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SRF04 Ultrasonic Sensor

Product Code: SRF04
Excl. VAT: £14.30 Incl. VAT: £17.16
You will earn 14 Robo Points for buying this product

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

Product Attachments

View FileSRF04 Technical Documentation    Size: (129.36 KB)
View FileUltrasonic Rangers FAQ    Size: (100.83 KB)

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Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

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SRF04 Ultrasonic Sensor