A
Anonymous
Apr 01, 2026
Rating: 5/5
Better than HC-SR04
The UART mode is much more reliable for my setup.
Description
Tmall 14-Year Established Store Risym Weixin High-Quality Best-Seller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Brand | Risym |
| Model Number | US-100 |
| Operating Voltage | DC 3V to 5.5V |
| Measurement Range | 2cm to 450cm |
| Interface Type | UART and PWM Dual Mode |
| Measurement Accuracy | 3mm |
| Operating Temperature | -20°C to +70°C |
| Product Dimensions | 45mm x 20mm x 15mm |
| Item Weight | 10 Grams |
| Package Contents | 1 Module and 5 Pin Headers |
5 reviews
A
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for Robotics
Integrated easily with my Arduino project. Temperature compensation works well.
A
Anonymous
Mar 11, 2026
Rating: 4/5
Good Sensor
Accurate readings. Wish the pins were pre-soldered.
A
Anonymous
Mar 02, 2026
Rating: 5/5
Reliable Module
Used in multiple student projects. Very durable.
A
Anonymous
Feb 10, 2026
Rating: 4/5
Great Value
Works as advertised. Documentation could be more detailed.
5 FAQ
Q: What library supports this?
A: Many standard ultrasonic libraries are compatible.
Q: How to switch modes?
A: Use the jumpers on the PCB to select UART or PWM.
Q: Is it waterproof?
A: No this is an electronic component for indoor use.
Q: Can it measure water level?
A: It measures distance in air not liquid immersion.
Q: Does it work with 3.3V logic?
A: Yes it operates safely between 3V and 5.5V.
