Anonymous
Apr 02, 2026
Rating: 4/5
Works well but needs calibration
Great sensor overall. Had to tweak the code slightly for consistent readings at close range. Cable is long enough for most projects.
Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | JSN-SR04T |
| Operating Voltage | DC 5V |
| Measuring Range | 2cm to 450cm |
| Accuracy | ±3mm |
| Interface Protocol | UART / TTL |
| Waterproof Grade | IP67 |
| Operating Temperature | -20°C to 70°C |
| Transducer Beam Angle | ≤15 Degrees |
| Extension Cable Length | 2.5 Meters |
| Package Weight | 45 Grams |
Anonymous
Apr 02, 2026
Rating: 4/5
Works well but needs calibration
Great sensor overall. Had to tweak the code slightly for consistent readings at close range. Cable is long enough for most projects.
Anonymous
Apr 01, 2026
Rating: 5/5
Perfect for outdoor rover
Used this for a garden monitoring robot. The waterproofing held up during light rain. Zero blind zone is accurate as advertised.
Anonymous
Mar 08, 2026
Rating: 5/5
Excellent build quality
The sealed transducer is robust. Using it for tank level measurement in a non-corrosive fluid. Very satisfied with the purchase.
Anonymous
Feb 20, 2026
Rating: 3/5
Good but sensitive to noise
Works as expected but noticed some jitter when motors were running at full speed. Shielding helped. Waterproofing is solid.
Anonymous
Feb 17, 2026
Rating: 5/5
Reliable distance data
Compared to the standard SR04, this one is much better for wet environments. Dual transducer design reduces interference.
Q: What library do you recommend for Arduino?
A: The standard NewPing library works well with this module.
Q: Does it come with mounting hardware?
A: No, mounting brackets are sold separately. The cable has a connector ready for breadboards.
Q: What is the actual blind zone?
A: It starts measuring accurately from about 2cm, effectively zero blind zone compared to standard models.
Q: Is this compatible with 3.3V logic boards?
A: Yes, but we recommend a logic level converter for best stability.
Q: Can this be submerged completely?
A: The transducer is waterproof, but the electronics box should not be submerged.