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SRF01 - Worlds Smallest Single Transducer Ultrasonic Ranger
CHF 27.10
CHF 18.96
  Valid through :
This product will be retired from our catalogue once it goes out of stock. It is only available in the quantity listed. 

Stock: 3

World beating performance - the SRF01 employs Robot-Electronics' 2nd generation AutoTune technology which allows ranging all the way down to zero on a single transducer sonar.

The SRF01 is a single transducer ultrasonic rangefinder in a very small footprint PCB. Connection is to a single pin Serial interface. The serial interface is a standard TTL level UART format of 1 start, 1 stop and no parity bits, and may be connected directly to many controllers, such as the Basic Stamps or the PICAXE. Baud rate at power-up is always 9600, there is a command to change this to 19200 or 38400 baud if preferred. Up to 16 SRF01's may be connected together on a single bus. Like all Robot-Electronics rangefinders, the SRF01 can measure in Cm or Inches.


  • Range: 18cm to 6m (Industrial spec', no calibration required)
  • Range: 0cm to 6m (Hobby spec' after auto-calibration)
  • Power: 3.3 - 12VDC
  • Current: 25mA (ranging), 11mA (standby), 55uA (sleep)
  • Frequency: 40KHz
  • Weight: 2.7g
  • Units: Ranges reported in inches or cm
  • Connection: One Pin Serial Bus @ 9600 baud
  • Up to 16 SRF01's connected to a single pin on your controller
  • Includes Mounting Grommet

Note: Cable and mounting bracket are not included, please see below for matching cables and a mounting bracket.


This product was added to our catalog on Tuesday 29 October, 2013.
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