SRF04 Ultrasonic Sensor
The SRF04 Ultra Sonic Ranger Module is a high quality ultra sonic range finder for measuring distances between 3cm and 3m.
The SRF04 Ultra Sonic Ranger Module is a high quality ultra sonic range finder, which can easily be connected to many microcontroller's to measure/detect the presence of obstacles.
Using a 5V supply and drawing from 30mA typical. to 50mA max.
The SRF04 can be connected directly to many micros without the need for a separate power supply.
- Voltage - 5v only required
- Current - 30mA Typical. 50mA Max.
- Frequency - 40KHz
- Max Range - 3 m
- Min Range - 3 cm
- Sensitivity - Detect 3cm diameter broom handle at > 2 m
- Input Trigger - 10uS Min. TTL level pulse
- Echo Pulse - Positive TTL level signal, width proportional to range
- Small Size - 43mm x 20mm x 17mm height