Ultrasonics Sensor Module |
HC-SR04 |
SPECIFICATIONS
| Model | HC-SR04 |
| Electrical Parameters | Value |
| Operating Voltage | 3.3Vdc ~ 5Vdc |
| Quiescent Current | <2mA |
| Operating Current | 15mA |
| Operating Frequency | 40KHz |
| Operating Range | 2cm ~ 400cm ( 1in ~ 13ft) |
| Sensitivity | -65dB min |
| Sound Pressure | 112dB |
| Effective Angle | 15° |
| Connector | 4-pins header with 2.54mm pitch |
| Dimension | 45mm x 20mm x 15mm |
| Weight | 9g |
Microcontroller Interfacing
| VCC | 3.3v ~ 5V |
| TRIG | Triggering Input Pin. 10uS TTL Pulses |
| ECHO | TTL Logic Output Pin. Proportional to distance |
| GND | Ground Pin |
