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- About EST
 |
| Quantity: | |
|---|---|
Futures:
Compact and light weight
High sensitivity and sound pressure level
High reliability
Excellent temperature and humidity durability
Low power consumption Low cost
Waterproof and sealed
Application:
·Distance meter
·Automatic doors
·Range finders
·Burglar alarms
·Remote control devices
·mini drone
| Model | EHC-SR04 |
| Dimension | 45*20*15mm |
| Working Voltage | DC 5V |
| Working Current | 15mA |
| Working Frequency | 40Hz |
| Max Range | 4m |
| Min Range | 2cm |
| Measuring Angle | 15 degree |
| Trigger Input Signal | 10uS TTL pulse |
| Echo Output Signal | Input TTL lever signal and the range in proportion |
