A
Anonymous
Apr 03, 2026
Rating: 4/5
Good value
Works well but UART mode takes some time to configure. Overall satisfied.
Description
Ultrasonic Module US-100 Distance Sensor, Electronic Ultrasonic Transducer DC2.4-5.5V
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 2.4V - 5.5V |
| Operating Current | < 2mA |
| Operating Frequency | 40Hz |
| Measuring Range | 2cm - 450cm |
| Measuring Angle | 15 degrees |
| Interface Mode | UART / IO Trigger |
| PCB Dimensions | 45mm x 20mm |
| Net Weight | 8 grams |
| Operating Temperature | -15°C to +70°C |
| Package Contents | 1 x US-100 Sensor Module |
5 reviews
A
Anonymous
Mar 26, 2026
Rating: 5/5
Perfect for robotics
Used this for my line follower robot. Detection is fast and reliable.
A
Anonymous
Mar 16, 2026
Rating: 5/5
Bulk order success
Bought 20 units for our workshop. All arrived functional and well packaged.
A
Anonymous
Jan 31, 2026
Rating: 5/5
Excellent accuracy
This sensor is much more stable than the HC-SR04. The temperature compensation really helps.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Low voltage operation
Happy that it works on 3.3V logic without level shifters. Saves space on PCB.
5 FAQ
Q: What is the minimum detection distance?
A: The minimum measurable distance is approximately 2 centimeters.
Q: Can I use this outdoors?
A: It can be used outdoors but wind and extreme temperatures may affect accuracy.
Q: Is this compatible with Raspberry Pi?
A: Yes, it supports 3.3V logic which is compatible with Raspberry Pi GPIO.
Q: Does it come with jumper wires?
A: No, the package includes only the sensor module. Wires are sold separately.
Q: How do I switch between UART and IO mode?
A: You can switch modes by configuring the mode jumpers on the back of the PCB.
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