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 Signal | 10uS TTL pulse |
| Echo Output Signal | TTL PWM signal |
| Dimensions | 45mm x 20mm x 15mm |
| Interface Type | 4-Pin Header (VCC, Trig, Echo, GND) |
| Compatibility | Arduino, Raspberry Pi, STM32, ESP32 |
Anonymous
Mar 17, 2026
Rating: 4/5
Reliable distance check
Consistent readings within indoor environments. Outdoor wind affects it slightly, but that is expected for ultrasonic technology.
Anonymous
Mar 17, 2026
Rating: 5/5
Great for learning electronics
Used this for my university prototype. Easy to wire and understand the timing pulses. Delivery was fast too.
Anonymous
Mar 06, 2026
Rating: 5/5
Bulk buy success
Bought 10 units for our club workshop. All arrived working and calibrated well. Consistent performance across all modules.
Anonymous
Feb 25, 2026
Rating: 4/5
Good value for money
Solid sensor for the price. Note that it struggles slightly with soft surfaces like cloth, but works great on hard walls.
Anonymous
Jan 25, 2026
Rating: 5/5
Perfect for Arduino projects
Works flawlessly with the standard NewPing library. Accurate enough for my obstacle avoidance robot car. Wiring was straightforward.
Q: Is there a library available for ESP32?
A: Yes, most Arduino ultrasonic libraries are compatible with ESP32 boards using the Arduino IDE.
Q: Can I use this with 3.3V logic boards?
A: Yes, but a voltage divider is recommended for the Echo pin to protect 3.3V boards from the 5V output signal.
Q: What is the accuracy of the measurement?
A: Typically within 3mm under ideal conditions. Accuracy may vary based on surface texture and environmental factors.
Q: Does this module come with jumper wires?
A: No, this module is sold separately. Please purchase dupont wires separately if you need connection cables.
Q: Can I use multiple sensors together?
A: Yes, but you must trigger them sequentially to avoid cross-talk interference between the ultrasonic waves.
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