I connect multiple sensors?
A: Yes, you can connect multiple modules using different trigger and echo pins on your microcontroller.
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