SRF235 - pencil beam range finder

The SRF235 is a small sonar with an industrial air coupled transducer, giving a very narrow 15° beam width and fast cycling - up to 100Hz update rate.

Working at 235KHz, the SRF235 can be used simultaneously with standard 40KHz rangers without interference.

Power - 5v, 25mA typical.
Frequency - 235KHz
Range - 12cm -1.1m.
Beam Width - Narrow Beam - Just 15°
Communication - Standard I2C Bus.
Timing - Fully timed echo, freeing host controller of task.
Units - Range reported in uS, cm or inches.
Size - 34mm x 20mm x 19mm height.

£88.34 £73.62
  • Buy 5 for £83.35 £69.46 each and save 6%
  • Buy 25 for £78.62 £65.52 each and save 11%
  • Buy 100 for £74.18 £61.82 each and save 16%

Full Technical Data and the FAQ

I2C bus tutor - general I2C guide
 - using an I2C interface and LCD03/LCD05
ATMEGA32 - reading the result and displaying on a LCD03/LCD05
BS2 stamp - I2C communication, writes to the debug console
PIC18F4410 - reading the result and displaying on a LCD03/LCD05
PIC24FJ16GA002 - reading the result and displaying on a LCD03/LCD05
Picaxe18x - I2C communication exampe
PicBasic PRO -  uses the PIC16F877
Raspberry Pi - using I2C communication

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