Description
BUY US1M https://www.utsource.net/itm/p/12404089.html
| Parameter |
Description |
| Part Number |
US1M |
| Type |
Ultrasonic Sensor |
| Operating Voltage |
5V DC |
| Quiescent Current |
<2mA |
| Working Current |
15mA |
| Trigger Input Signal |
10渭s TTL pulse |
| Echo Output Signal |
TTL level pulse width output |
| Maximum Detection Distance |
450cm |
| Minimum Detection Distance |
2cm |
| Beam Angle |
15掳 |
| Measurement Accuracy |
卤1cm or 卤1% of distance |
| Operating Frequency |
40kHz |
| Operating Temperature |
-10掳C to +70掳C |
| Storage Temperature |
-20掳C to +80掳C |
| Dimensions |
45mm x 20mm x 15mm (LxWxH) |
| Weight |
10g |
Instructions for Use
- Power Supply: Connect the VCC pin to a 5V DC power supply and the GND pin to ground.
- Trigger Pulse: Send a 10渭s high-level pulse to the TRIG pin to start the ranging.
- Echo Signal: The module will automatically send out an ultrasonic signal and return a high-level pulse on the ECHO pin. The duration of this high-level pulse is proportional to the distance to the object.
- Distance Calculation: The distance can be calculated using the formula:
[
text{Distance (cm)} = frac{text{Pulse Width (渭s)}}
]
Alternatively, you can use:
[
text{Distance (inches)} = frac{text{Pulse Width (渭s)}}
]
- Non-Blocking Operation: Ensure that the sensor is not blocked by any objects directly in front of it during operation.
- Mounting: Mount the sensor in a stable position with the ultrasonic transducer facing the direction of measurement.
- Multiple Sensors: If using multiple sensors, ensure they are at least 30cm apart to avoid interference.
- Software Debouncing: Implement software debouncing to filter out any noise or false triggers.
(For reference only)
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